Stock Shift Points

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08-15-2011, 07:38 AM

#11

Shelby350Mike

2nd Gear Member

Join Date: Aug 2011

Location: Pennsylvania

Posts: 166

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.

08-15-2011, 10:42 AM

#12

MustangFirstCar

5th Gear Member

Join Date: May 2010

Location: Ohio

Posts: 2,228

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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