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i believe its a 3in pulley. ok so i went to kragen and grabbed another vaccum line and fitting. im going to get ready for work, head to depot because i can get a valve for a drip fitting for plubing so i can actually open and close it when i want. and actuallty with our cars it seems to be boosting as soon as u touch the gas. see by doing this, u eliminate vaccum. so there is no more the only option is to boost. and 6psi is no biggie. stage 3 will be around 11psi. one thing though, u will be changing ur air fuel ration but 1psi ur ECU should be able to accomodate it and actaully add the fuel. check it out on the dyno bcause im curious. I think u will actually notice the power in the mid and low range the most.
see top end u might only gain 1psi which is ok on our cars thats a decent gain. but mid range, u will not have to build boost at all, it will be right there. last night leaving the drive way after 2500rpm the tires went crazy, hit second and SPINNNN. usually i chirp second and my LSD grabs and goes. that was warmed up to. so check it out man but its easy to change back to stock so dont worry about ur warranty. i should be the one worrying, i have to bring my car there next week.
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