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Question about MPG
I have a 06 king I have 2 tuners I run both of them an SCT and a PPE they said you can't run 2 but I do. Now my question is I run some things off my SCT tuner now my PPE has like 10 tunes from mild to wild I do my mpg by hand being the on on the truck isn't real close I do a lot of hwy driving 60 to 70 I avg about 17 to 19 mpg when I'm running faster it can get as high as 20 to 22 but running that fast all the time is impossible I shouldn't have to drive 80 to 90 to get this mpg think of changing the gears to get the engine speed up to where it is at 80 and 90 to something for the same going 70 or 80 any thoughts if this would work at 70 I'm a little over 2100 so not sure about gearing yet about 2700 at 90mph
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Senior Member
Don't know what to tell ya, But I have never heard of a truck betting 5 mpg better when driving 20 mph faster. I would sharpen the pencil and see if that helps.
DENNY
DENNY
1999 F350 AUTO 4x4 CC LB DRW 4.10
Lifetime Supporting Member
17-19 mpg @ 60-70 mph seems reasonable empty but typically over 2000-rpms and mileage starts to drop.
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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX
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2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Noco Mod. Michelin Defender LTX 285/75/16.
SOLD:
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2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
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Senior Member
I agree that your math is suspect. If you can get 17 or 18 miles to a US gallon then I'd say thanks to the mileage gods and move on. I'm lucky if I see 16 miles to the Imperial gallon and its 25% bigger than a US gallon. As far as getting better mileage at higher speeds - get a new calculator.
2006 F250 6.0 4x4
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Quote:
Originally Posted by Bluebyyou411
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I have a 06 king I have 2 tuners I run both of them an SCT and a PPE they said you can't run 2 but I do. Now my question is I run some things off my SCT tuner now my PPE has like 10 tunes from mild to wild I do my mpg by hand being the on on the truck isn't real close I do a lot of hwy driving 60 to 70 I avg about 17 to 19 mpg when I'm running faster it can get as high as 20 to 22 but running that fast all the time is impossible I shouldn't have to drive 80 to 90 to get this mpg think of changing the gears to get the engine speed up to where it is at 80 and 90 to something for the same going 70 or 80 any thoughts if this would work at 70 I'm a little over 2100 so not sure about gearing yet about 2700 at 90mph
Are you hand calculating the MPG based off of fuel used vs. actual miles driven? Or are you just looking at the dash display readout?
2005 F250 6.0 PSD, ARP Studs, Felpro HG's, EGR Delete, IPR Coolant Filter, Bilstein 5100s, Blue Spring Mod, IDP Custom Tunes
If you knew me you wouldnt question my math skills really I done and redone the numbers many diff times, over a period of a year. The math is good and no I don't go by what the dash says it's a computer it tells you only what its programmed to.
Lifetime Supporting Member
Quote:
Originally Posted by Bluebyyou411
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If you knew me you wouldnt question my math skills really I done and redone the numbers many diff times, over a period of a year. The math is good and no I don't go by what the dash says it's a computer it tells you only what its programmed to.
In that case, figure out the reason your mileage inproves at high RPM and patent it.
Every PSD owner on the planet will want to buy the technology.
I am first in line. 😉
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2002 F-250 4x4 CC SB 7.3 PSD w/4R100. 182,000 miles.
NOS Black CPS. ScanGauge-II, AIC, Bilstein 5100, Stancor GPR, Marinco Mod, B&W Turnover Ball, Michelin Defender LTX
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
2002 F-250 4x4 SC LB 7.3 PSD w/ZF-6. 177,000 miles.
NOS Black CPS. ScanGauge-II. Bilstein 5100. Noco Mod. Michelin Defender LTX 285/75/16.
SOLD:
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
2000 F-250 4x4 SC SB 7.3 PSD w/4R100. 164,000 miles.
NOS Black CPS. Rebuilt Fuel bowl w/gold spring, 6.0 Cooler, Walker BTM, Stancor GPR, Michelin LTX M&S2.
Senior Member
If you want to increase engine RPM turn off the overdrive that should give you about 300 rpm increase. Let us know if that helps.
DENNY
DENNY
1999 F350 AUTO 4x4 CC LB DRW 4.10
Senior Member
I've owned this truck since May '05 and do a yearly calculation based on miles driven and gallons pumped during the calendar year and never got above 16MPG. My first F250 diesel was purchased in 1998 and ever since then I have had guys with the exact same truck tell me they get 22MPG.
6.0L, F-250 XLT, Torqueshift, S/C, L/B, FX4, 3.73
Truck Build Date: 02/05/05 Kentucky
Engine Build Date: 02/03/05 Indianapolis
Gone but not forgotten - '99 7.3L F-250 XLT S/C, L/B
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