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Android Users - Coming Soon! - Migrating from aCar 4.8 to 5.0

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Old 08-23-2008, 03:36 PM   #21
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When the old injectors were pulled, there was no visible carbon on the tips.
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2000 Ford F-350 Super Cab Pickup
4x2, 6 speed manual
Regeared to 3.08:1
4 inch suspension slam
Aero mods: "Fastback" fairing and rugged air dam and side skirts
Stock MPG: 19
Summer MPG: 27.0
Winter MPG: 24
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Old 08-23-2008, 03:37 PM   #22
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Answered. Thanks! You use additives regularly or just as it comes out of the pump?
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Old 09-23-2008, 07:00 AM   #23
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About two months in, Dave, what's the next step? What are your thoughts?
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Old 09-25-2008, 03:18 PM   #24
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I will be posting on test results shortly.
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2000 Ford F-350 Super Cab Pickup
4x2, 6 speed manual
Regeared to 3.08:1
4 inch suspension slam
Aero mods: "Fastback" fairing and rugged air dam and side skirts
Stock MPG: 19
Summer MPG: 27.0
Winter MPG: 24
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Old 10-06-2008, 05:04 PM   #25
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After 3,000 miles of testing my conclusion is:

They help, but not much. About 0.5 MPG improvement on a 26 MPG truck.

I'd recommend them if it is new for freshening up your injectors. MPG driving befuddles most tuners but I did work out a couple of decent ones.

Tell your tuner: More timing advance, less fuel, more ICP.
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2000 Ford F-350 Super Cab Pickup
4x2, 6 speed manual
Regeared to 3.08:1
4 inch suspension slam
Aero mods: "Fastback" fairing and rugged air dam and side skirts
Stock MPG: 19
Summer MPG: 27.0
Winter MPG: 24
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Old 10-06-2008, 07:46 PM   #26
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Quote:
Originally Posted by Big Dave View Post
Tell your tuner: More timing advance, less fuel, more ICP.
Ok, so can you fool your manual transmission EOT and ICP a little more to work better?

I know the EOT on an automatic is linked to some things on the trans shift strategy, but I might not be completely correct.
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Old 10-09-2008, 10:36 AM   #27
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Interesting thread. 26mpg is pretty dang good for an F350!

Isn't there a CPS that can get you a little advanced timing?
Who did the tuning?

This winter I'm hopping up the F250 with 190hp (single-shot) injectors, a D66 turbo and a TW chip. I want to get an economy setting on the chip. Allegedly, TW can set it up based on your configuration. I know my injectors are worn pretty good (245k miles). I need the power for towing, but want the economy when I'm not. I'm already using an Edge Evolution programmer, and can still get good FE on Stock or Extreme settings - it's all in the foot.
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Old 10-13-2008, 04:58 PM   #28
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Swamp Donkey did my programming and the injectors. He did six different tunes. Three were undrivable.

Three were usable.
One was a fangs-out MPG tune. One was a lesser MPG tune. One was a regular permance tune with s shallower fuel ramp.

The fangs out tune was best but the perfomance (smoke screen) tune was second but I had to drive it entirely differently.With the MPG tune I upshift at 1200 RPM. Do that with the performance tune resulted in black smoke. Not good. But if I upshifted at 1700 RPM, no smoke and nice low EGTs.

The difference in the MPG tune and the performance tune was 0.3 MPG.
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2000 Ford F-350 Super Cab Pickup
4x2, 6 speed manual
Regeared to 3.08:1
4 inch suspension slam
Aero mods: "Fastback" fairing and rugged air dam and side skirts
Stock MPG: 19
Summer MPG: 27.0
Winter MPG: 24
Big Dave is offline   Reply With Quote
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