{"id":127805,"date":"2025-02-14T15:23:31","date_gmt":"2025-02-14T21:23:31","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=127805"},"modified":"2025-02-14T15:23:31","modified_gmt":"2025-02-14T21:23:31","slug":"1987-chevy-r20-with-a-6-6-l-duramax-v8-and-3500hd-chassis","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=127805","title":{"rendered":"1987 Chevy R20 with a 6.6 L Duramax V8 and 3500HD Chassis"},"content":{"rendered":"<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127812\" rel=\"attachment wp-att-127812\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127812\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127812\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?fit=1440%2C967&amp;ssl=1\" data-orig-size=\"1440,967\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 01\" data-image-description=\"&lt;p&gt;1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?fit=1200%2C806&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?resize=600%2C403&#038;ssl=1\" alt=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis\" width=\"600\" height=\"403\" class=\"alignnone size-medium wp-image-127812\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?resize=600%2C403&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?resize=1200%2C806&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?resize=768%2C516&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/dmaxstore.com\/\">Dmax Store<\/a> received a 1987 Chevy R20 rolling shell with the goal of building a square body with modern diesel power and offroad technology. The result of their hard work is a capable truck called &#8220;<a href=\"https:\/\/dmaxstore.com\/blogs\/gallery\/dmax-squared\">Dmax Squared<\/a>&#8220;.<\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127822\" rel=\"attachment wp-att-127822\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127822\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127822\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?fit=1350%2C900&amp;ssl=1\" data-orig-size=\"1350,900\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 11\" data-image-description=\"&lt;p&gt;1987 Chevy R20 rolling shell&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?fit=1200%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?resize=600%2C400&#038;ssl=1\" alt=\"1987 Chevy R20 rolling shell\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127822\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?resize=1200%2C800&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-11.jpg?w=1350&amp;ssl=1 1350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127823\" rel=\"attachment wp-att-127823\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127823\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127823\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?fit=999%2C666&amp;ssl=1\" data-orig-size=\"999,666\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 12\" data-image-description=\"&lt;p&gt;1987 Chevy R20 being rebuilt by Dmax Store&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?fit=999%2C666&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?resize=600%2C400&#038;ssl=1\" alt=\"1987 Chevy R20 being rebuilt by Dmax Store\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127823\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-12.jpg?w=999&amp;ssl=1 999w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a> <\/p>\n<p><iframe loading=\"lazy\" width=\"600\" height=\"338\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/lxPTHNvSxok?si=9yZA5l6ZVYtM7Bie\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>In the engine bay sits a turbodiesel 6.6 L Duramax LBZ V8 sourced from a 2006 Silverado 3500HD. The engine features a Garrett Stage 1 turbocharger, Max-Flow manifolds, Max-Flow downpipe, Max-Flow upgraded water pump, and Dmax Store&#8217;s high capacity oil pan.<\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127815\" rel=\"attachment wp-att-127815\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127815\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127815\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?fit=1440%2C810&amp;ssl=1\" data-orig-size=\"1440,810\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 04\" data-image-description=\"&lt;p&gt;turbodiesel 6.6L Duramax V8 in the engine bay of Chevy R20&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?fit=1200%2C675&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?resize=600%2C338&#038;ssl=1\" alt=\"turbodiesel 6.6L Duramax V8 in the engine bay of Chevy R20\" width=\"600\" height=\"338\" class=\"alignnone size-medium wp-image-127815\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?resize=600%2C338&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?resize=1200%2C675&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-04.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127816\" rel=\"attachment wp-att-127816\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127816\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127816\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?fit=1440%2C810&amp;ssl=1\" data-orig-size=\"1440,810\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 05\" data-image-description=\"&lt;p&gt;turbodiesel 6.6L Duramax V8 in the engine bay of Chevy R20&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?fit=1200%2C675&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?resize=600%2C338&#038;ssl=1\" alt=\"turbodiesel 6.6L Duramax V8 in the engine bay of Chevy R20\" width=\"600\" height=\"338\" class=\"alignnone size-medium wp-image-127816\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?resize=600%2C338&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?resize=1200%2C675&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-05.