Choosing gas type...
Going with a higher octane can help if you are tuned for it, your ECU can pull timing for a lower octane. Higher octane though the ECU has trouble dealing with timing correctly. Also a higher octane can cause your exhaust temps to be higher and possibly melt your cat....mine is partally melted 
Yeah, but only if you're tuned for it and nobody that originally posted in this or has posted since it's been brought back has mentioned tuning...Mike above me just talked to Vince and the STOCK tune has 2 programs....
If you're tuned, there's an advantage to using higher octane.
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roth
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Sep 26, 2015 12:16 PM



