i had a 1991 vw corrado g60 rebuilt "stage 5" g-ladder "supercharger" running 22psi never had a prob. with belt slipping.only problem was throwing rod bearings and breaking my valves after about 5 months of total abuse. stock it ran a 15.4 after about 2 grand it ran a 13.7 on stock radials and stock trans. cost to much to keep it running and door handles allways broke
