Originally posted by Horse:
FYI generally a larger size rim and smaller tire usually equates to higher weight and more rotational mass- ie its harder for the engine to turn the wheels- stay with stock rim size and look for a rim that is lighter weight than your stock ones. or check with your new tire/wheel combo the weight and get the lightest.
True, but check out
this actual plus-sizing test from Grassroots Motorsports . It completely shattered my notion that big wheels were merely cosmetic.
