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Old 02-28-2012, 10:11 PM   #1
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Fuel economy

Ok ok, I know that we all love power and going fast. I know that I do. But I plan on going on a 2000 mile trip soon and couldn't imagine doing it in any other car than my beloved 5.0. I have heard of many things such as UDP, CAI, mild exhaust, but everything that I have for my 2011 seems to be specifically for adding power (no complaints) but I wanna see what I can do to help eek out a few more MPGs over my FL trip. Any suggestions?
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Old 02-28-2012, 10:26 PM   #2
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I drove my blown 2010 gt from Cali to Nebraska and got the best of 22 mpg at 80mph!!!!!
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Old 02-28-2012, 10:30 PM   #3
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Re: Fuel economy

22 MPG is impressive but unfortunately that's all I think I'll get out of mine and mine is not blown lol. But those 3.73's put me at 2000 RPM at 65 MPH
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Old 02-28-2012, 11:03 PM   #4
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I'd be filling the tires to max cold on the sidewall, and use the cruise control frequently. I have 3.73 gears in mine, and at 65 I get 25 without a problem.
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Old 02-29-2012, 07:19 AM   #5
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On my trip from north dakota to houston I got about 28 with steeda cold air bama tune on road xpipe comp cat back and 331 gears at 70 most of the way key is to feather it to high way speed
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Old 02-29-2012, 07:23 AM   #6
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Hmm, I'll definitely take all the advice, I took off my CAI and tune for the winter also, should I reinstall that before I go?
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Old 02-29-2012, 08:18 AM   #7
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I would so you can try which tune works for your driving the 91 performance tune worked best for me
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Old 02-29-2012, 08:54 AM   #8
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Re: Fuel economy

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Originally Posted by Mweigt07 View Post
On my trip from north dakota to houston I got about 28 with steeda cold air bama tune on road xpipe comp cat back and 331 gears at 70 most of the way key is to feather it to high way speed
Good advice. There was logic behind the 55 mph speed limit. Unfortunately it is boring and really adds trip time.

I just completed a 3000 mile trip in the wife's Odyssey. I could really notice the increase in mileage when I dropped to 60 from the 80 I ran most of the time.
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Old 02-29-2012, 09:23 AM   #9
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I actually was getting better mpg at 70 then 60 or 65 so it really depends the gearing, but going with the wind I know was getting up to 31 but that didn't last long. When I got to texas speed limit felt like 90 because flow of traffic so mpg went down but I made the trip in 26 hours
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Old 02-29-2012, 09:33 AM   #10
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Not trying to be a smart a$$ or anything but my 3.7 gets 35 mpg on a 300 mile round trip to pheonix

---------- Post added at 08:33 AM ---------- Previous post was at 08:32 AM ----------

I was getting 32 then i got my jlt cai and now im at 35
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Old 02-29-2012, 09:34 AM   #11
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Quote:
Originally Posted by OneBad3.7
Not trying to be a smart a$$ or anything but my 3.7 gets 35 mpg on a 300 mile round trip to pheonix

---------- Post added at 08:33 AM ---------- Previous post was at 08:32 AM ----------

I was getting 32 then i got my jlt cai and now im at 35
I suppose I could do a v6 swap lol, I want 35 mpgs
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Old 02-29-2012, 09:34 AM   #12
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Hey man not to be a smart a** but my 5.0 has over hp then your 3.7 lol
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Old 02-29-2012, 09:35 AM   #13
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I suppose I could do a v6 swap lol, I want 35 mpgs
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Old 02-29-2012, 09:36 AM   #14
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Lmao yea yea well i would kill myself with 400+ horses so thats ok :p

---------- Post added at 08:36 AM ---------- Previous post was at 08:36 AM ----------

Quote:
Originally Posted by GrabberBlue5.0
I suppose I could do a v6 swap lol, I want 35 mpgs
Lmao yea do it just for the trip
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Old 02-29-2012, 11:16 AM   #15
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I actually did the math with my car on a 600 mile round trip and averaged 23mpg and some change. The stupid thing on car told me I was getting 27mpg. Then again they are know to be off.

