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Old 02-18-2001, 09:00 PM
16vwannabe 16vwannabe is offline
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Join Date: Mar 2000
Location: Pensacola, Fl
Posts: 38
If your car doesn't ping or knock on 89, then its fine. 89 actually burns faster than 93 and should make slightly more hp. A higher octane will only provide more power if you bump up the compression or ignition timing.
'91 190
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