I have a V2 supercharger with a 3.125 pulley and after changing the alternator about a week ago I just noticed that the belt has jumped about a rib or two. I was thinking about replacing the belt but was unsure of the where to get and what the part number of the replacement belt is. Any input of what could be the problem would be good. I just bought the car 2 months ago and I have had none of these issues until the alternator was changed.
Thanks,
Vic

 

Probably just a belt tension issue. Loosen your belt adjuster, slip the belt back in place and then tighten your belt until you find it difficult to turn in a corkscrew fashion using the crank to AC run. Good luck.