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Old 09-05-2017, 06:08 PM   #3
Russell James


 
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Drives: '15 SS 1LE, '69 Z28 drag car
Join Date: Dec 2009
Location: Mich
Posts: 4,482
If it's oxygenated...no. Oxygenated will run leaner. In race cars, usually need to go up a couple jet sizes.

If it's unleaded...maybe put in a couple gallons to each full tank. That little percent won't mean anything... other than free fuel. But I wouldn't run a full tank of oxygenated fuel on a non oxygenated tune.
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