Quote:
Originally Posted by oil pan 4
Tire weight isn't as much of a factor as every one claims it is.
Taller tires with less rotations per mile (lower cruise RPM) seems to be where the real savings are found.
The only time taller heavier tires might hurt you is if your vehicle is so under powered it has trouble turning the size factory tires and maintaining or picking up speed.
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Big Dave and I and countless others have found that bigger heavier tires on pickups don't lead to fe gains.
I think that's especially true on trucks with overdrive. Some of the real old school stuff with slushboxes and no overdrive could maybe benefit though. I think my a/t Tempos benefitted from going up in diameter ONE size.