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#2
10-25-2004, 03:12 PM
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Re: Underdrive pulleys
i've heard it makes the car idle rougher but i dont know if thats with certain types or not
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'93 Nissan 240sx '90 Nissan 240sx - KAE-T? might go NA instead 
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#3
10-25-2004, 04:57 PM
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As far as I know Underdrive pullies (a/c, p/s, & alternator) do not cause any extra stress on the engine. You get into putting extra stress on the engine when you talk about crank pullies due to the aftermarket ones lacking the harmonic dampner.
As to gains due to underdrive pullies...no they don't seem to do much. I got, I don't notice a difference besides the engine bay looking better.
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2000 Honda Prelude Mod list- AEM CAI, AEM underdrive pullies, AEM FPR w/fuel rail, AEM brake pads, Apex'i N1 catback exhaust, Random Tech Hi-flow cat, Autometer fuel pressure & A/F ratio gauges, Apex'i VAFC(dyno tuned), ACT Xtreme pressure plate w/street disc and streetlite flywheel, Zex wet shot w/dual bottles and purge, Neuspeed front strut bar, VIS EVO CF hood, Honda Access door sills, NX bottle warmers, Lean Racing short shifter Soon to come- 17" wheels, ES motor mount inserts
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