cobra248 Car 2003 172 Feb 3, 2009 #1 currently im on 15s with 55 profile, if iw as to change to 17 with 40 profile, is the rolling radius the same? if not would my speedo be out? thanks in advance
currently im on 15s with 55 profile, if iw as to change to 17 with 40 profile, is the rolling radius the same? if not would my speedo be out? thanks in advance