{"id":115989,"date":"2024-05-27T14:34:55","date_gmt":"2024-05-27T19:34:55","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=115989"},"modified":"2024-05-27T14:47:53","modified_gmt":"2024-05-27T19:47:53","slug":"sdpc-raceshops-440-ci-ltx-v8-makes-830-hp-on-the-dyno","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=115989","title":{"rendered":"SDPC Raceshop’s 440 ci LTx V8 Makes 830+ hp on the Dyno"},"content":{"rendered":"

\"SDPC<\/a><\/p>\n

SDPC Raceshop<\/a> built a naturally aspirated 440 ci LTx V8 with a 15:1 compression ratio for testing. The team started with a Gen 5 LSx aluminum block and installed cast iron sleeves bored to 4.125 inches, 4.125-inch crankshaft, Wiseco pistons with custom domes, Molnar forged steel rods, and a custom camshaft. On top SDPC Raceshop added custom ported COPO LT1 heads, upgraded LT4 titanium intake valves, SDPC dual-spring kit, and CHE Precision trunnion kit. They also installed a Petersen R4 external oil pump and Meziere electric water pump. On the dyno the combo made 837 hp at 8,700 rpm and 641 lb-ft of torque at 6,100 rpm. View the engine’s full specs at MotorTrend<\/a>. <\/p>\n