I just switched back to stock pulleys on my car today (Don't give me crap for it, it was a must because of electrical draw. Now when driving, if I'm at WOT and it hits 4,200 rpm the car feels like it hits a wall. Before that everything seems normal. Anybody have any ideas why. I reset the battery and it made no difference. The belt did fit really tightly, but could that cause this kind of a problem? Also there were no other changes to anything else, only the pulleys.