Quote:
Originally Posted by vintovka
This thread made me curious. My 54 on a GMC sierra classic chassis with 350, 700R4 and 3.08 turns 1100 rpm at 60 MPH with 33" tire. It has all the low end torque i need and seems to deliver bout 15 MPG. Any of this seem right?
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with a 33" tire and 30% overdrive, a 3.08 should turn about 1300 rpm. sounds like you have a 2.73