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Old 10-02-2013, 01:21 PM
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brandonjansen brandonjansen is online now
Lifted Cummins Fanatic


 
Join Date: Feb 2013
Location: Abbotsford, BC, Canada
Age: 22
Posts: 6,007
Gender: Male
Vehicle: 2012 Dodge Ram 3500 CCSB 4x4
Trim Level: Laramie Limited
Color: Mineral Grey Metallic
Engine: 2011-20?? 409ci (6.7L) Cummins Turbo Diesel 350hp 800lb/ft
Rep Power: 8
Rep:1990
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My personal opinion is that if you have the need or want to step up to an HD truck, get a Cummins. Don't even mess around with a gas engine. The Cummins will pull 10 times better when you need it to and is simply way cooler.

I agree that it's BS that you can only get 3.42 gears in the new Cummins. I'm not sure why Ram has made that the only option. I have 3.73's in my '12 Cummins and they work great right now with the stock wheels and tires, I can see them being okay with 35's. But when I jump up to 37's or 38's 4.10's would be nicer to have.
There is quite a long break in time with a Cummins engine; my manual says 10,000km (6000 miles). So that definitely would be a small issue. As far as the turbo lag goes, that's pretty typical with any turbo'd engine.... you can't expect to get boost right off the line without spooling it up. The emissions equipment definitely does bog down the engine and lower the fuel mileage.... that's why so many guys delete. But from what I've heard the '13's with the DEF system are getting a lot better mileage than the previous Cummins with the DPF filter. I'm currently getting around 15.5 mpg in my '12 Cummins that's not even broken in and not deleted yet. Once deleted I expect to be up around 22 mpg. My Uncle who has a stock '13 Cummins is getting about 21 mpg already and that's mainly city driving.
As far as your statement about CAI and exhaust being easy bolt ons, that's not entirely true in a Cummins; especially a '13+ Cummins. We'll start with the exhaust... that is in no way an easy bolt on at all. If you want to change the exhaust, you're deleting. So now you need a delete pipe or full turbo back exhaust and a tuner. At the moment none of that is available for a '13+ Cummins. A '13+ Cummins also has the active air intake so that's not something you really want to change either. You aren't going to notice any gains out of it anyway.... A drop in filter would be your best bet there. Putting in a drop in and removing the air intake baffle will help the turbo spool up a little bit faster as well.

If you think about the cost of the Cummins in the long run, paying the $8000 is not a bad deal at all. A Cummins will last 4 times as long as a hemi. You'll be wearing out the truck long before you wear out the engine. So you have to take that into consideration as well.
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2012 Ram 3500 Laramie Limited Cummins Build Thread
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Guide to Leveling & Wheel and Tire Sizing for 06+ 4wd Ram 1500's
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