Quote:
Originally Posted by miro
I don't understand why the ABS / traction control feature would get confused on clean dry pavement i.e. non-winter highway driving. My drive is not a commute so I avoid idiots on the road during rush hours.
For the winter, yes, I'd retain my 15 inch rims and winter tires.
You can see why I still don't have a good answer to my question: Will the MPG improve if I increase the rim and tire size on the rear wheels?
Increasing the size on the front wheels increases weight and frontal area and raises the vehicle.
miro
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If the sensors on the front wheels are reading one speed and the sensors on the rear wheels are reading another, that's pretty much the condition the traction control is intended to prevent. ABS will read it as sliding and activate prematurely, decreasing braking performance. YMMV.
I'd go for tall, skinny tires with highway tread. Prolly load range E so I can inflate them to 80 psi for less flex. Check the commercial vehicle tire selection for small delivery trucks, might weigh a little more, but should last longer and have lower RR. Not too much of a disadvantage on long flat stretches of highway.