34studepres Posted November 20, 2016 Share Posted November 20, 2016 Wanted. Looking for a mid-30's Buick 3 window Coupe with overdrive or a high speed rear end with it's original factory motor. tom griffith/madison wisconsin 608.212.8774 lincoln1955@msn.com Link to comment Share on other sites More sharing options...
1939_Buick Posted November 20, 2016 Share Posted November 20, 2016 Buick's never had overdrive from the factory. Retro fitting is complicated due to the torque tube drive line. High speed rear end's are uncommon. Some years/series had an option for high speed differential's, but not all. Higher speed diff's/cw&p can be retrofitted to 1930's cars with some engineering work. There are articles on this topic in the www.1937and1938buick.com magazine. Buick changed the transmission - diff parts/design most years. Some individual parts could be used over several years. Its only from 1940 that the differential design stayed the same for several years, allowing easy swaps. You are wanting something that will be hard to impossible to get. Good luck Link to comment Share on other sites More sharing options...
34studepres Posted November 20, 2016 Author Share Posted November 20, 2016 Nothing is impossible. Thanks for the info. 1 Link to comment Share on other sites More sharing options...
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