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re: Spinoff thread. Anyone use a tuner on an Ecoboost?

Posted on 10/27/14 at 7:14 pm to
Posted by jsmoke222000
Lake Charles
Member since Oct 2007
6214 posts
Posted on 10/27/14 at 7:14 pm to
I have a 2012 crewcab ecoboost. I was getting 23 mpg on the highway with my stock 18's on the truck. I decided to put some 22" rims on it & I got tires that were the same over all height as my stock tires so that it wouldn't screw up my speedometer. When i put the 22's on my mpg dropped to 15 mpg on the highway. I added a stage 2 CAI & brought the mpg up to 17. I then added a SCT tuner with the 87 performance tune from 5 star tuning. That brought it up to 19 mpg. i get about 14 mpg pulling my boat.
Posted by tigers225
Member since Jun 2008
294 posts
Posted on 10/27/14 at 9:10 pm to
I'm pretty sure EFI Live is only for GMs. Probably means SCT.
Posted by bhtigerfan
Baton Rouge
Member since Sep 2008
29678 posts
Posted on 10/27/14 at 9:11 pm to
I've got factory 20's on mine. Do you think they hurt the gas mileage that much?

If so, seems like what you've done will pay for itself in gas savings.
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