Originally Posted by MFitzs70
I believe he made a type o here...93 octane with 83 should be 93 octane with 93 octane tune. If that isn't followed they will knock.
Shoot thanks for catching that.
Yes 93 tune with 93 octane +,91 tune with 91octane + and 87 tune with 87 octane +, but no added benifit will be seen by running more octane then needed.