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Search: Posts Made By: Nouveau Redneck
Forum: Grand Cherokee - WK2 - 03-30-2011, 03:18 PM
Replies: 17
Views: 1,471
Posted By Nouveau Redneck
Re: some question for overland owners

Higher octane gasoline prevents pre-detonation (knocking) in higher performance engines. Most modern high performance engines, including the 5.7L Hemi, have knock detectors that tell the computer...
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