[PureZL1]

I have a magi2650 coming up for my A10 Zl1 i also have intake/headers and meth injection on my car with a Jms volt booster, 103mm throttle i am thinking of going up to 16 psi with a 80mm griptec upper pulley and a stock lower, i am wondering how much power will i be making with these mods, i also am wondering what is the belt size for a 80mm 8rib upper and the standard lower pulley.