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#12: 11-12-2005, 11:07 AM
 eL GaTo
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Originally Posted by jim1969
yes that's usually true but unorthodox required new a new belt for the lightened pulleys and 2 belts I believe for the underdriven ones. something about the design of the pulley.
I have Unothodox Racing "stock" size lightened crank pulley only. It does not require new belts. Even if you have the set of lightened pulleys as long as all the diameters of the pulleys are the same as stock then you do not need new belts. The grooves on the pulleys are the same as the stock belt grooves.