Thread: 91 vs 93 octane and spark plugs
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      07-21-2009, 06:54 PM   #3
Lotus99
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Originally Posted by 1LUMI335 View Post
But it also seems guys running tunes on 91 octane vs 93 octane guys seem to have more issues?
I'm not clear on what you're saying. Guys on 91 have more problems or guys on 93?
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