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127820\" rel=\"attachment wp-att-127820\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127820\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127820\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?fit=1364%2C908&amp;ssl=1\" data-orig-size=\"1364,908\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 09\" data-image-description=\"&lt;p&gt;6.6 L Duramax V8 going into a custom square body truck&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?fit=1200%2C799&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?resize=600%2C399&#038;ssl=1\" alt=\"6.6 L Duramax V8 going into a custom square body truck\" width=\"600\" height=\"399\" class=\"alignnone size-medium wp-image-127820\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?resize=600%2C399&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?resize=1200%2C799&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-09.jpg?w=1364&amp;ssl=1 1364w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127818\" rel=\"attachment wp-att-127818\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127818\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127818\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?fit=1363%2C907&amp;ssl=1\" data-orig-size=\"1363,907\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 07\" data-image-description=\"&lt;p&gt;Garrett turbocharger on a Duramax V8&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?fit=1200%2C799&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?resize=600%2C399&#038;ssl=1\" alt=\"Garrett turbocharger on a Duramax V8\" width=\"600\" height=\"399\" class=\"alignnone size-medium wp-image-127818\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?resize=600%2C399&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?resize=1200%2C799&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-07.jpg?w=1363&amp;ssl=1 1363w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Behind the diesel V8 is a Dmax Store Stage 3 Allison 1000 six-speed automatic transmission and NP263XHD transfer case. The rest of the drivetrain consists of a Dana Super 60 front axle and Sterling 10.5-inch rear axle from a 2006 F-350 Superduty. Both feature 4.30 ratios and Detroit locking differentials.<\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127830\" rel=\"attachment wp-att-127830\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127830\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127830\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?fit=1440%2C960&amp;ssl=1\" data-orig-size=\"1440,960\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 19\" data-image-description=\"&lt;p&gt;Dana Super 60 front axle and 4-link front suspension&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?fit=1200%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?resize=600%2C400&#038;ssl=1\" alt=\"Dana Super 60 front axle and 4-link front suspension\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127830\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?resize=1200%2C800&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-19.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127821\" rel=\"attachment wp-att-127821\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127821\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127821\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?fit=1152%2C648&amp;ssl=1\" data-orig-size=\"1152,648\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 10\" data-image-description=\"&lt;p&gt;1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?fit=1152%2C648&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?resize=600%2C338&#038;ssl=1\" alt=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis\" width=\"600\" height=\"338\" class=\"alignnone size-medium wp-image-127821\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?resize=600%2C338&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-10.jpg?w=1152&amp;ssl=1 1152w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>The powertrain is supported on a shortened 2007 GM 3500HD chassis. The 4-link front suspension uses Superduty springs, Fox Elite 2.5 shocks, Kryptonite radius arms, and Hellwig sway bar. The rear suspension uses custom Deaver leaf-springs with outboard Fox Elite 2.5 shocks on custom airbags.<\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127829\" rel=\"attachment wp-att-127829\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127829\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127829\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?fit=1360%2C906&amp;ssl=1\" data-orig-size=\"1360,906\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 18\" data-image-description=\"&lt;p&gt;Dana Super 60 front axle and 4-link front suspension&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?fit=1200%2C799&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?resize=600%2C400&#038;ssl=1\" alt=\"Dana Super 60 front axle and 4-link front suspension\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127829\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?resize=1200%2C799&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-18.jpg?w=1360&amp;ssl=1 1360w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127832\" rel=\"attachment