Spartan Guys?? - Ford Powerstroke Diesel Forum

6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 19 Old 09-28-2009, 02:26 PM Thread Starter
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Spartan Guys??

I was wondering what type of mileage are you guys getting. Hand calculated please.
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post #2 of 19 Old 09-28-2009, 03:37 PM
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I am getting 15.5-16 mpg mixed driving (hand calculated) on my spartan. This really disturbs me since it seems like the majority of guys are getting like 19 or 20 with 6" lift kits. I just have cat back exhaust, would my mpg go up with a delete? I don't lay into it or anything, actually i am usually a conservative driver. Can you guys help me out? Might there be something wrong with my truck/tune to be getting that bad of mileage? Truck is an 08 F250 Supercab SB with 36,000 miles
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post #3 of 19 Old 09-28-2009, 05:41 PM
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Originally Posted by HoosierHick View Post
I just have cat back exhaust, would my mpg go up with a delete?
so you can run a spartan w/o doing the dpf delete? I thought that wasnt recommended? maybe that is why the mileage isnt as good?


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post #4 of 19 Old 09-28-2009, 05:44 PM
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I can easily get 17 or so. Hand calculated...

Traded.. 03 6.0 PSD For.. Black F250 2008 SD LARIAT 6.4 PSD 4x4, Aries Bull Bar, Westin chrome running bars, Dura Liner, B&W Gooseneck hitch, Recon smoked taillights, Icon 4.5" lift, 35" Toyo M/T, etc... Running Spartan Tunes AFE PG 7, Flo Pro 4" DP Back, thanks to Cobb's Diesel. It has been great so far.




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So all that work and you're keeping the trash can of doom on the exhaust?

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post #5 of 19 Old 09-28-2009, 05:46 PM
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Originally Posted by sparksjr View Post
so you can run a spartan w/o doing the dpf delete? I thought that wasnt recommended? maybe that is why the mileage isnt as good?
No the DPF is after the cat, therefore catback=DPF delete, but most guys are running everything deleted*
*Im pretty sure
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post #6 of 19 Old 09-28-2009, 05:58 PM
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I am getting 14 mixed driving. Downpipe back exhaust, 275v2.
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post #7 of 19 Old 09-28-2009, 06:03 PM
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12/18MPG on stock 20's

08 F250 CC, 4x4, Blue/Pueblo Gold, 3.73, S & B CAI, 5" Magnaflo downpipe back, Spartan TCM 275 & 310 KEM 345 (SCT - Sold) Mickey Thompson 35 12.5 20's

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post #8 of 19 Old 09-28-2009, 06:08 PM
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the 20+ mpg comes from all highway, in town my mileage sucks with my gears/tires. But once on the highway I have seen between 18-19 running the 275, haven't done it out by hand with the 310 yet

2008 F-250 Spartan 310 Tune
SS 4" Flo-Pro downpipe back
S&B CAI
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post #9 of 19 Old 09-28-2009, 06:21 PM
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Quote:
Originally Posted by younggun55 View Post
the 20+ mpg comes from all highway, in town my mileage sucks with my gears/tires. But once on the highway I have seen between 18-19 running the 275, haven't done it out by hand with the 310 yet
same for me

2008 F-250 CC SB 6.4 FX-4

Pro Comp 6" lift
37" Super Swamper M16's
20x10 BMF S.O.T.A. death metal
Spartan 275
S&B Intake
Flo-Pro 5"
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post #10 of 19 Old 09-28-2009, 08:44 PM
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Hoosier-

In my experience and driving nearly 1,500-2,000 miles per week, there are two major variables that are difficult to obtain what everyone on here is doing. The first is RPM. If you can keep your truck below 2,000 rpm's your mileage will be substantially better. Many people might run 70 mph @ 1,900 rpm's on the hwy and get 19-20 mpg with the Spartan. I know my truck can do this. However, I drive a turnpike everyday that is nonstop and a speedlimit of 75 mph. I drive 78-80 @ 2050-2150 rpms and my mileage is 16.8-17.5 hand calculated. I am running the 210 tune right now and plan to move to the 275 soon.

The second major variable to consider is how much fuel is actually going in the truck. It is best to spend the 5-10 extra minutes to fill the tank all the way until all of the foam actually dissipates from the tank and you can see the fuel in the neck of the tank. By doing so, you are able to ensure that you put the same amount of fuel back in the tank each time and obtain the most accurate hand counted mileage. My guess is not everyone practices this when claiming mileage gains.

I tried nearly every tuner/programmer out there with/without the delete pipe. There is no comparison to the Spartan from power to economy gains to customer service. The Spartan also is 100% consistent with every tank I put in my truck. You definitely went the BEST way with Spartan!
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