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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 11-07-2010, 02:58 PM
04hemi4x4 04hemi4x4 is offline
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Default helpin the mpg's

so, what can i do to help my mpg's a little bit. Not that they are a problem, but a couple more mpg's definitely wouldnt hurt! haha
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Old 11-07-2010, 03:00 PM
iRESQu iRESQu is offline
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The most common suggestions are:
1) Tuner
2) Exhaust
3) CAI
4) Keeping your foot out of the gas after performing this mods!

Best of luck and hang tight as others with different options will chime in.

Last edited by iRESQu; 11-07-2010 at 03:00 PM. Reason: I forgot that ":" thingy!
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Old 11-07-2010, 03:10 PM
04hemi4x4 04hemi4x4 is offline
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not really looking to spend a lot of money on it. Would i be able to make my own Intake from Home depot? Spending $200 on a CAI just doesnt seem logical to me, when I can make my own at Home Depot for $35-$50.
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Old 11-07-2010, 03:19 PM
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Building your own is a good option, you could also just purchase a K&N drop-in filter and save some money that way. Paris did a great job identifying those 3 mods, I would definitely consider investing in a tuner.
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Old 11-07-2010, 03:48 PM
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I think a tuner will have the biggest impact...IF you are easy on the loud pedal other wise you will just have more power to pass anything but a gas pump. I have cat-back exhaust with a flowmaster y-pipe, a GREEN Performance drop in filter and diablosport preadator. Still get bad gas mileage and have not seen much improvement in mpg's. If I drive easy I average 14 with about 30/70 mix city/hwy. Could be higher but I can't stand the MDS turning on and off all the time...so I shut it off with the tuner.
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Old 11-09-2010, 12:01 AM
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now as sad as it may seem, scaling down tires is always an option as well. I got another 3 mpg on the highway going from 275's down to 265's passenger tires. Makes a big difference...less weight to turn, (also speeds ya up a bit :P)
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Old 11-09-2010, 12:39 AM
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I've gained approximately 0.8 mpg over the course of 3 full tanks by switching to Shell 93 v-power. I was using Exxon and Shell 89 previously. About 90% of my driving is City driving.
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Old 11-09-2010, 01:34 AM
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well really what you think you get? What are you getting your mpg right now? let off gas dont shift above 3k and you should be fine. In town drive with od off.
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Old 11-09-2010, 01:46 AM
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Quote:
Originally Posted by moparmike07 View Post
let off gas dont let revs go above idle and you should be fine. In town drive with the engine off.


^^^^^^fixed it for ya....
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Old 11-09-2010, 11:40 AM
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My experience with any vehicle is to make sure everything is in good working order ie air filter is clean, front end aliment, ball joints are good, tire pressure and so on. If theres 5 things that are getting worn out that could reduce 2 mpg's. If everything is good, icOVERu suggested the next step you should look into.

I dropped $800.00 on those three things and got 3 mpg's better and when I the math it paid for it's self in less then a year. I also put 25,000 miles on a year so for me it was a good investment.
32gal x 13mpg = 416 miles
32gal x 16mpg = 512 miles
So at $2.60 a gal your saving 6.25gals on every fill up that equals $16.25 in savings.
I fill up every 3-4 days that is 91 fill ups a year at 4 days and a savings of $1482.00 a year !!!! Now that's just a estimation, even a savings of $600 a year at the pump is good in my book.
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