Originally Posted by semtex

Just as an fyi, my last pull on Sharif's Dyno Dynamics dyno yield 317.2whp, and that was before the pulley. After I installed the pulley, I only did a dyno on DynoJet (because it's much closer and I didn't feel like spending the money for two dynos). With the pulley, I'd estimate right around 320whp on Sharif's dyno.