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Super Duty & Heavy Duty 1999 to current Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines SPONSORED BY:

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  #61  
Old 06-04-2014, 08:43 AM
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Diamnd1 Diamnd1 is offline
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Quote:
Originally Posted by astrawn View Post
HA! So true. Me and my friend both have a V10, the salesman told him, "It will pull the underwear off Superman, but it wont pass a gas station."
Never heard that one. But sooo true.
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  #62  
Old 06-04-2014, 10:58 AM
rdinmv rdinmv is offline
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Originally Posted by Steve P. View Post
So you only did exhaust and intake air and a chip and picked up 8 MPG??? Nearly doubling your mileage???? I don't know how that is possible. Are you calculating your mileage over many tanks of gas or using the WRONGOMETER on the overhead console? No change in tire size or gears? Is this a single 5" exhaust? What headers?? I would like to do some more research on this..

Thanks for more info. in advance...

Steve
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  #63  
Old 06-04-2014, 02:05 PM
Steve P. Steve P. is offline
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My question again is: is this on ALL GASOLINE or a mix.

When my 02' F-250 super crew was at about 36K I did a road trip from Florida to Upstate NY. and back. Watched the mileage on each tank full and I once put 100% gas in the tank and got a bit over 16 MPG from that tank. That was all highway with the cruise on around 75 MPH. It is hard to find 100% gas around my home and I do a ton of stop and go and AC on I see a usual 10.6 MPG. AC off = 11.6... Mine is 2wd. Stock everything with Michelins rock hard.
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  #64  
Old 09-11-2014, 02:07 AM
AllAboutDaZ AllAboutDaZ is offline
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I am getting about 13mpg f250 with 4" lift on 35s and 3.73 gears with intake only.
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  #65  
Old 09-14-2014, 11:27 AM
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I found a trick that really helped my mileage, I moved out of a hilly area to a flatter area! Until Last year, I lived in NorCal right on the coast were it always seemed I was traveling uphill and my truck got 11 or so. Now I live in Southern Oregon and my truck will get 14-15+ every day. Now three mpg may not seem like a huge deal, but consider it's about 20% better mileage and that IS a big deal. Plus I pay about 10% less per gallon. My point ( I do have one) is that like I've always suspected, the area you drive the truck and the speed you drive GREATLY affect the MPG's your gonna get. BTW, one of the guys I work with has a '12 Dodge Ram with the 6.7 and his gets 14 mpg.
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  #66  
Old 09-21-2014, 09:37 PM
swenglert swenglert is offline
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New poster here. Just had to put a couple cents in. Decided when I bought my '02 F250 4x4 V10, lifted it 6" and put 35's on it and a hypertech program, that if I couldn't afford the gas, I didn't need to own the truck. Best truck I ever had, and I'm 50 and owned trucks all my life. Right now, she's got right at 230K on her and besides oil, brakes, coil overs and plugs, all she's needed is an alternator and a starter. She gets between 9 and 12 mpg, depending on driving. Never tried pure gas, but am considering it on a future long trip. BTW, she pulls trailers weekly, some heavy, all ov er florida (yeah, flatland mostly). Really enjoying the forum.
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  #67  
Old 09-21-2014, 10:01 PM
FoxNotch FoxNotch is offline
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In my experience with a few SD's, the biggest factor to highway mileage has been speed. These trucks are happy as can be chugging along at 85, but the mileage will show it.

Keep it 65-70, gain a few mph before a big hill, and so on, and you'll see good mileage. This is even more apparent while pulling a trailer.

At this point, the only thing I really miss about a diesel pickup is being able to cruise at 80+ and not watch the needle drop.
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Old 09-21-2014, 10:01 PM
 
 
 
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