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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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  #21  
Old 10-17-2011, 03:34 AM
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icywhite icywhite is offline
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ok guess ill jump in running a little late on the post but any way i had 3.55 open with the 5 speed with 17s steelies went to 06 20s and it went from a slug to a super slug so i changed to 4.56s with posi and have been running them for about 4yrs now and love them. they turn my 24s with no problem
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  #22  
Old 12-03-2011, 11:19 PM
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Hello All,
Could anyone tell me what I should expect to pay to install limited slip on a 2012 with from a ontario dealer? I thought it was included with the 3.92 gear.
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  #23  
Old 12-04-2011, 09:20 AM
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TheSatinPumpkin TheSatinPumpkin is offline
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I would contact your dealership yourself to get the most direct answer.
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  #24  
Old 12-07-2011, 10:41 PM
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yeah dont know much bout the rear end on the 12 but usely it is anywhere from 900 to 1500 depending on the shop but that is on 02-09 9 1/4 rear end
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  #25  
Old 12-21-2011, 03:15 AM
ssovereign311 ssovereign311 is offline
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I am looking into one of the new 2012 ram express 1500 quad cab 4x4. i cant find much about it. i have found that apparently it seems to only come with the 3.55 gears. this doesnt impress me much. i would really like the 3.92. i dont honestly know how big of a difference it is, can anyone give me any insite on this express and maybe how much difference in the pulling and fuel mileage theyre suppose to have. i see that the express is suppose to have upgraded shocks and what not. what is this truck set up to do? i have found them for 27k and some change. this seems awefully cheap for what is suppose to be an upgraded truck underneath. i am not at all worried about fancy shit inside, but if there is a big difference in something please let me know. thanks a lot for any help.
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  #26  
Old 12-22-2011, 04:59 PM
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Quote:
I am looking into one of the new 2012 ram express 1500 quad cab 4x4. i cant find much about it. i have found that apparently it seems to only come with the 3.55 gears. this doesnt impress me much. i would really like the 3.92. i dont honestly know how big of a difference it is, can anyone give me any insite on this express and maybe how much difference in the pulling and fuel mileage theyre suppose to have. i see that the express is suppose to have upgraded shocks and what not. what is this truck set up to do? i have found them for 27k and some change. this seems awefully cheap for what is suppose to be an upgraded truck underneath. i am not at all worried about fancy shit inside, but if there is a big difference in something please let me know. thanks a lot for any help.
You can get the express with 3.92, I know someone who did. If I was getting one, I'd get 3.92, but if you get 3.55 it's not horrible. My brother has a 3.55 express and it's still fast. Where did you read the express had better shocks and was "upgraded". This is definitely not the case. The express is the cheapo truck with a big engine and color matched fascias, it's basically an ST, base model with standard hemi and a few sporty upgrades. You can pay and upgrade some things, but only to an extent.
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  #27  
Old 03-25-2013, 08:42 PM
lbm4623 lbm4623 is offline
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I just picked up my new 2013 Outdoorsman 1500 quad w/ 5.7 hemi, 3.92 gears and 8 speed. Have less than 200 miles on it. Definitely scoots, as for mileage....really too early to tell, but averaging 14 right now. 8 Speed with dial shift is really different and takes some getting used to (traded in 2012 1500 bighorn).
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  #28  
Old 05-11-2013, 11:18 PM
Townsend Townsend is offline
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Ok so maybe some help to make a decision? I am looking to purchase a new 1500 crew.
I have a shot at a big horn edition with 3.55 and 30k 2010
or a 1500 express 2012 with 3.92 and 9k & 5.7 and crew. The 12 has less stuff on the inside like chrome accents and driver information center in the dash but basily the same. The 12 has a dual air scoop hood, i like this more but not sure which would be considered the "better" one. 3000.00 dif between the 2. so not a huge jump in price?
thoughts? advice? I like both hard to decide.
please feel free to give your opinion either way.
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  #29  
Old 05-23-2013, 07:00 PM
SI Integra SI Integra is offline
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I have an 02 4.7 with the 3.92 and an 03 5.7 with the 3.55.
Really hard to compare the two as my hemi is much stouter from the line and will definitly top end the 4.7.
I used to own an 02 4.7 with 3.73 gearing and it was just an all around turd.

Overall all I think its fair to conclude the 4.7 with a 3.92 is the way to go if you cannot go with a 5.7. I have yet to find anything I could not do with my 5.7 and 3.55 besides get better fuel economy. I cannot imagine a 5.7 with 3.92 or worse yet 4.10 gearing. I know most people do not buy trucks for fuel economy, but it still is frustrating sitting at the pump....
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  #30  
Old 05-24-2013, 06:03 AM
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Quote:
Originally Posted by Beta Project View Post
I just picked up a 2010 Ram 1500 Laramie with the 3.92 rear and I was originally worried about how my fuel mileage would be. I have only had it for 800 km's but in that period have averaged 13.8L/100km city and highway, far better than anticipated. I looked high and low for a truck with the 3.55 gears because I am on the road quite a bit for work. Definitley not dissappointed with the 3.92 gears and would be surprised if the 3.55 were that much better on fuel at all. The cylinder shutoff feature makes a huge difference and drops down to four at 120kmh. I am curious as to what numbers a 2010 with 3.55 is running... anyone?
I have 3.55 in my truck, average about 13L/100 kmh at 63 mph (100 kmh and about 19L/100km in the city. I wish it had the 3.92 though. truck arent designed for MPG, they are designed for their capabilities and power
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