Rearend Gearing


Junior Member
I have an 84 truck, w/ the 700R4......... the rear diff. is 273 ratio
I got to get rid of those TALL gears!!!!! Has anyone else done this, and what ratio did you go with???
Thanks for your time.


Senior Member
Lafayette, LA
Came very close to switching from 3.73's to 3.08's on my TH350 for interstate...then i realized the need for towing so i stuck with the 3.73's

In your case unless you really have the money to pay someone or a shop to regear your axle just find a compatable axle for your truck with the right gearing at a junkyard and do a swap-a-roo --by far the easiest and cheapest way--

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