With that I have never heard some one get 31mpg in a new 5.0. I would say it was off. It is very common for them to be off. With that I can trick mine to say I get 50mpg. I did it to my wife.
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Old 02-29-2012, 12:15 PM   #16
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Re: Fuel economy

There are a few things you can do to maximize fuel economy:

1 - read up on "hypermiling"
2 - ensure that your air filter is clean, your oil is fresh (and of high quality), and that your tire pressure is correct
3 - track your fuel usage with a service such as fuelly (free - Fuelly | Share and Compare Your MPG) instead of trusting the trip computer which is almost always wrong
4 - cruise when possible (foot off throttle if auto, clutch in if manual), anticipate stops and bleed off speed without braking (braking turns power into heat in the least efficient way possible), do not speed or tailgate, accelerate slowly and smoothly
5 - buy something other than a 412HP sports car
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Old 02-29-2012, 02:08 PM   #17
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Quote:
Originally Posted by Napoleon85
There are a few things you can do to maximize fuel economy:

1 - read up on "hypermiling"
2 - ensure that your air filter is clean, your oil is fresh (and of high quality), and that your tire pressure is correct
3 - track your fuel usage with a service such as fuelly (free - Fuelly | Share and Compare Your MPG) instead of trusting the trip computer which is almost always wrong
4 - cruise when possible (foot off throttle if auto, clutch in if manual), anticipate stops and bleed off speed without braking (braking turns power into heat in the least efficient way possible), do not speed or tailgate, accelerate slowly and smoothly
5 - buy something other than a 412HP sports car
Now that last one is the worst suggestion of all haha
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Old 02-29-2012, 02:09 PM   #18
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Re: Fuel economy

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Originally Posted by GrabberBlue5.0 View Post
Now that last one is the worst suggestion of all haha
Actually, it's probably the best suggestion. It also brings the benefit of your stang not getting all ****ed up from being a DD and the hazards that come along with that.
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Old 02-29-2012, 02:29 PM   #19
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Quote:
Originally Posted by Napoleon85

Actually, it's probably the best suggestion. It also brings the benefit of your stang not getting all ****ed up from being a DD and the hazards that come along with that.
As right as you are, I couldn't imagine driving any other car day in and day out. I've owned 8 different cars in my 6 years of driving, even 2 fox 5.0's. Most other cars are just too boring (no offense to the foxes, I loved both of mine dearly). I love my blue dragon lol, and wouldn't trade it for anything (except a gt500 or the 2015 gt when they come out)
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Old 02-29-2012, 02:41 PM   #20
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Quote:
Originally Posted by Napoleon85

Actually, it's probably the best suggestion. It also brings the benefit of your stang not getting all ****ed up from being a DD and the hazards that come along with that.
I absolutely agree with this, my stang is in exactly the same condition as when I took delivery of it a year ago (March 2nd) my DD takes all the abuse and its great peace of mind.... not to mention the satisfaction I get whenever I decide to take the beast out for a cruise when I feel like it

---------- Post added at 01:41 PM ---------- Previous post was at 01:39 PM ----------

Not worried about mpg's DD is a 4 Banger
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Old 02-29-2012, 03:00 PM   #21
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Re: Fuel economy

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Originally Posted by GrabberBlue5.0 View Post
As right as you are, I couldn't imagine driving any other car day in and day out. I've owned 8 different cars in my 6 years of driving, even 2 fox 5.0's. Most other cars are just too boring (no offense to the foxes, I loved both of mine dearly). I love my blue dragon lol, and wouldn't trade it for anything (except a gt500 or the 2015 gt when they come out)
I'm with you, no way i could drive another car all week long and save the Stang for weekends/special occasions. I drove my Trailblazer last night ONLY because i was going to an elementary school and feared for my Mustangs doors.
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Old 02-29-2012, 03:16 PM   #22
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Re: Fuel economy

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I'm with you, no way i could drive another car all week long and save the Stang for weekends/special occasions. I drove my Trailblazer last night ONLY because i was going to an elementary school and feared for my Mustangs doors.
I suppose it comes down to personal preference. I LOVE driving my Mustang, but using it to commute through rush hour traffic feels like driving a nail in with a 12g shotgun. My 100hp Mazda2 has the same top speed in that situation, and it gets an average combined city/hwy 38MPG on 87 octane.

One other point that I would like to make is that since I don't depend on the stang for transportation, it gives me the freedom to mod it without worrying about putting it back together before the end of the night so that I don't have to call off work. I also don't have to worry about what my mods do to my MPG since it has very little impact on my overall budget.

To each his own, just explaining why I made these choices.
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Old 02-29-2012, 03:22 PM   #23
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Re: Fuel economy

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I suppose it comes down to personal preference. I LOVE driving my Mustang, but using it to commute through rush hour traffic feels like driving a nail in with a 12g shotgun. My 100hp Mazda2 has the same top speed in that situation, and it gets an average combined city/hwy 38MPG on 87 octane.

