73-87 Chevy _ GMC Trucks > Engine/Drivetrain

1981 C10 700R4

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zieg85:
A friend of mine has an original 116K mile 1981 Chevy C10 with a 5.0L and 700R4.  Reverse went out.  Would it better to order one versus having this one rebuilt?  I have heard the earlier 700R4 needed internal upgrades.  Would a transmission shop automatically know this being older 41 year old stuff?  Please advise

Mike81K10:
Personally, if it was my truck and the original transmission, I would have it rebuilt by a reliable place/person.

Shifty:

--- Quote from: Mike81K10 on May 18, 2022, 09:15:54 PM ---Personally, if it was my truck and the original transmission, I would have it rebuilt by a reliable place/person.

--- End quote ---
What Mike said.  ;)

bd:
I agree.  Really, the outcome depends on who does the job.  Use a known dependable shop/individual and you should be happy with the result.

MIKE S:
Are you sure itís a 700r4? The first year for a 700r4 was 1982. If it is all original it would have been a THM350 or THM350C.

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