Supercharger fuel mileage - Mustang Evolution

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Old 07-27-2015, 08:27 PM   #1
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Supercharger fuel mileage

Ok don't come back at me with you didn't buy a mustang or a supercharged mustang for the mileage.....

My question is, if you don't stick your foot in the throttle to hard, what do you get for mileage on a 2015 GT with any supercharger? Mostly interested on long highway trips...
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Old 07-27-2015, 09:03 PM   #2
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Long highway trips I bet it wouldn't be all to different
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Old 07-27-2015, 09:18 PM   #3
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I don't think so either but I'm hoping someone with a supercharger can comment here...
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Old 07-27-2015, 11:19 PM   #4
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I doubt anyone here as one on the 2015 yet. Might make a difference wether it is a centri or roots also
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Old 07-28-2015, 09:59 PM   #5
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Is gas mileage a concern for you? I get about 19 mpg on my 2014 gt500 with a mixture of city and highway but mostly highway. I would imagine a supercharged 2015 gt would be about the same.


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Old 07-29-2015, 11:55 PM   #6
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My boss gets 12 in the city and 21 highway vmp supercharger 635 rwhp 82 mm pulley

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Old 08-01-2015, 12:18 AM   #7
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If the mpg readout is accurate my car still gets about the same as stock hwy milage 26-27mpg. Around town hitting wot pretty much every chance i get it reads about 15mpg most of the time. Not bad i dont think for the power it makes. Put down 593 rwhp the other day with the P1sc.

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Old 08-01-2015, 11:17 AM   #8
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Whats on your Mustang, Roush supercharger or what?

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Originally Posted by RJ13GT View Post
If the mpg readout is accurate my car still gets about the same as stock hwy milage 26-27mpg. Around town hitting wot pretty much every chance i get it reads about 15mpg most of the time. Not bad i dont think for the power it makes. Put down 593 rwhp the other day with the P1sc.

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Old 08-01-2015, 11:19 AM   #9
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Sorry I didn't see in your signature line you have a Procharger... I had not seen one of those before.. Thanks for the mileage info, that's the kind of info I was hoping to get from the members here...
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Old 08-10-2015, 10:45 PM   #10
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I have FR/Roush on my 2015 GT around town I have gotten as low as 12.5 on trips I have gotten as high as 24.3 hand figuring city or highway driving it's hard to stay out of the pedal lol


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Old 08-11-2015, 03:43 PM   #11
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Haha, very cool. What speeds do you usually drive on the highway and for what distances?
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Old 09-17-2015, 10:29 PM   #12
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On the highway average 70-80 on a 80 mile trip


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Old 09-18-2015, 06:13 AM   #13
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It depends on setup and how you drive. My last car at 650 rwhp and a TVS dropped 1 mpg if I drove normal city or hwy and more if I got into boost. I am installing a Whipple with the 132mm TB upgrade in about a week and will let you know how it works out. Currently average 19 combined, 25 hwy, about 15-16 just city with auto and 3:55 gears.
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