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Discussion Starter · #1 ·
I have a th350 that shifts slow. I manually shift the trans at 6500 and it shifts at 7100 during the 1-2 shift. It doesnt matter if i have the modulator hooked up or not, it still shifts the same. The trans doesnt shift as hard as i think it should. I have been running the car like this for years. Any thoughts?
 

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If this is a problem for you, maybe you could try a aftermarket vavle body or a good Transgo competition shift kit. If has a good valve body, give it a freshen up and make sure the 2nd and 3rd gear accumatator springs have been removed. Burt
 

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Discussion Starter · #5 ·
Yes, I have tried to shift lower and it usually still shifts at 7100. Once in a blue moon it might shift at 6800. It's supposed to have all B & M stuff in it when it was rebuilt. Every once and awhile for no reason the car will also pick up .10 or it will lose .10.
 
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