Can I put 15 psi pulley onto my engine without any problems? Michael August 23, 2023 14:01 Updated You'll need to run some form of intercooling and a tune to suit to be able to run 15psi pulley. Related articles Can a L67 SUPERCHARGED V6 vehiclebe driven to the tuner after installation of an AIR TO AIR INTERCOOLER PLATE? I purchased a 70mm throttle body from Mace around November 2008 for my VP 5.0L Commodore. Since the install back in 2008, I have noticed that the gear changes have all changed and the car will not drop back easily into lower gears when floored. I just as Do the 12 to 15psi pulleys on an L67 require any custom tuning? Comments 0 comments Please sign in to leave a comment.
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