Thread: Octane woes
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Old 05-07-2001, 05:20 PM
Q Q is offline
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Join Date: Aug 2000
Posts: 839
Correct me if I am wrong, but all US pre 1986 cars require no more than 87 octane fuel. All newer models except for the 1986 190 2.3 require 91 octane. If your car runs bad on 91 octane, something is wrong. I would suspect an incorrect timing problem if all "wear" items are fresh.
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