1957 Thunderbird convertible with a 5.0 L Coyote V8 14March 1, 2022March 1, 2022 6R80 six-speed automatic transmission with a Coyote V8 on a 1957 Thunderbird convertible built by V8 Speed & Resto Leave a ReplyCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.