Originally Posted by
ajamesc
mine has 500bhp and to be honest wheel spin isent that bad in the dry with warm r888s coil overs and my gripper diff i think i may give it a go for the summer if i dont like it then i can swap back as said my only worry is how much it will take my top end down!
That's very easy to calculate using any of the readily available gear ratio calculators online or by simple maths based on what you can currently achieve.