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Old 01-24-2021, 11:24 AM
Steve C. Steve C. is online now
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Join Date: Dec 1999
Location: Liberty Hill, Tx. (Austin)
Posts: 10,921
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To the OP.......here is a article that will interest you.

Overdrive Swap / 200-4R Overdrive in place of a Turbo 400

https://www.hotrod.com/articles/ccrp...smission-swap/


As you probably are aware depending on the power/torque level of your situation the 200-4R in stock form can be a hand grenade. That said, many have found and fixed all the weak points in this trans.
And they can and do work fine.
I personally agree with using a nonlockup torque converter for performance applications based on personal experience.
And the obvious, building a strong 200-4R does not come cheap.

https://www.hotrod.com/articles/ccrp...mission-build/


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__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/

Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE

Last edited by Steve C.; 01-24-2021 at 11:30 AM.
 


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