As I say leave at the lowest RPM the combo will tolerate. All will be different for sure. Lots of variables, torque amount and peak, car weight, SLR, tire etc etc. Just been my observation that generally speaking they will run quicker at a lower launch RPM in many case. Nothing is universal for sure, just a rule of thumb. We run a high RPM SB in the NA car and it leave at a relatively mundane RPM for sure.


"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"