Quote:
Originally Posted by nitro_boss
the 245/275 would alter the speedometer more than 235/265 right?
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Yes, it gets closer to the real speed.
Quote:
Originally Posted by nitro_boss
also, i read that the larger diameter would also affect the gearing of the car?
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Yes, the same logic applied. However, I also have one set of wheels with 245/40/19 + 275/35/19 and my butt dyno doesn't recognize it on 40i Stage 1 at all.
Regardless of the engine, I always recognize the higher rolling resistance coming hand in hand with the wider tires.