Thread: 87 vs 89 custom tunes
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Old Sat, April 16th, 2011, 12:51 AM
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ticopowell ticopowell is offline
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It is highly recommended to not run lower octane than what the tune is written for. It is possible, and that change probably wouldn't do much, but I would be careful and slowly test it out and take notice if anything changes for the worse.
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