One other point that I would like to make is that since I don't depend on the stang for transportation, it gives me the freedom to mod it without worrying about putting it back together before the end of the night so that I don't have to call off work. I also don't have to worry about what my mods do to my MPG since it has very little impact on my overall budget.

To each his own, just explaining why I made these choices.
And very valid points...while i'm in Houston and it's got tons of traffic hotspots...where i have to go isn't one of them...it takes me 15-20 minutes to get to work and 75% of that is interstate...driving like a normal person with a 400+HP car i get 20 or so MPG and that's the same or more than my Trailblazer and former car (Escape)...
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Old 02-29-2012, 06:35 PM   #24
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Quote:
Originally Posted by GrabberBlue5.0
Ok ok, I know that we all love power and going fast. I know that I do. But I plan on going on a 2000 mile trip soon and couldn't imagine doing it in any other car than my beloved 5.0. I have heard of many things such as UDP, CAI, mild exhaust, but everything that I have for my 2011 seems to be specifically for adding power (no complaints) but I wanna see what I can do to help eek out a few more MPGs over my FL trip. Any suggestions?
if you can borrow a set of tires/wheels from a bud with a larger overall diameter it will slow down your RPM and up your MPG...just a thought...
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Old 02-29-2012, 06:39 PM   #25
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Re: Fuel economy

Unfortunately, I have about the only mustang out of all of my friends.... maybe I just need new friends haha
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Old 02-29-2012, 06:43 PM   #26
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Yeah going to smaller winter tires killed my mpg
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Old 02-29-2012, 09:40 PM   #27
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Quote:
Originally Posted by GrabberBlue5.0
Unfortunately, I have about the only mustang out of all of my friends.... maybe I just need new friends haha
Haha I feel u there, I'm in Jersey and I do not see 2011 and up 5.0's at all its very rare... at the same time ur car is unique within ur group and u should feel better knowing u have the more awesome car within ur group ... the respect nods I get everytime I drive my car is priceless
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Old 03-11-2012, 11:06 AM   #28
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Made it to Florida, 26 mpgs!!!!!!
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Old 03-11-2012, 11:44 AM   #29
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Sweet. Super or regular unleaded?
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Old 03-11-2012, 11:56 AM   #30
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Well I have the 87 tune but I was running 93 the whole way, I did 87 because I wasn't sure if I could find 93 the whole way down

---------- Post added at 11:56 AM ---------- Previous post was at 11:55 AM ----------

Running at 74 mph or 65 mph depending on the speed limit. I actually found that 74 mph was about 1.5 mpgs better than 73 mph. Don't ask how, I just know that it is
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Old 03-11-2012, 11:58 AM   #31
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26 is awesome! I'm assuming you did the old school, fill up, travel, total miles, then divide miles by fuel used.

---------- Post added at 09:58 AM ---------- Previous post was at 09:57 AM ----------

And I'm putting that 74 vs 73 MPH as a must try.
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Old 03-11-2012, 12:01 PM   #32
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Quote:
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26 is awesome! I'm assuming you did the old school, fill up, travel, total miles, then divide miles by fuel used.
Yea, my car actually only told me 24.5, I have an app on my phone that I plug all the numbers into and it does the math for me... 26.1 to be more precise

---------- Post added at 12:01 PM ---------- Previous post was at 11:59 AM ----------

Yea, try it for yourself. I have 3.73 gears so I'm at 2k at 65mph and 2275 rpms at 74 mph. I set the cruise so I'm at 2250 rpms then just push set+ one time to get the rpms just a little higher... I just figured it out by trial and error really....

---------- Post added at 12:01 PM ---------- Previous post was at 12:01 PM ----------

65 is more efficient but would've take more than 2 hrs longer to get to my destination
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Old 03-11-2012, 01:41 PM   #33
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Re: Fuel economy

Thank's for the information. With the high gas $$ It would be good info for other's to post their trip mpg along with axle ratio's, tune's and mods.
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Old 03-11-2012, 03:04 PM   #34
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Re: Fuel economy

I rationalize my fuel economy this way ... my wife's 2009 Pilot gets 22-23 on the highway and 17 - 18 in town. If I drive very conservatively, I can probably match in town and beat her by a few on the highway. So, my small car gets the same of slightly better mileage than her big SUV. So, we're good.
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Old 03-12-2012, 02:58 AM   #35
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All good. Definately prefer the Mustang to my wife's Accord . No argument there!!
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