he ran a rr 2.8 pulley and a iw 7.5 crank, that will over spin a d1, and that is about what it takes to make 700 hp out of a 2v with a d1How do you over spin a D1-SC? I've talked to tech support at ProCharger. Together we calculate pulley sizes. I need a 10% overdrive pulley and a 3" P1-SC pulley to even come close to overspinning a P1-SC. A D1-SC pushes a lot more air.
Ive thought about about it a million times, selling my complete procharger kit and buying the On3 kit but I just dont know how reliable that kit is.Sell the blower and go turbo. Trust me on this. a blower requires more engine mods to reach the same hp a turbo can do on an UNOPENED engine.