Quote Originally Posted by zorro View Post
I recall hearing quite a few times that the fords with the live axel got the power down better out of corners so had a small edge there. Quicker corner exit speed certainly would help them appear quicker in a straight line too

A live axle is OK on a smooth surface, the wheels are always perpendicular to the road. It's when the road gets bumpy that an IRS system kills it because IRS has less "unsprung weight" for each wheel going over a bump .

Cheers, Matthew