Recent content by red00xtreme

i know this is a sy/ty site but i have a 2000 s10 xtreme 4.3 with the powerdyne supercharger setup. i have header back msd 6a and some tb work. my problem is with the fmu they gave me with the kit i only run 13:1 A/F and i detotnates i little. i would like to run 12 or 11.5 if possible. do any...