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6.0L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 8 Old 04-11-2010, 11:44 AM Thread Starter
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MPG

Ok Ok, Talk about bringing up a whipped subject, but..............

2005 Excursion with a 6.0.........bone stock. What should I be looking at for MPG? Currently getting (verified at the pump) 13 city and 16.5 hwy. I hear the near 20 marks from some running around, but I am no where near. Does this suck?

Plans for the future in order:

SCT X3
Some sort of Cold air intake
EGR delete
Big exhaust

What do you guys think?
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post #2 of 8 Old 04-11-2010, 12:24 PM
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that dose seem kinda low compared to my truck with 36"s i get about 17 hwy and 13 city on stock tune egr delete intake and straight pipe.

03 F350 6.0 SRW 4X4 lariat

481hp 832tq

8" super lift 385/70r16 Toyo MT's
FatBoy traction bars
Durastroke stg1
intake
MBRP 5" straight pipe
Custom tuned by Vivian "Looney Wild Track"
Edge Insight CTS
Zoodad mod
high idle mod
6.4 banjo bolts
Updated fuel pressure regulator (Blue spring mod)
EGR cooler delete
6K 55w HID's
6k 35w fog HID's
B&W turnover ball


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post #3 of 8 Old 04-11-2010, 05:15 PM Thread Starter
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Well here is what I haven't been able to do quite yet...............

Trans flush to synthetic.........plan on next month
Diff fluid change to synth.......plan on next month
transfer case to synth...........next month
SCT X3 ...............................next month

next month = pay day

But I agree it did seem kinda low compared to a buddy with an 05 Excursion..........stock on stock as well, and getting 1+ MPG hwy. He was 17.8 verified pump and we were following eachother on the same trip at the same time.

Maybe he was drafting through turn 3 and 4.....................
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post #4 of 8 Old 04-11-2010, 05:24 PM
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I get 15.6 mixed driving. 18ish on the interstate. Yours seems about right for a stock truck.

The Mullet Mod
Stock 2005 F-350 4x4
*Afe Intake
*4" TB Exhaust
*Scangauge
*SCT
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oil bypass
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water pump
*Tuned FICM
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post #5 of 8 Old 04-11-2010, 07:01 PM
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When my 04 X was completely stock, I got almost 20 on the hwy @ 70, and 15 around town. I have since done some work, but have not done much hwy to verify any numbers. I should be making a good run later this week and will post what I get.

2004 Excursion Limited, 198,000 miles,
Edge CTS (Gauges only), ZooDad, Turbo Timer, DieselSite Coolant Filter,
RCD EGR delete, CCV reroute, Amsoil By-pass Filter, FireStone RideRite Air Springs,
FICM from Ed with Atlas 40 tune, No Kitty, FPR Blue Spring, DC XP270 Alternator


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post #6 of 8 Old 04-12-2010, 03:36 AM
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Quote:
Originally Posted by jonylost View Post
Well here is what I haven't been able to do quite yet...............

Trans flush to synthetic.........plan on next month
Diff fluid change to synth.......plan on next month
transfer case to synth...........next month
SCT X3 ...............................next month

next month = pay day

But I agree it did seem kinda low compared to a buddy with an 05 Excursion..........stock on stock as well, and getting 1+ MPG hwy. He was 17.8 verified pump and we were following eachother on the same trip at the same time.

Maybe he was drafting through turn 3 and 4.....................
your trans & diff fluid are already synthetic, transfer case is mercon v, so nothing to gain there.
sct will gain you the most of what you have listed, with responsible right foot.

don't forget engine oil, either 10w-30 or 5w-40 syn will net small gains
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post #7 of 8 Old 04-16-2010, 05:56 PM Thread Starter
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what are some of the recommended Xfer case, diff and tranny fluids? Currently I changed to Rotela Synth 5w-40 about 1500miles ago.
The right foot is "usually" responsible, and in town, I absoulely realize that I am trying to get a heavy beast moving at every stop light.

Just lookin at hwy best mostly
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post #8 of 8 Old 04-16-2010, 06:11 PM
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6.4 mpg

I drive my 6.4 truck like, "it's a race race" and it gets 15 in town(stop sign to stop sign) and 20 on the highway(at 75 with a/c). I couldn't get that with my old toyota T-100 with a v-6. LOVE THE NEW TRUCk
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