best mileage from a powerstroke

06cumminspower

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the speed sensore is just sitting there i don't have a speedometer and dont know how to rig one up but i am plannig on puting a 3.08 in the original rear end and putting it back in
 

rondog

oil burner
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Sep 19, 2006
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Whittier Ca.
I get around 16-17 running empty to and from work, with 4-10's in the back.
2000 rpm seems to be the magic number. Above 2000 the mileage drops dramatically.
I put my Lance camper on and run 70mph on a trip and only get around 10mpg.
Then Ill keep the camper, add my 10,000lb dirt bike trailer, run 60mph, and get 12-13.
I guess the lower rpm and less speed/wind pushing makes up for the added weight.
 

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