MPG....and they aren't that great - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 6 Old 09-11-2009, 08:53 PM Thread Starter
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MPG....and they aren't that great

Well I put 305 miles on my truck today mixed driving. About 85% of it was interstate driving from 60 mph to 85 mph with a few times getting on it hard. The other 15% consisted of stop and go traffic, dicking around getting on it, and blowing smoke. My average for the trip was 14.52 mpg with the 310 tune hand calculated. Its not bad fuel mileage, but I expected to see a little higher than that.

Truck has 35" Toyo Open Country AT's, 2.5" leveling kit, and 3 1/4" rear blocks, along with the mods in my signature.

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #2 of 6 Old 09-11-2009, 08:58 PM
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Is this better or worse than you were getting with the 275?

___________________________________________
Black 2008 F250 loaded Lariat/ 6" ProComp Stage II lift w/ control arms and traction bars/ 37x13.50x22 Toyo MTs/ 22x11 black XD Monsters/ painted Bushwacker fender flares/ Amp Research power sidesteps/ smoked Recon LED lights all around/ 6" black RBP tip/Finally!!!: Spartan tuned (310)/ 5" Flo-Pro straight pipe

582HP & 1326TQ


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post #3 of 6 Old 09-11-2009, 09:07 PM Thread Starter
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Originally Posted by scottiet61 View Post
Is this better or worse than you were getting with the 275?
Well, in my opinion the 310 is better on the highway, but the 275 is better in the city. If I had drove conservatively today and maintained a constant speed on the interstate and had not dicked around so much (hard not to where I went ), I think I could have gotten 17+ mpg today. I just dont drive conservatively enough to get good fuel mileage

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #4 of 6 Old 09-12-2009, 09:14 AM
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Ya the 310 eats up some serious diesel messing around in town, but it's great on the highway. 08stroker250 what was wrong with your truck? I saw in another thread that you got some bad news from the dealer? (sorry to hijack)

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
S&B CAI
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post #5 of 6 Old 09-12-2009, 10:10 AM
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I believe he lifted the heads.

2008 Ford F-350 XLT Regular Cab-Built motor, 4r100 swap and big triples in progress @Maryland Performance Diesel

2008 Ford F-250 FX4 CCSB-Stock and for sale
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post #6 of 6 Old 09-12-2009, 10:14 AM
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Might be why you got chitty mileage as well. When my headgaskets went my mileage went down a good bit until I got her fixed.

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
S&B CAI
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