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: 55.2-59
"Octane adjustment knob"
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02-17-2020, 08:00 PM
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whitedog76
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Join Date: Jan 2014
Location: Peoria, IL
Posts: 1,450
Re: "Octane adjustment knob"
Wasn't it used for summer/winter tuning? Advance in the winter, retard in summer.
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