Transmission question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hollywood763 · 03-11-2011, 04:50 AM

The transmission in my 66 3/4 ton truck is a 4sp with a granny low, and I'm replacing that transmission with another 4sp granny low that's out of a 66 half ton.
will this swap strait across or is there a difference between the half ton trannys and 3/4 ton trannys to where there has to be some modifications made?

I found this transmission on craigslist and I don't want to bother with buying it unless it's an easy swap.

thanks.

03-11-2011, 04:50 AM	#1
hollywood763 Registered User Join Date: Nov 2010 Location: Ridgefield, Washington Posts: 23	Transmission question The transmission in my 66 3/4 ton truck is a 4sp with a granny low, and I'm replacing that transmission with another 4sp granny low that's out of a 66 half ton. will this swap strait across or is there a difference between the half ton trannys and 3/4 ton trannys to where there has to be some modifications made? I found this transmission on craigslist and I don't want to bother with buying it unless it's an easy swap. thanks.



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