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| | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | I think you really want to know what the gears in that replacement rear are. I have two rears from similar sources that are 4.11 and 3.70.
The 3.70 rear is under a '49 1-ton that I got from the guy who put the rear under it. He said with those gears and the 216, with an SM420, the truck was not capable of moving down the road acceptably.
Your truck will be heavier than the 1-ton, but that only balances the 235 in my mind. If your gears are 4.11 or higher you may find it doesn't have nearly enough power.
I don't feel you can answer the transmission question without first knowing the rear gears.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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