just4bob50 Active Member Apr 2, 2005 504 5 28 Pa. Jun 22, 2005 #1 Jun 22, 2005 #1 has any one ever used an asp overdrive / underdrive crank pulley for their supercharged set up and did it actually give you more boost or power. I am thinking about getting one before i have my car tuned.
has any one ever used an asp overdrive / underdrive crank pulley for their supercharged set up and did it actually give you more boost or power. I am thinking about getting one before i have my car tuned.