Quote Originally Posted by larry_arizona View Post
IF the truck is tuned for it, yes. 2014+GM trucks are the only ones currently taking advantage of the higher octane and adding timing for it.

Just make sure you have the flex option, easiest way to tell is yellow gas cap.


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Yes I have a 2014+GM. My local trips are fairly short but a couple times a season we'll travel around 3-4 hours. So just curious how much better it might tow.

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