Quote:
Originally Posted by MetroMPG
I've read in various places that taking off 1 lb of rotating mass is the same as removing anywhere from 7 to 16 lbs elsewhere (there's the Internet for ya).
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I believe this is primarily a concern for auto
handling. From the POV of efficiency, weight is weight is weight. Dropping 10-15lbs of my vehicle weigh via lighter wheels is equivalent to dropping 10-15lbs off my ass.