87 vs. 93 octane.
#2
RE: 87 vs. 93 octane.
Running higher octane gas will only barely increase gas mileage/performance on a stock civ, and when I say barely, i mean BARELY. The higher octane helps prevent preignition, or knocking, on engines with higher compression ratios, or boosted engines. There is really no reason to run it on a stock civ unless you really want to spend the extra couple dollars on the gas.
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SlowCoder
Mechanical Problems & Technical Chat
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01-31-2005 11:05 PM