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Thanks guys for the kind words. The butt dyno is definately sensing a huge increase in power. Last week I raced two different Z06 Vette's. First one was from a dig which only lasted till the start of third due to traffic but we were pretty much even when we shut down. The second one was getting on the freeway and wasn't really a race because I couldn't get him to line up with me but each time he would run I was right there on his ***. I would have thought I would get owned even by a stock one but my car really surprised me, that or neither of them knew how to drive. Either way I am really happy with the Stillen blower and my custom pulley.
How much do those 8.3lb pullies run price wise? Also, do you need a fuel pump and bigger injector to accomodate?
The pulley was like 95 dollars if I remember correctly. I'm running the stock pump and seventh injector with no problems, the car is still running pretty rich.