SCT vs stock fuel consumption stats- datalogged! - Ford Powerstroke Diesel Forum
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Old 06-25-2009, 04:02 AM
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SCT vs stock fuel consumption stats- datalogged!

i was board last night so i deciced to grab the laptop and datalog how much fuel was being consumed with the sct live wire performance setting vs stock. interesting stats... hope it can benefit someone.


Performance tune with engine cold:

Desired volume of fuel at 40 mph: 19.5%
Engine RPM: 1355

Desired volume of fuel at 50 mph: 22%
Engine RPM: 1460


Performance tune with engine warm:

Desired volume of fuel at 40 mph: 16%
Engine RPM: 1370

Desired volume of fuel at 50 mph: 21%
Engine RPM: 1460

Engine Idle RPM in Park: 690
Desired volume of fuel in park: 10.3%

Engine Idle RPM in gear: 690
Desired volume of fuel in gear: 7.5%

Acceleration from 0 to 50 mph at 30% throttle
Desired volume of fuel: 40%

Standing 0-60 time (no brake boost): 9.51 sec
Maximum volume of fuel desired at WOT: 100%


Stock engine, warm:

Desired volume of fuel at 40 mph: 14.7%
Engine RPM: 1315

Desired volume of fuel at 50 mph: 21.4%
Engine RPM: 1470

Engine Idle RPM in Park: 690
Desired volume of fuel in park: 10.3

Engine Idle RPM in gear: 690
Desired volume of fuel in gear: 7.1%

Acceleration from 0 to 50 mph at 30% throttle
Desired volume of fuel: 36%

Standing 0-60 time (no brake boost): 12.20 sec
Maximum volume of fuel desired at WOT: 74%

Variables:

Temp: 91 degrees

6.0L diesel with K&N intake and MBRP 4in turbo back exhaust

truck was empty with 33' tires and rotations per mile was corrected. AC was off.

Desired volume of fuel is measured in miligrams per stroke. For this purops its just a percentage

While accelerating 0-50 the fuel desired stayed within 1% the whole time.

testing was done on a level, paved road

SCT livewire 9600 tuner was used and LiveLink software was used to datalog

Stats:

The performance tune decreses your 0-60 mph time by 2.69 seconds.
On performance tune going 40 MPH your desired fuel is 2.5% higher when the engine is cold
On performance tune going 50 MPH your desired fuel is 1% higher when the engine is cold
On performance tune your desired fuel at 40 MPH is 1.3% higher than stock
On performance tune your desired fuel at 50 MPH is .3% lower than stock
On performance tune your desired fuel while accelerating 0-50 at 30% throttle is 4% higher
On stock, the maximum volume of fuel used at WOT is 74%, performance tune is 100%

Conclusion: the tuner has significant HP and TQ gains with very minimal increase in fuel consumption over stock.
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Old 06-25-2009, 04:40 AM
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Great Info!
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Old 06-26-2009, 09:35 AM
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Could you do this test at 60 and 70 mph as well?
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Old 06-27-2009, 01:15 PM
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Good job on the info!
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Old 06-27-2009, 01:20 PM
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Well done!
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Old 06-28-2009, 10:23 PM
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nice write up!
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Old 06-29-2009, 05:39 AM
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Good job! nice write up.
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