2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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The AM 91 race is pretty darned aggressive. In my auto it will
bark 2nd and chirp 3rd at WOT.
The AM 91 perf does not bark 2nd for me, but it does shift hard and fast.
Having said that, I went back to my Bama (dougs) 91 performance
as it does not bark 2nd at WOT. It shifts crisply, but not to hard.
As others have said, try them all and have fun.
If you have an auto I wouldn't suggest driving on the 93 race tune for a daily driver. I love that tune but it's set for quick accelerating shifts not stop and go shifts. At least that's my opinion after driving with it for thousands of miles. I use the 87 street tune and I love it. For events/shows I'll bust out the 93 race but that's all for the fun!
2015 Ford Mustang GT Premium Triple Yellow - Ordered
2006 Ford Mustang GT Premium Screaming Yellow - 1st Car/Soon to be Retired Daily Driver/April '12 ROTM
2003 Ford Mustang Mach 1 Dark Shadow Gray - Gone
2004 Ford Mustang GT Premium Oxford White - Gone
The nearest shop ive seen that sells 93 is a half hour drive (One way.) Plus ive heard its really 91+ Alcohol, so its not a true 93 :/ So I ordered all 3 tunes for 91, keep it nice and simple at 1 octane
Location: PA to KY ('07) to IL ('09) to MS ('10) to FL ('11)
1 octane for all your tunes is fine if you're sure you can always find it. I travel with the Stang frequently (but she's not my DD) and I've had at least 2 occasions where I could only get 87 octane. Both times I was in Bumfuk after midnight with less than 1/4 tank. Fortunately, I have an 87 custom tune and keep the tuner in the car.
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