1967 Pontiac GTO - Supercharged Silver Streak
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Should Bob want to increase boost in the future, Scott says that it would require stronger brackets to eliminate the flex that causes belt slippage. The P600B's smallest available pulley measures 2.950 inches to increase the boost. Right now it has a 3.050-inch pulley. Also shown is the Bosch surge valve that bleeds off excess boost. View Related Article
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