rear axle ratio
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rear axle ratio
I have a 1990 F 150 302 C-6 tranny that had a 355 rear end with 29 inch tires, running 60 MPH I would rev at 2500 RPM. I then had the rear end changed to whats suppose to be a 3.08, but I had just put on 31 X 10.50 R 15 and at 60 MPH I still rev 2500 RPM can anybody tell me what gives. I thought the rear end change would lower my revs now I'm running bigger tires slower. I sure did notice a change in the take off but the same revs and gas mileage sucks comapred to the 20 MPG I use to get before all this started.And lately it started stalling when the motor is warm while stopped at a corner.Revs at 500 RPM when stopped if it does not stall.
Can anybody help ?
Thanks in advance.
Can anybody help ?
Thanks in advance.
