Forum Discussion
wintersun
Jul 23, 2014Explorer II
Cehck the actual tire diameter of the 235/85R16 and the 288/75R16 tires. With the 17" rims on my truck the difference was about 1 inch and that only changes the distance between the center of the rim and the spindle and the leading edges of the tire by 1/2" which is not enough to worry about. Same applies to the width of the tire where a 1" wider tire is only going to be 1/2" further from the centerline of the rim.
I noticed a 2% change in odometer/speedometer reading with the new tires and no load in the bed. With the camper on the truck the odometer/speedometer is dead accurate as the weigh reduces the rear tires' radius.
I noticed a 2% change in odometer/speedometer reading with the new tires and no load in the bed. With the camper on the truck the odometer/speedometer is dead accurate as the weigh reduces the rear tires' radius.
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