> I usually put in the highest
> octane available (93). Should I continue to use premium or should I drop
> down to 89?
A better question is why are you using premium fuel? If you must
use it to avoid ping, do you have the performance computer (93
octane fuel is required with that mod)?
If it makes you feel better to use premium fuel, that's perfectly
OK. I would suggest experimenting with various fuel grades and brands
to figure out what runs best.
Ron "Bone Stock '95 318; 87 In Summer, 89 In Winter" Rader
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