09-02-2009, 06:19 PM
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#9 (permalink)
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Banned
Join Date: Aug 2009
Location: CA
Posts: 495
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Quote:
Originally Posted by the_student
Yeah, most of us Californians usually have 91 around. In San Jose, there is actually one station with 100 octane that you can mix with 91 and get around 95/96 octane.
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Yes, my friend's 76 station in Redwood City offers 100-octane unleaded at the pump, too. However, on practically any stock car, it will hurt performance rather than help.
It's only in the case where a car is dyno-tuned to run on a specific grade where there will be an improvement. Only then in the hands of a competent tuner will you reap the benefits of "more octane."
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