The maximum PSI pulley that we would recommend on a stock factory supercharged v6 (L67) running on 98 octane fuel would be a 10PSI pulley.
I just purchased a 19psi pulley from you guys for my vx Calais supercharged, my car is completely stock, can I slap on the 19psi pulley straight on or for a stock car its better to put a 10psi pulley?
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