Originally Posted by
sperera
wow that is interesting! big jump in mph but also big jump in octane, down here regular is 91RON and the the high po pump stuff is 98RON so not that big a difference./
So would it be better to run Australian 91 octane on stock motors?
E.g. G290?
I've always ran the BP ultimate 98 as I thought it would be better for the motor in the long run. What do you guys think?
Cheers