24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!

fuel mileage

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Old 07-18-2004, 02:53 PM
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Unhappy fuel mileage

01 3/4 5 speed camper special edge ez k&nfilter dpi gauges
strightpipe w summit .race muffler.3.55 rear



just got back from a trip left kansas went to st cloud MN.
pulling 26 TT about 85oo lbs could only get 12 to13 mpg!
with cruise or footing it had 10 to11 psi on fuel psi. egt was
800 to1000. boost was anywhere from 8to22psi .speed at
65mph. rpm1900 to2000 most of the time.not much wind.
truck has19000 miles.what am i doing wrong? i was hopeing
for 15 to18 mpg i need all the help i can get
Thanks
Old 07-18-2004, 03:16 PM
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break it in

when you hit 40k you will see a jump in mpg. i punched holes in my air box and helped the mileage. chk mi pics and see what i tow and go with i get 13mpg. i am about to enclose my air box and open it up more.(noise and hot air).
Old 07-18-2004, 04:16 PM
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I agree, you need to break it in!

Matt
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