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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #1  
Old 04-16-2011, 01:29 AM
tapout007 tapout007 is offline
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Default Better Mileage

Hey guys, new here and have been reading threads for the last 2 hours, and wanted to ask some questions. Due to gas prices i want to find a way to increase my mileage, without emptying my wallet. LOL

Here is what i have now..

2005 ram 1500 4.7, Torsion key leveling kit, 35" BFG all-terrains, Dick Cepek DC-1 wheels, and a single into dual flowmaster 40 series muffle with bent 2 1/4 pipes. Also i bought this cheap half azz cai from ebay for like 40 bucks, that is a 3" tube that goes into the big box on the throttle body with a cheap cone filter on the other end. And i replace the spark plugs with some cheap ones about 8 months ago.

So my questions are what kinds of things can i do to increase mileage? How much do they cost? how much of a gain will i see?

Programmers? chips? CAI? Trade it for a Yaris?
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Old 04-16-2011, 02:46 AM
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ramvan2500 ramvan2500 is offline
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Put some seafoam in the gasoline. You should also put some seafoam in the oil but do it 100 miles before you change the oil.

Use high quality fluids. Valvoline is what I use and love.
Change your PCV valve and Breather Filter.
Change your air filter.
Keep your throttle body clean as best you can.
Try driving without the air conditioner on as best you can.
Refrain from using cruse control cause I notice when it's on cruise you get 1-3 MPG's less then manual control of throttle.

If you have to drive someplace take the fast way, shorter doesn't always save you gas. Little math involved to sharpen this tip.

Make sure you take real good care of the Transmission and Differential. Change the gear oil and transmission fluid and transmission filter. The use of a lighter viscosity gear oil will help because it won't be as hard on the transmission when it comes to turning those gears.

Be sure to keep things clean and use quality fluids change filters and thats really all you can do on a cheap basis. I don't know of many other ways to improve MPG's
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Old 04-16-2011, 08:58 AM
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Honestly with that year 4.7L you probably can't do alot, my dad has one and no matter how he drives he can't beat 17mpg. Sounds like you already did what you can as far as intake and exhaust (although they aren't really cost effective) but a programmer would be the best bang for the buck, like a superchips of diablosport. Also, like ^ said, good maintenance, and slow down lol.
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Old 04-16-2011, 09:02 AM
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Cruise control helps mpg not hurts.....steadier cruising vs. slowing down slightly then re accelerating as you aren't as steady as a computer, only exception might be on hills as the engine will end up basically flooring it all the time.
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Old 04-16-2011, 09:17 AM
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I will probably look into the many DIY cai threads here and make my own, but if i did get a programmer what kind of performance and mileage gains am i looking at?
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Old 04-16-2011, 02:30 PM
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well superchip's website is currently under construction but if I remember correctly the 05 4.7L gains about 20hp and 20ft lb, max, on 93 octane, might pick up 1mpg. The superchips for my 2010 4.7L adds roughly 50hp and 50ft lb max on 93 octane, and I picked up about 1mpg, maybe slightly better. The only other tune I've tried is tow, I didn't like it. One of these days I'll try the 87 tune and mileage xs tune...I'd recommend not doing a diy cai, as most of the times people leave the filter open under the hood, and it will suck in hot air, and will actually decrease performance and mpg. I just installed a airaid jr kit mit tube, which replaces the stock ridged tube and resonator, I paid $99 shipped, that'd be your best investment as far as cheap intakes.
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Old 04-16-2011, 09:55 PM
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Quote:
Originally Posted by snrusnak View Post
Cruise control helps mpg not hurts.....steadier cruising vs. slowing down slightly then re accelerating as you aren't as steady as a computer, only exception might be on hills as the engine will end up basically flooring it all the time.
Some auto manufactures actually state that with cruse on you will suffer a very small amount of MPG. I'll give you my personal example, I have a car that will tell you what your current MPG is via LCD. I was driving from Florida to New Jersey and vice versa. When I drove it on cruse I would get 27 MPG but when I drove it without cruse I was actually getting 31 MPG. Now sure cars trucks differ, manufactures differ and so many variables involved just like you said up hill. But I could say there is very little that can be done to improve MPG. Only thing I will recommend again is you take real real good care of the truck and refrain from using cruse much.
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Old 04-16-2011, 10:23 PM
tapout007 tapout007 is offline
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So lets say i do get a superchips, and it gives me 20hp and 20 tq. is this enough of a gain that you would be able to feel it?

My biggest fear is that i spend 300 bucks, and dont see any differences
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Old 04-17-2011, 12:24 AM
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Yes you would definitely notice a programmer. Generally, you can notice 5-10hp gains, but have to pay attention (I just put an intake on my truck that is supposed to add I think 5-10hp and I noticed it slightly, but someone who didn't know I put it on may not notice). 20 hp is alot of gain from a tuner, plus you will most definitely notice the shifting changes in the transmission, that's one of the best features. I believe the superchips you would need is # 3865, and direct from superchips shipped would be $360 plus tax. A programmer is the best bang for your buck in all categories(mpg and performance) and it is easily and quickly reversible. It is my opinion also that it prolongs the life of the transmission(assuming you drive normal) since it firms up shifts. Majority of people say before and after is like night and day on a programmer.
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Old 04-17-2011, 12:33 AM
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Just wanted to add to the argument that programmers are best bang for the buck....say an intake and exhaust adds 20hp, you'd think this is the same gain as a tuner, but it's not, because that's probably the gain at peak power rpm, and it might only add 2hp from 2000-4000rpm, whereas the tuner will add 20hp at all rpm's from 2000rpm to 4000rpm, and 15hp from 4000rpm to 6000rpm... just an example, guestimates lol... I've seen superchip's dyno for my truck and it adds 50hp at around 3000-4000rpms or so, I'd rather have the gain there, where I use it more often, than at 6000rpms, where I rarely use it and don't normally need it.
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