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the description of the UR Crank Pulley says "can provide gains of 5 to 12 HP and 4 to 8 ft.-lbs. on normally aspirated engines and 8 to 16 HP and 8 to 18 ft.-lbs. on forced induction engines. These are average gains. Gains as high as 37 HP and 45 ft.-lbs. have been realized on modified forced induction engines."

just wondering if this seems accurate to you guys and if so, how much gain would you suspect on a 7thgen with race header, CAI, full exhaust mandrel bent, stage 2 clutch, and a zex 75 shot????

 
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not much, it should rev quicker. My friend has 98 non-turbo Supra(VVT-i baby!) and all he has on his car are exhuast cam, UR pullies, high flow filter, uni-chip, jet chip and apex-i N1. His car is rated at 320 hp at the fly which is just as much as a twin-turbo. Non stock TT dont pull on him until they reach 65 mph. He has an automatic and pretty much has perfect launches everytime. So he has gotten almost a hundred horses from a drop in filter, exhaust, and pullies. Da rest is all tuning.