Quote Originally Posted by Peter-E36
Quote Originally Posted by Venom
Black diamond - Super4
That's what I had in mind alright, especially since he is looking after the car thought of the drilled and grooved option.

But there's very little online about them and just wanted to hear about people's experiences as well as alternatives and prices and so on.
Don't go drilled. Can be prone to cracking issues. Grooved by itself should be good for the power you have and maybe also upgrade the fluid, pads and go for stainless lines.