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Old 01-04-2024, 12:53 PM   #89
Captain J
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Join Date: Nov 2017
Location: H, Q
Posts: 180
Re: Shifting at high RPM

Quote:
Originally Posted by GRADYS Performance View Post
What if anything does the transmission do? What happens when you try to drive it, Forward shifter in D? 2nd? 1st? What happens with shifter in reverse?
All shiftin in R, D, 2ed, 1st are working, truck will move nicely in R or D, 1, 2.
The only issue is shifting from 1st to 2ed.

I’m picking my brain on what happens from before painting the truck and replacing the valve stems, to now. No one worked on the trans, or the manifold, only the valves.
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1972 GMC Sierra C2500, V8-350
1986 GMC Sierra C2500, V8-454
1986 GMC Sierra C2500, V8-LS1
1986 GMC Sierra K2500, V8-350
1987 GMC Sierra R3500, V8-454
1997 GMC Sierra K2500, V8-454
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