Quote:
Originally Posted by tbonesteak
Ah...got it. The underdriven pulley has no effect on the car's ability to produce juice for the accessories? Also, is it safe to assume that if you install just the light pulley as opposed to the underdriven one, the gains will be less pronounced? Thanks for all your help.
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The underdriven pulley is the one that does affect your accessories. The lightweight one (that RCZ is offering you) doesn't. In general, an underdriven pulley is going to slow down your AC, Power Steering, and Alternator at idle / low rpm, which may in turn reduce your available amps of current at idle, etc. Personally I think the effects are no big deal, but esp. if you plan on adding a monster sound system, you might want to consider that...