I know Superchip says to use 91-93 octane gas but the highest it goes up to where i live, NM, is 90 but that is because we dont have to use as high of octane because of our elevation. So do you guys think i would be alright to run 90 octane??
Thanks,
Jared

As a general rule the need for octane is reduced by approximately 1 point for every thousand feet of elevation. So depending on your altitude I'd guess you'd be OK.