9.5 mpg?
10-17-2010, 01:07 PM
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9.5 mpg?
So I've been keeping track of my gas mileage and I'm getting from 9.4-10mpg in the city and 11.0-11.5mpg on the highway. Its an 03' 2500 LD 6.0 4x4 with 155k miles. I do have 33"x12.50"x16" A/T tires and a 2"leveling kit. But is this kind of mileage normal for what I have? The truck is stock except for a S&B cold air intake. Plugs and wires have about 8k miles on them, seafoamed about 6k miles ago. Any ideas on improving this a little bit? I'd love to see 11mpg in the city! lol
10-18-2010, 08:54 AM
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That's some icky mileage. I had a '03 2500HD w/ 6.0L, lifted 9" and on 35's and I still got around 10-11MPG average... What kind of fuel are you running, and are you getting any codes?
There's usually quite a bit to be gained with a proper exhaust setup, and you can usually pick up an MPG or so with a quality tune.... Sort of all depends how much money you're wanting to put into it.
There's usually quite a bit to be gained with a proper exhaust setup, and you can usually pick up an MPG or so with a quality tune.... Sort of all depends how much money you're wanting to put into it.
10-18-2010, 01:09 PM
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So I've been keeping track of my gas mileage and I'm getting from 9.4-10mpg in the city and 11.0-11.5mpg on the highway. Its an 03' 2500 LD 6.0 4x4 with 155k miles. I do have 33"x12.50"x16" A/T tires and a 2"leveling kit. But is this kind of mileage normal for what I have? The truck is stock except for a S&B cold air intake. Plugs and wires have about 8k miles on them, seafoamed about 6k miles ago. Any ideas on improving this a little bit? I'd love to see 11mpg in the city! lol
10-18-2010, 01:15 PM
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Stock exhaust, 6.0, stock tune. Just a cold air intake with lifetime filter. I usually keep the tire pressures up around 40psi. I mean I have a 10 second, 95 Z28 that gets better mileage than this thing, haha.
10-18-2010, 01:45 PM
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I should have read more closley. Are you carrying aftermarket bumpers made of iron? haha.
I dont know your max pressure your tire can hold but 40 seems low. I run 20s and have them at 50 psi all around. what does the sticker on the inside of the drivers door recommend you set your pressures at?
I dont know your max pressure your tire can hold but 40 seems low. I run 20s and have them at 50 psi all around. what does the sticker on the inside of the drivers door recommend you set your pressures at?
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10-19-2010, 02:53 PM
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Save your money for more gas. You will never recoup the money spent on the mods it takes to make slightly better mileage unless you drive a assload of miles over the life of the vehicle.