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Old 04-22-2011, 03:12 PM   #1 (permalink)
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Ram 4500 Fuel Mileage

Hey guys, heres the thing I need to get better fuel mileage outta my truck. Its a 08 4500 c&c towtruck, its 84 ca and it weighs 13000 empty. I'm getting anywhere from 8-10 mpg. It always changes depending on how much im out or what im hauling. Now the question is i dont wanna void any warrentys i have on this thing being that it is a commerical vehicle. I need something that is non tracible. I would be willing to do the turbo back straight pipe exhaust because i can always put the stock one back on. Now as far as a programer i dont know what one to go with, i dont need one that is super radical, but one that would give me more power if needed and deffinently more mpg. Any way you guys can lead me in the right direction would be great thanks, brian.
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Old 04-22-2011, 09:16 PM   #2 (permalink)
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Well if you do a turbo back exhaust on these trucks you will void the warranty. Same with a programmer. Now you can put that parts back to stock but if the dealer looks hard enough they can find out that you screwed with it. So you either need to except that your going to void your warranty or the most your going to be able to do is an air intake and unplug your egr.
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Old 04-22-2011, 09:26 PM   #3 (permalink)
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There really are no options that will make much of a difference in fuel economy that will not void your warranty......sorry , but that's the reality of of driving a 4500 diesel in 2011.
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Old 05-07-2011, 08:38 AM   #4 (permalink)
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I just drove my truck from Calgary to Vancouver ... NO TRAILER.... with new 22.5 wheels that give a 4.09 dif ratio and i did one way trip with full tank... speed av was 115km/h and cound't make faster because my power steering was bad. so that make 1000km whit 180L in the rockies
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Old 05-07-2011, 04:07 PM   #5 (permalink)
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I average 9mpg loaded with all the deletes, pdi manifold and banks intake. I am pretty much always loaded.
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Old 05-07-2011, 10:10 PM   #6 (permalink)
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Pdi with a he351????? please show pic!!!!
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Old 05-08-2011, 02:40 AM   #7 (permalink)
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Pdi with a he351????? please show pic!!!!
I am confused. What is a 351??

Its just the 2 piece pdi exhaust manifold and stock turbo. Turbo and exhaust and ect moves forward about 1".

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Old 05-08-2011, 02:54 AM   #8 (permalink)
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Originally Posted by DodgeBeastWrecker View Post
Hey guys, heres the thing I need to get better fuel mileage outta my truck. Its a 08 4500 c&c towtruck, its 84 ca and it weighs 13000 empty. I'm getting anywhere from 8-10 mpg. It always changes depending on how much im out or what im hauling. Now the question is i dont wanna void any warrentys i have on this thing being that it is a commerical vehicle. I need something that is non tracible. I would be willing to do the turbo back straight pipe exhaust because i can always put the stock one back on. Now as far as a programer i dont know what one to go with, i dont need one that is super radical, but one that would give me more power if needed and deffinently more mpg. Any way you guys can lead me in the right direction would be great thanks, brian.
The 4500 DWR weighs nearly 6000 more than a 3500 SWR?? What makes up all that extra weight?
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Old 05-08-2011, 08:04 AM   #9 (permalink)
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The 4500 DWR weighs nearly 6000 more than a 3500 SWR?? What makes up all that extra weight?
Wheels , diff, brakes, drive shaft, spring, shocks, chasis, fuel tank/s, intake
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Old 05-08-2011, 08:06 AM   #10 (permalink)
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I am confused. What is a 351??

Its just the 2 piece pdi exhaust manifold and stock turbo. Turbo and exhaust and ect moves forward about 1".

that is a manifold!!!! he351 is that piece of sh### turbo that we have in our trucks.....

how that flow??? any improve keeping that turbo???
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Old 05-08-2011, 03:33 PM   #11 (permalink)
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Well if you do a turbo back exhaust on these trucks you will void the warranty. Same with a programmer. Now you can put that parts back to stock but if the dealer looks hard enough they can find out that you screwed with it. So you either need to except that your going to void your warranty or the most your going to be able to do is an air intake and unplug your egr.
X2. Just unplug your egr and do the air intake. You should gain 2-3 mpg. With a dually your going to loose 20% from the single axle.
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Old 05-09-2011, 11:10 AM   #12 (permalink)
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unplugging the EGR made no difference to my truck. 10k lb empty and the best MPG to date was 14 mpg empty with 8.5-9.5 grossing 26k with a windsail for a load.
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