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Old 11-20-2002, 09:12 AM   #2 (permalink)
bkw97lude
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Join Date: Feb 2001
Location: FL
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There is a 9psi pulley upgrade. At this time it is not suggested to run the 9psi pulley on the stock block. There are a few JRSC owners that are researching using water injection in conjunction with the 9psi pulley on the stock block. Anything over 7psi is pushing it. Anyone pushing 10lbs on the stock block is a time bomb. Get the supercharger and just run 6lbs for a while. Get all of your tuning done and then worry about more power. Trust me 6psi will be enough power to satisfy you, at least for a while.
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