I recently bought an EVO that has a tune for 110 leaded. I can't seem to find that locally but can find 112 and 115. Is it safe to run fuel with a higher octane than what the car is tuned for? I would assume that as long as it's higher you are good to go. Thanks in advance.

-Ryan

 

your good!

 

a/f may be off due to differences in specific gravity of different fuels