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Old 02-14-2017, 08:17 PM   #57
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
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Re: Rear Axle Ratio Charts For 1967 - 1972 GM Trucks

Quote:
Originally Posted by 5 Driver View Post
If the truck has posi-traction, would it most likely be listed as an option on the SPID?

Sorry, I missed this somehow....

Normally they would be an option and listed on the SPID, unless it was added later by someone. The posi rears also had a plastic tag on the fill plug with instructions to use positraction fluid in them. That could be missing though.

LockDoc
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