wp-att-127832\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127832\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127832\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-21.jpg?fit=723%2C484&amp;ssl=1\" data-orig-size=\"723,484\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 21\" data-image-description=\"&lt;p&gt;Dana Super 60 front axle and 4-link front suspension&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-21.jpg?fit=723%2C484&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-21.jpg?resize=600%2C402&#038;ssl=1\" alt=\"Dana Super 60 front axle and 4-link front suspension\" width=\"600\" height=\"402\" class=\"alignnone size-medium wp-image-127832\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-21.jpg?resize=600%2C402&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-21.jpg?w=723&amp;ssl=1 723w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127834\" rel=\"attachment wp-att-127834\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127834\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127834\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?fit=1082%2C723&amp;ssl=1\" data-orig-size=\"1082,723\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 23\" data-image-description=\"&lt;p&gt;offroad suspension on a 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?fit=1082%2C723&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?resize=600%2C401&#038;ssl=1\" alt=\"offroad suspension on a 3500HD chassis\" width=\"600\" height=\"401\" class=\"alignnone size-medium wp-image-127834\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?resize=600%2C401&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?resize=768%2C513&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-23.jpg?w=1082&amp;ssl=1 1082w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127835\" rel=\"attachment wp-att-127835\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127835\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127835\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?fit=1440%2C960&amp;ssl=1\" data-orig-size=\"1440,960\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 24\" data-image-description=\"&lt;p&gt;offroad suspension on a 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?fit=1200%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?resize=600%2C400&#038;ssl=1\" alt=\"offroad suspension on a 3500HD chassis\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127835\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?resize=1200%2C800&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-24.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Dmax Store installed custom fabricated front and rear bumpers with 12K winches. The truck rides on Detroit Steel 18&#215;9-inch wheels with BFGoodrich KM3 37&#215;13.5-inch tires. The offroad trail is thoroughly illuminated by a Baja Designs XL8 light bar, LP4 pillar lights, and Top Gear Autosport headlights. You can view more photos of the truck on the <a href=\"https:\/\/www.instagram.com\/dmax_squared\">@dmax_squared<\/a> or on the <a href=\"https:\/\/www.facebook.com\/dmaxsquared\">project&#8217;s FB page<\/a>. <\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127828\" rel=\"attachment wp-att-127828\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127828\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127828\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?fit=1440%2C1440&amp;ssl=1\" data-orig-size=\"1440,1440\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 17\" data-image-description=\"&lt;p&gt;1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?fit=1200%2C1200&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17-600x600.jpg?resize=600%2C600&#038;ssl=1\" alt=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis\" width=\"600\" height=\"600\" class=\"alignnone size-medium wp-image-127828\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?resize=1200%2C1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-17.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127826\" rel=\"attachment wp-att-127826\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127826\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127826\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?fit=1440%2C1152&amp;ssl=1\" data-orig-size=\"1440,1152\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 15\" data-image-description=\"&lt;p&gt;1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?fit=1200%2C960&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?resize=600%2C480&#038;ssl=1\" alt=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis\" width=\"600\" height=\"480\" class=\"alignnone size-medium wp-image-127826\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?resize=600%2C480&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?resize=1200%2C960&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?resize=768%2C614&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-15.