did cummins recalibration affect your fuel mileage

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did cummins recalibration affect your fuel mileage

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did cummins recalibration affect your fuel mileage

05-25-2009, 07:18 PM	#1
stevef Junior Member Join Date: May 2009 Posts: 4	Hello Has anyone experienced a change in their fuel economy after the new calibrations were downloaded to your cummins 360? Or the second campaign of the turbocharger reposition completed? __________________

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07-18-2009, 07:46 PM	#2
Navy Flier Senior Member Freightliner Owners Club Join Date: Feb 2005 Posts: 309	It did not affect the fuel mileage but it made the computer-based fuel readout much more accurate. __________________ Chuck & Carol 08 Horizon 40TD 04 Honda CR-V

07-18-2009, 07:57 PM	#3
Pigman Registered User Join Date: Feb 2008 Posts: 266	Yes, definitely. We went from the 7.9-8.0 range to 6.8-7.0, manually calculated without generator use. John __________________

07-19-2009, 05:54 AM	#4
Chezhead Member Fleetwood Owners Club Freightliner Owners Club Join Date: Apr 2008 Location: Lake Wales, FL Posts: 38	I went from 9.5-10 to 8.5-9. __________________ 2008 Bounder 36D 2005 Cadillac SRX Toad

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