i have a 2002 z28 and i would like to go 12.60's or so i am currently running 13.18@105 wt just a cutout how much would i pickup wt a hpp3 and/or asp crank pulley
thanks



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13.18@105

 

i would suggest a lid, freemods, full exhaust first
then get the rest of the boltons
then get LS1edit. dont waste your money on the hpp3, it can only do so much, which is enough to **** you off when you really start modding the car