Quote:
Originally Posted by wstar
2) Underdriven pulleys will throw off the pulley ratios for a supercharger kit. You can correct for this by also changing the pulley size on your SC kit, but it's probably far simpler to just leave the stock pulley in place with SC (not to mention, if there's *any* shred of truth to engine life concerns, which I doubt at least in the NA case, they'd be more important with FI). You're adding so much power with FI anyways that any gains from a pulley are too trivial to care about.
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This.
And let me ask yall this, how many people have yall known that have installed UD pulleys on vehicles (foreign and domestic) and have ever had any issues? Cause I know close to a dozen in the domestic world that in the last 10yrs have never had an issue with their UD pulleys and their engines.
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2008 Infiniti G37s 6mt coupe
Berk HFC, Magnaflow Catback, JWT Popchargers, H&R, Eibach, Stillen Sways, B&M short throw, 4.08 frontier gears, NST pulleys
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