Pulley ?
the pulley shouldnt cause to much charging problems as long as you dont overtax the **** out of it with a huge stereo setup. even then you can get an overdrive alt. pulley to help with that.
taken from ls1howto.com
Yes, in some circumstances (especially when using a corvette ASP pulley), the ASP pulley will need to be machined for clearance when using a double roller timing chain. The picture on the right illustrates the machining required.


