Just fitted a quaife atb differential to my English axle in the stylus, I read they were good and after a few miles of playing I can say for certain that they are good, really good.. with all the new found power when accelerating in a straight line the car was stepping out sideways if you didn't feed things in gently, now mash the throttle and it squats, wheelspins a bit and flies to the horizon at a rapid rate completely straight line and quicker than it was due to more traction.... the diff cost £536 a further £125 to have it fitted and completely refurbished with new bearings.
Fitting the quaife atb is the finally to my winter summer autumn mods.