Stock Shift Points

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Aug 15, 2011 | 07:38 AM

#11

Shelby350Mike

2nd Gear Member

Joined: Aug 2011

Posts: 166

From: Pennsylvania

I think the 91 octane tune means you need to use a fuel with at LEAST a 91 Octane rating, I know people who run 93 on a 91 tune all day long.

Aug 15, 2011 | 10:42 AM

#12

MustangFirstCar

5th Gear Member

Joined: May 2010

Posts: 2,228

From: Ohio

Running a higher octane won't hurt or help. It's running a lower octane that you have to be careful of.

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