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[QUOTE=alcheng;2172986]Engine are design and tuned for certain spec/octane-value. For a normal OEM spec engine you won't get any difference between 91 or 94 since they are tuned for 91./QUOTE] I
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02-19-2013, 02:17 AM
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#16 (permalink) |
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Premium Member Bitches
 
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[QUOTE=alcheng;2172986]Engine are design and tuned for certain spec/octane-value. For a normal OEM spec engine you won't get any difference between 91 or 94 since they are tuned for 91./QUOTE]
I disagree with this point. The car will advance timing, and adjust per current conditions... (Like anything else, intakes, exhausts etc.)
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02-19-2013, 03:07 AM
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#17 (permalink) | ||
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A True Z Fanatic
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Quote:
Unless you tuned it and it requires 94, otherwise if the drivers manual says 91, 91 is as good as 94. I tried both on the same car... no difference... |
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