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127824\" rel=\"attachment wp-att-127824\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127824\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127824\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?fit=1360%2C906&amp;ssl=1\" data-orig-size=\"1360,906\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 13\" data-image-description=\"&lt;p&gt;1987 Chevy R20 driving at night with roof, pillar, and headlights illuminated&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?fit=1200%2C799&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?resize=600%2C400&#038;ssl=1\" alt=\"1987 Chevy R20 driving at night with roof, pillar, and headlights illuminated\" width=\"600\" height=\"400\" class=\"alignnone size-medium wp-image-127824\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?resize=600%2C400&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?resize=1200%2C799&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?resize=930%2C620&amp;ssl=1 930w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-13.jpg?w=1360&amp;ssl=1 1360w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=127825\" rel=\"attachment wp-att-127825\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"127825\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=127825\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?fit=1440%2C810&amp;ssl=1\" data-orig-size=\"1440,810\" data-comments-opened=\"1\" data-image-title=\"1987 Chevy R20 with a 6.6L Duramax V8 and 3500HD chassis 14\" data-image-description=\"&lt;p&gt;1987 Chevy R20 driving at night with roof, pillar, and headlights illuminated&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?fit=1200%2C675&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?resize=600%2C338&#038;ssl=1\" alt=\"1987 Chevy R20 driving at night with roof, pillar, and headlights illuminated\" width=\"600\" height=\"338\" class=\"alignnone size-medium wp-image-127825\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?resize=600%2C338&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?resize=1200%2C675&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-14.jpg?w=1440&amp;ssl=1 1440w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Source: <a href=\"https:\/\/dmaxstore.com\/blogs\/gallery\/dmax-squared\">Dmax Store<\/a> and <a href=\"https:\/\/www.facebook.com\/dmaxsquared\/\">Dmax Store FB page<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dmax Store received a 1987 Chevy R20 rolling shell with the goal of building a square body with modern diesel power and offroad technology. The result of their hard work is a capable truck called &#8220;Dmax Squared&#8220;. In the engine bay sits a turbodiesel 6.6 L Duramax LBZ V8 sourced from a 2006 Silverado 3500HD.&hellip;&nbsp;<a href=\"https:\/\/engineswapdepot.com\/?p=127805\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">1987 Chevy R20 with a 6.6 L Duramax V8 and 3500HD Chassis<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":127812,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1294],"tags":[],"class_list":["post-127805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-r20"],"jetpack-related-posts":[{"id":71130,"url":"https:\/\/engineswapdepot.com\/?p=71130","url_meta":{"origin":127805,"position":0},"title":"1950 Jeepster with a Chevy Big-Block V8","author":"swaptastic","date":"April 29, 2021","format":false,"excerpt":"Divers Street Rods (DSR) built this custom 1950 Jeepster for owner Mike Warn at their company in Sultan, Washington. The Jeepster is powered by a 502 ci Chevy big-block V8 crate motor producing 502 horsepower and 565 lb-ft of torque. The engine features aluminum heads, Holley HP EFI system, Sanderson\u2026","rel":"","context":"In &quot;Jeepster&quot;","block_context":{"text":"Jeepster","link":"https:\/\/engineswapdepot.com\/?cat=1062"},"img":{"alt_text":"1950 Jeepster built by Divers Street Rods with a 502 ci Chevy big-block V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/04\/1950-Jeepster-with-a-502-ci-Chevy-big-block-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/04\/1950-Jeepster-with-a-502-ci-Chevy-big-block-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/04\/1950-Jeepster-with-a-502-ci-Chevy-big-block-V8-01.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/04\/1950-Jeepster-with-a-502-ci-Chevy-big-block-V8-01.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/04\/1950-Jeepster-with-a-502-ci-Chevy-big-block-V8-01.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":149974,"url":"https:\/\/engineswapdepot.com\/?p=149974","url_meta":{"origin":127805,"position":1},"title":"1979 Chevy K3500 with a Duramax V8","author":"swaptastic","date":"June 18, 2026","format":false,"excerpt":"This 1979 Chevrolet K3500 is powered by a 6.6 L Duramax (LBZ) V8 swapped by Dmax Swap and Ken Wolkens at Standalone Harness. It features Exergy oversized injectors, 65 mm turbocharger, and Mishimoto cooling stack. Danville Performance tuned the motor and it made 700 hp (514 kW). Behind the motor\u2026","rel":"","context":"In &quot;K3500&quot;","block_context":{"text":"K3500","link":"https:\/\/engineswapdepot.com\/?cat=1352"},"img":{"alt_text":"front-side view of a 1979 Chevy K3500 truck","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/06\/1979-Chevrolet-K3500-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/06\/1979-Chevrolet-K3500-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/06\/1979-Chevrolet-K3500-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/06\/1979-Chevrolet-K3500-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2026\/06\/1979-Chevrolet-K3500-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":88968,"url":"https:\/\/engineswapdepot.com\/?p=88968","url_meta":{"origin":127805,"position":2},"title":"1970 Datsun 510 with a VG30E V6","author":"swaptastic","date":"August 1, 2022","format":false,"excerpt":"This 1970 Datsun 510 is for sale on Bring a Trailer in San Diego, California. Under the hood sits a 3.0 L VG30E V6 and five-speed manual transmission from a Nissan 200SX SE paired with a R20 rear end. The car rides on lowered suspension and Rota Grid 15-inch wheels\u2026","rel":"","context":"In &quot;510&quot;","block_context":{"text":"510","link":"https:\/\/engineswapdepot.com\/?cat=228"},"img":{"alt_text":"1970 Datsun 510 with a VG30E V6","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2022\/08\/1970-Datsun-510-with-a-VG30E-V6-01.jpg?fit=1024%2C684&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2022\/08\/1970-Datsun-510-with-a-VG30E-V6-01.jpg?fit=1024%2C684&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2022\/08\/1970-Datsun-510-with-a-VG30E-V6-01.jpg?fit=1024%2C684&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2022\/08\/1970-Datsun-510-with-a-VG30E-V6-01.jpg?fit=1024%2C684&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":72738,"url":"https:\/\/engineswapdepot.com\/?p=72738","url_meta":{"origin":127805,"position":3},"title":"1970 Chevy C10 with a 800 hp Compound Turbo Duramax V8","author":"swaptastic","date":"June 4, 2021","format":false,"excerpt":"Boneyard Builds built this 1970 Chevy C10 in nine months at their company in Leeds, Alabama. The truck rides on a Roadster Shop SPEC chassis featuring tubular control arms, adjustable coilovers, parallel 4-link rear suspension, and Baer six-piston calipers with 14-inch rotors. Under the hood sits a Duramax (LML) V8\u2026","rel":"","context":"In &quot;C10&quot;","block_context":{"text":"C10","link":"https:\/\/engineswapdepot.com\/?cat=215"},"img":{"alt_text":"1970 Chevy C10 with a compound turbo Duramax V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/06\/1970-Chevy-C10-with-a-compound-turbo-Duramax-V8-01.jpg?fit=1079%2C1079&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/06\/1970-Chevy-C10-with-a-compound-turbo-Duramax-V8-01.jpg?fit=1079%2C1079&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/06\/1970-Chevy-C10-with-a-compound-turbo-Duramax-V8-01.jpg?fit=1079%2C1079&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/06\/1970-Chevy-C10-with-a-compound-turbo-Duramax-V8-01.jpg?fit=1079%2C1079&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/06\/1970-Chevy-C10-with-a-compound-turbo-Duramax-V8-01.jpg?fit=1079%2C1079&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":111871,"url":"https:\/\/engineswapdepot.com\/?p=111871","url_meta":{"origin":127805,"position":4},"title":"1987 Chevy K10 with a Duramax V8","author":"swaptastic","date":"February 22, 2024","format":false,"excerpt":"Adam Pela built this 1987 Chevrolet K10 into a Prerunner at his company DmaxSwap in Jupiter, Florida. Under the Harwood cowl hood is a 6.6 L Duramax LBZ diesel V8 featuring Mahle pistons, Calibrated Power Stealth 64 turbocharger, Pusher SuperMax Y-Bridge manifold, Exergy Performance Sportsmen injectors, Melling oil pump, and\u2026","rel":"","context":"In &quot;K10&quot;","block_context":{"text":"K10","link":"https:\/\/engineswapdepot.com\/?cat=1038"},"img":{"alt_text":"1987 Chevy truck prerunner with a Duramax V8","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/02\/1987-Chevy-truck-prerunner-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/02\/1987-Chevy-truck-prerunner-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/02\/1987-Chevy-truck-prerunner-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/02\/1987-Chevy-truck-prerunner-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/02\/1987-Chevy-truck-prerunner-with-a-Duramax-V8-01.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":102034,"url":"https:\/\/engineswapdepot.com\/?p=102034","url_meta":{"origin":127805,"position":5},"title":"Tesla Drive Unit Swap Mounts for 1973-1987 Chevy C10 Trucks","author":"swaptastic","date":"June 27, 2023","format":false,"excerpt":"Holley now offers a Tesla subframe mount kit for 1973-1987 Chevy C10 long or short bed trucks. This allows owners to swap a Tesla 12-21 Model S or 15-21 Model X drive unit and subframe into their classic chevy truck. Holley also offers rear cradle coilover brackets lowering the factory\u2026","rel":"","context":"In &quot;C10&quot;","block_context":{"text":"C10","link":"https:\/\/engineswapdepot.com\/?cat=215"},"img":{"alt_text":"3D render of Holley's Tesla Drive Unit Swap Mounts for 1973-1987 Chevy C10 trucks","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/06\/Tesla-Drive-Unit-Swap-Mounts-for-1973-1987-Chevy-C10-trucks-01.jpg?fit=1201%2C632&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/06\/Tesla-Drive-Unit-Swap-Mounts-for-1973-1987-Chevy-C10-trucks-01.jpg?fit=1201%2C632&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/06\/Tesla-Drive-Unit-Swap-Mounts-for-1973-1987-Chevy-C10-trucks-01.jpg?fit=1201%2C632&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/06\/Tesla-Drive-Unit-Swap-Mounts-for-1973-1987-Chevy-C10-trucks-01.jpg?fit=1201%2C632&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/06\/Tesla-Drive-Unit-Swap-Mounts-for-1973-1987-Chevy-C10-trucks-01.jpg?fit=1201%2C632&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/02\/1987-Chevy-R20-with-a-6.6L-Duramax-V8-and-3500HD-chassis-01.jpg?fit=1440%2C967&ssl=1","_links":{"self":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/127805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=127805"}],"version-history":[{"count":8,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/127805\/revisions"}],"predecessor-version":[{"id":127837,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/127805\/revisions\/127837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/media\/127812"}],"wp:attachment":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=127805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=127805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=127805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}