Quote:
Originally Posted by drifter
Thanks. So, you mean like a Chevron or Shell. Also, I live 5 minutes from Laguna Seca race way and I heard they have 100 octane there. I was thinking to add a gallion of that to my tank when I fill up. Still looking into it though
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Running 100 without being tuned for it is just going to be a waste of your money.
While I do believe the car will run best as intended on 93-94 octane
(hence why all the other states with 93 refer to Cali Premium (91) as "piss water", anything above that without a tune for higher octane will just put a bigger hole in your wallet.
Running 100 octane will most likely result in a less efficient burn, and you will see no benefit without tuning for it.