2012 GT running on 87 gas.

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04-21-2011, 12:33 PM

#21

JIM5.0

5th Gear Member

Join Date: Jul 2010

Location: Texas

Posts: 4,404

I have run 93 octane performance tunes andam now running an 87 octane streettune. Mpg is slightly improved if you never shift above 2500rpm. Otherwise kiss your mpg goodbye but say hello for *** stomping power!
Btw I get about 21-22 mpg in DD and about 24-26 hwy mileage on my tunes

04-21-2011, 01:19 PM

#22

SteedaGus

Former Sponsor

Join Date: Oct 2008

Location: FL

Posts: 630

Quote:

Originally Posted by luckydawg003

Do the new 2012 Mustang Gts have the throttle lag like the 07's did? Would a custome tune get rid of this if they do have it?
Thanks.

Also what kind of gas mileage are you guys with 2012 or 2011 GTs getting?

They don't have throttle lag to the extend that the 05-10 cars did. Response is pretty good. But it can still be improved upon with tuning.

04-21-2011, 08:08 PM

#23

brazeagle

1st Gear Member

Join Date: Sep 2010

Location: New York

Posts: 75

Quote:

Originally Posted by SteedaGus

A 3000 is a blank tuner, so we would have to custom tune it before it leaves otherwise you would not be able to program the car. Only 3015's come with "canned" tunes plus the ability to hold 3 custom tunes.

Thank you Gus,
I am happy with that, appreciated your replies at this time.

Take care,
brazeagle

08-11-2012, 07:18 PM

#24

2011MUSTANG5.0L

Join Date: Jul 2011

Location: Alabama

Posts: 37

With the ever rising gas prices, and difference of $.32 per gallon between 87 and 93 octane, I decided to fill my car up with 87 octane and continue to use it a while back. I have noticed no difference in power, or driveability whatsoever. It's awful hard to tell a 10HP difference in a 400+HP vehicle. However, if it was an engine with lets say 50HP....then yes, of course you will notice a difference. In the end, it's all relative to what you are referring to.