Forum Discussion
billyray50
Mar 18, 2014Explorer
billyray50 wrote:No big deal though.Redsky wrote:X2 on speedometer change.
I switched to 285 tires from the factory 245 tires and in theory the gearing should have been 4% taller but in reality with the weight of a heavy camper in the bed the tires squat down and the speedometer is dead on accurate with the larger tires as a result. Without the camper the truck is going about 2-3 MPH faster than the speedometer indicates which is not enough to worry about.
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