Originally Posted by garen

Which one(s) have you tried and what did your car do/not do? I ran a front in both my cars and I liked it. Made the car smoother entering corners, with more steering/power exiting, and less tire spin. I only used the Fioroni Tractive IV diff, specifically a rear diff, but used in the front. The Fioroni rear diff has 40 degree ramps, whereas the front uses 120. I never got around to trying 120 in the front.