Originally Posted by red58
would the Chevy 3.38 gearset even work in a GMC rear? ... I thought the 5-9 GMCs had a factory 3.07 rear gear

Bill

MT just said that they only offer gears for Chevy trucks.

They Do Not get involved with parts for the oddball GMC trucks.

And he stated that he was under the impression that the 55-62 GMC's used 3.90 gears originally & the weird 3.07 gears were only used in Hydramatic equipped trucks.

I don't support it.... I only report it.