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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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  #11  
Old 07-21-2010, 11:37 PM
Truckkid42 Truckkid42 is offline
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looking at the super chips, it doesn't say anything about better fuel milage, will i get better milage??? if so, how much?
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Old 07-22-2010, 12:40 AM
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I got a couple mpg more on the highway. It was like 2 mpg better on my 2002. I never tried the economy setting. I slays had it on 91 octane. Then I put 4.56 gears and gained some in town. Don't remember how much better. Also did good on the highway at 65. Any higher and mpg Would go down. Acceleration is a lot better and it holds speeds on hills.
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  #13  
Old 07-22-2010, 08:17 AM
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Quote:
Originally Posted by 4pnt7 View Post
I didn't compare them to anything. He stated he has a 4x4. Sorry for the confusion.

Super chips 3865 would be your best bet for a tuner.
Oh, ok. My bad. I think if he doesn mainly in town driving that gears would help but they would hurt overall economy if he spends a lot of time at highway speed. The big 3 will help all the time and that's why I think they're the best bang for the buck.
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Old 08-14-2010, 11:48 AM
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I'm with almost everyone else in here. One thing though, is that not everyone see's the same results, MPG wise, from the CAI's and exhaust. Gears would be a wise investment, but I believe you would be paying anywhere from $200-$400 for new gears.
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Old 02-12-2015, 10:25 AM
BryGuy BryGuy is offline
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Default Help....GEARS !

Quote:
Originally Posted by 4pnt7 View Post
I got a couple mpg more on the highway. It was like 2 mpg better on my 2002. I never tried the economy setting. I slays had it on 91 octane. Then I put 4.56 gears and gained some in town. Don't remember how much better. Also did good on the highway at 65. Any higher and mpg Would go down. Acceleration is a lot better and it holds speeds on hills.
I have a 2002 4X4 and want 4:56 gears, can you or anyone tell me where to purchase and how much to install.
Thanks in advance, B
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Old 02-19-2015, 02:34 PM
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yes A tuner, exhaust, and cold air intake will help a good bit. gears are another thing to look into. I have a 02 4.7 and its all stock and the best I've ever got was 22mpg @ 65mph with 3:92 gears. Another good mod i just put on is the Sonnax Line pressure booster. You plug it into the plug on the transmission by the cat and it tricks the computer into thinking the pressure is low thus raising the pressure by 10-30 PSI. It runs about $42-$58 online. It is mainly to firm up shifts, which it does very well. down shifting, throttle response and brake response all seem 10x better. Hope i helped some.
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Old 02-19-2015, 04:32 PM
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How long have you been running the Sonnax booster.
I was under the impression you have to dis-connect the battery every once in awhile to keep the putor from learning to compensate for it over time
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