alumina Posted January 26, 2014 Share Posted January 26, 2014 prob been asked before but what is advantage or disadvantage of under driven pulleys over standard size on 350z jdm on 03 reg thanks colin Quote Link to comment Share on other sites More sharing options...
Leosille Posted January 26, 2014 Share Posted January 26, 2014 There's threads on here about the pulleys, search function you should find anything and everything Quote Link to comment Share on other sites More sharing options...
Almeida1234 Posted January 26, 2014 Share Posted January 26, 2014 Reduce weight from crankshaft, so you will get few extra ponies I would say if you change the whole set perhaps 5-6 bhp Quote Link to comment Share on other sites More sharing options...
alumina Posted January 26, 2014 Author Share Posted January 26, 2014 thanks tired search but put in pulleys wont let me search and lightweight pulley brings one result ? Quote Link to comment Share on other sites More sharing options...
Arran Posted January 26, 2014 Share Posted January 26, 2014 Don't underdrive anything, not worth the potential agro. Also take note that aftermarket pulleys dont have a damped crank pulley like oem. Imo not worth the risk for such a small gain Quote Link to comment Share on other sites More sharing options...
KyleR Posted January 26, 2014 Share Posted January 26, 2014 Until they are dunno proven they'll not be going near my car. As Arran said, they're not dampened and this can cause premature engine wear. The car should rev more freely with them but I doubt they add any hp to the wheels at all. Quote Link to comment Share on other sites More sharing options...
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