Gas Milage
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Russ Roth (03-05-2013)
#8
The truck is my sig is wearing the same size tires (studded snows, which have a lot of rolling resistance) and gets on average 17 mpg constantly (mixed driving, city / highway, empty and not towing). same ratio in the diffs as you too. I get the best mileage with the edge turned up to 5 but with a mindful right foot. Maybe check your air pressure in tires and verify you don't have dragging brakes or bad binding wheel bearings. Also, how many miles? Could be time for a valve adjustment too if you are up there in the miles.
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yeah somethings up. my truck gets 15mpg when i beat it on it and do all city driving. and i have 4.10 gears
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Something is wrong. I get 14 MPG at least towing my 31' RV with me. I can usually touch 20-21 MPG with thinking to much with a empty truck.
Now remember anything creating drag will create heat. Like drag brake will make a rotor/drum hot to the touch. Transmission issues will show up in a rise of trans fluid (manual or auto). Same goes for the engine if some thing is wrong the EGT's and coolant temp will rise.
Error Codes?
Fuel Pressure?
So true. More rotational mass and rolling resistance the worse your MPG's. Just changing from 265's to 235's gave me a 2-3 MPG boost.
RV275 Injectors gave me a mild boost as well. Then on top of that I typically ran 5x5 on the Edge Comp but now I'm fighting for a smokeless tune on 5x3 but not as good as 5x5 is.
My empty run ....
Now remember anything creating drag will create heat. Like drag brake will make a rotor/drum hot to the touch. Transmission issues will show up in a rise of trans fluid (manual or auto). Same goes for the engine if some thing is wrong the EGT's and coolant temp will rise.
Error Codes?
Fuel Pressure?
285/75R16
The wider tires don't help.
RV275 Injectors gave me a mild boost as well. Then on top of that I typically ran 5x5 on the Edge Comp but now I'm fighting for a smokeless tune on 5x3 but not as good as 5x5 is.
My empty run ....
Last edited by Mopar1973Man; 03-05-2013 at 07:34 PM.