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      05-18-2017, 07:24 AM   #21
M3SQRD
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Drives: E92 M3,G20 330ix,F22 240iX,F82
Join Date: Jun 2009
Location: Mid-Atlantic

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Quote:
Originally Posted by BuLoOoSki View Post
Maybe, I guess the affect of a different tire size will affect the gearing so maybe it's the same as the difference of running in 4th vs 5th gear on the dyno.
Heavier tires and wheels can increase the (polar) inertia significantly. It requires more work/energy to drive the higher inertia wheel-tire.
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