65GS.com - Buick Gran Sport Enthusiasts!
Classifieds => Parts Wanted => Topic started by: GSFREDSBUDDY on June 19, 2021, 02:41:19 PM
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I am going to attempt to change a 65 lark 300 auto to a 3 speed manual trans and will need the necessary linkage and clutch parts. Anything you have would be a start. Let me know what you have.
Thanks in advance !
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Hi,
Hopefully you're looking for a later 3 speed as the original one's that came in 65 were one that had a non-
synchronized 1st gear, sugest getting a 4 speed, factory was a T-10 wide ratio with a 2.54 1st gear vs a GS closed ratio with a 2.20
A M20 Muncie would be a good substitute and also you rear axle ratio you will want to update, as factory Auto is a 2.78 vs 3 and 4 speeds got 3.23.
Good luck with conversion, much more fun with 3 pedals.
Also go to V8BUICK.COM in the u shift em section there is a good information about manual transmission 64/65 cars.
Regards,
Jim
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Oh yes I'm an avid Buick V8 guy. I will be using a 3 speed out of a 66 lark. Def better rear gear as well trans first for sure. Thanks for the info !