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Old 11-09-2018, 12:23 PM   #14
Nsxmatt
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Drives: 2017 Camaro
Join Date: Mar 2018
Location: Kentucky
Posts: 622
People. OP said he felt it immediately on the drive home. Winter blend is not going to alter the ECU timing that quick especially with old fuel in the lines and fuel in the tank. It's also not going to affect you power output THAT much.
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