Messing with H&S tuning and my mpgs - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 04-19-2013, 09:02 PM Thread Starter
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Messing with H&S tuning and my mpgs

I heard that people get the best mpgs from their H&S tuners on the higher tunes. With that being said after installing the tuner about a year ago I've really only ran it on the middle tune on the performance setting getting about 13-14 mpgs in town. I'm fairly easy on the skinny peddle with occasionally getting on it with moderate idle time. The last few tanks I've been running the tow setting and have been getting consistent 15s, and that's with hand calculating also. All while drive the same too. Just some of my experience anyways.




08 F350 crew 4x4
H&S mini, Sinister egr delete, cold side pipe, 5" straight pipe, S&B intake, 3.5" level, Newton bars, coolant filter, 325's duratracs, ARP studs, 6.0 manifolds, flow pro DP, Detroit truetrac, triple disk converter, led bed lights

79 F350 4x4 460ci
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post #2 of 6 Old 04-20-2013, 08:27 AM
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I have a 2010 F350 Dually 4X4 and I hitting 15 17 all the time. I was getting 20 before I had injectors put in it

96 F350 Dually Super Cab 7.3 Stock. Now I have a Solid Mass Flywheel.
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post #3 of 6 Old 04-22-2013, 02:03 AM
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I do mostly highway and hand calculating I am running 23-24 mpg avg with what little city I drive. On performance mode
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post #4 of 6 Old 04-22-2013, 07:35 PM
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I run 300HD on wild, trans S1L, LBF at 3, getting 11-12 city. I drive all city. Sucks but that's on winter blend fuel, getting about 14-15 on summer blend

09 F-250 Superduty CCSB
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post #5 of 6 Old 04-25-2013, 06:43 AM
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I seem to get my best fuel mileage on the HD300 tunes set on "mild". I haven't tried any other tunes except the HD tunes. I used to get 350km/tank stock and get 650km/tank now in the winter and about 750km/tank in the summer.
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post #6 of 6 Old 04-25-2013, 06:50 AM
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I get around 13 combined and I drive about 100 miles a day with a lot of it being highway. That's with Gearhead tunes. It was no different with the canned H&S tunes on the HD300 level, be it "street" or "performance" on their newest update. I do have a 6 inch lift and 355/65/18s though. I have never got better on the highest level compared to the 2nd highest (what I usually run).

2008 F250 CCSB 6.4
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