Quote:
Originally Posted by mav1178
If I still had it, I would put in whatever 91 octane I wish. No brand preference but since I can get Arco prices at Costco using my Visa card, I prefer to go there. But the lines get long so I often go to the 76 by my house as they have decent prices with payment via credit card.
I could put in lower octane but due to the high compression engine it won't perform as well. If I wanted to run 87 all day I'd do an engine rebuild and drop the compression down to 10.5 or so.
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IMHO there is a significant difference between the way a vehicle runs on ARCO, Costco and 76 premium gasolines.
76 is one notch better.
Chevron two notches.
Shell two point five...