Quote:
Originally Posted by Russ65C10
I am pretty sure the 3.73's were one of the more common gear sets so it should be easy to find one in 71/72 or any other year for that matter. They're about as good a all round as you could've ordered in these old truck. I both my 66 & 65 came standard with them and they're still pretty common in today's trucks. If your looking for 5 lug rear end I think you need to go newer than 72 but I could be wrong.
Do you know what you currently have in the truck?
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that's what i thought...not sure what mine has for sure...it's low though, so i'm figuring 4.11's...with the '71/72 rear, you can just swap it in...it's a tad wider but still utilizes the trailing arms without modification if i'm not mistaken...'73-87 is same width as 71/72, but you would have to cut off & mount perches for the trailing arms