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Old 12-31-2023, 09:52 AM   #71
Captain J
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Join Date: Nov 2017
Location: H, Q
Posts: 180
Re: Shifting at high RPM

Quote:
Originally Posted by geezer#99 View Post
Possibly it’s the detent switch that’s the culprit.
Says that in my motors manual.
Here’s a thread I found that might help.


http://67-72chevytrucks.com/vboard/s....php?p=7037666
I looked at your thread, but it’s beyond my expertise.

I asked one garage that says he is expert in transportations he said “ you need to replace your trans cuz your clutches are gone!!!!, but I’ve a used one to sell?”
How stupid he thinks!
If clutches are gone, trans will not shift, or it will slip.

So I’m searching for a solution.
Thanks for the info
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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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