Underdrive Pulley Owners???
Well yeah guys thanks for all the responces...
I went w/ the asp along with there alt pulley
And yeah seems to rev faster and what not
And getting back on the dyno on the 17th of this month 2 see what it picked up so ill let everyone know then...
And heres a link if anyone want to sign up or come to the dyno day...
https://ls1tech.com/forums/southern-members/661906-dyno-day.html
I went w/ the asp along with there alt pulley
And yeah seems to rev faster and what not
And getting back on the dyno on the 17th of this month 2 see what it picked up so ill let everyone know then...
And heres a link if anyone want to sign up or come to the dyno day...
https://ls1tech.com/forums/southern-members/661906-dyno-day.html
never had any problems with my ASP, and over 500rwhp now, never had any weird belt problems, alt pulley is still the same. didnt get any "feel" performance, but got a quick rev and a little faster whistle 
Originally Posted by FireSilverLullaby
what kind of increase in gas milage did everyone notice, im guessing 1 or none.
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