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what gas do you guys put?

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New Member
Posts: 7
Joined: Fri Jan 04, 2019 2:39 am
Vehicle: 2013 fpis 3.5 L ecoboost

what gas do you guys put?

Post by 13_3.5_turbo_fpis » Fri Jan 04, 2019 2:53 am

So i have a 2013 fpis 3.5 ecoboost. I was recommended down pipes to delete turbo lag because the turbo lag is horrible. I also just put 93 in my tank for the first time and my car drives way much faster than on 87 gas. I save more gas also. Im thinking about getting a pioneer touch screen in my car. There is a video on youtube with somebody getting it done. DId anybody else have problems with their power steering because I just had to buy a whole new rack and pinion

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Re: what gas do you guys put?

Post by Soda_can_dan » Mon Jan 14, 2019 11:42 am

I run mine on e85. But with dropping gas prices I think I’m gonna start running 87. E85 seems to have bottomed out to a minimum $1.75 / gallon by me.

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Joined: Sun Dec 09, 2018 8:21 am
Vehicle: 2014 PI AWD 3.5l Twin Turbo

Re: what gas do you guys put?

Post by PFFCO » Mon Jan 14, 2019 8:57 pm

I've been running 87/89 Octane. I bought a programmer and selected the tune for 87 Octane, they had 90 and 93 as well. Car feels better than when I first drove it. I haven't looked at the mpg in a while. Gas is $259 for 87. Our other cars only like 93 octane. I'll have to try a tank in the PI.

Mike B
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Posts: 32
Joined: Tue Jan 24, 2017 5:34 pm
Vehicle: 2014 Ford PI Sedan EcoBoost

Re: what gas do you guys put?

Post by Mike B » Wed Jan 16, 2019 11:48 pm

I switched from 87 to 91 and felt little to zero difference in performance. My MPG went up by like 1 or 2, but to me, wasn't worth it. So, switched to 89 and called it a day.

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