99-02 Whipple questions

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jdmucker

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Sorry I can't remember what the actual sizes were of them. I had mine on a 4.8. The 12lb pulley was actually a 10lb I believe but it made 12lbs of boost.
 

jbancs

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I know this is old, but an FYI on that kit, it's horrible. I bought a rcsb silverado with that kit on it, and it was a dog, never ran right. The extra two fuel injectors mounted on the intake is a horrible design which is pretty much impossible to tune. The supercharger it self isn't bad, but thats about all that worth a damn on that kit. you'll need to upgrade injectors and tune it to make it even semi decent and by the time you do that you can buy the better part of a newer kit or even a turbo setup which will yield much better results. just an FYI.
 

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