an Adjustable cam gear has been dyno'd to increse HP, less than 5. The Unorthodox pullies currently available are flipping SES lights. Check the boards, there's probably a link to the discussion at club3g on here. UR is supposed to be making new pullies that correct the problem.
AEM has an Alternator pulley. I can't tell you about that I'm waiting for brown santa to bring it.
Keep in mind, most pullies, especially the alternator is gonna reduce your alternator output. This could be important in Sin City where you run your AC non stop during the day and your systems at night.
That's a start....
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