Archies Mack
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Posts posted by Archies Mack
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Hello guys and gals
I am a newbe here from Cobourg Ontario Canada, Just purchased my first Mack a 2009 Pinnacle with a 72 inch bunk and an MP8 485 HP with a 13 speed fuller and 355 rears.
I am looking for some info about the MP8 DPF system I am not familiar with the DPF. Can this be deleted for better performance and fuel economy. I will be hauling refers at 45 to 47,000 pounds on various roads types from steep hills to flats. Any information about this motor and fuel economy I can expect would be greatly appreciated. and if anyone has some ideas on mods or upgrades for both performance, reliability and just kool ideas for some extra bling.
Just want to thank everyone in advance for your time to assist me with my request.
Respectfully, Archie
Fuel mileage
in Modern Mack Truck General Discussion
Posted
Hello everyone.
I have a 2009 pinnacle with the 485 hp MP8 with A 13 speed fuller and 355 rears running on 22.5/11 Michelins and I regularly pull 50,000 to 75,000 pounds in the box and I run 60 mph at 1300 rpm and I get 5.7 to 6 mpg based on 3.7 liters equals 1 US gal. if I haul a light load of 30 to 40,000 pounds my mileage goes up by 1/4 to 1/2 mpg. my tanks hold 180 gallons and I fuel at 1/4 tank and put in approximately 160 US gallons. I too would love to get into the 7 mpg range. Did this only once with 25,000 in the box.