2018 Ram

ShinerBock wrote:

FishOnOne wrote:


But they didn't add HP... Why not?

Technically they did add horsepower at whatever rpm they added more torque. They just didn't add more peak horsepower at higher rpms.

That is just the way it is at Cummins. Their emphasis is not on having the highest horsepower numbers. Other things like dependability, torque, and fuel economy are higher on the priority list than horsepower or being the fastest up a hill. That was the way it was when I worked there and I doubt it has changed much since.

For those that are more concerned about stock horsepower ratings or 0-60 times, I would encourage them to find another truck because you aren't going to find that in a stock Cummins. If things like fuel economy or a lot of non boosted low end torque is what you are looking for, then the Cummins is right up your alley. Different strokes for different folks, and you can't fault someone for having different priorities in a truck.

Although, given the last Ike run and PUTC 3/4 ton challenge, I will have to say that the 6.7L held its own even with it being down over 50 horsepower. It even beat one of those higher horsepower trucks in a few of those challenges.

So said another way average HP has been increased. With a new variable geometry turbo, increase boost pressure, and increase fuel flow, HP had to have increased somewhere.

FishOnOne wrote:

So said another way average HP has been increased. With a new variable geometry turbo, increase boost pressure, and increase fuel flow, HP had to have increased somewhere.

New turbo? I didn't read anything about a new turbo. The 6.7L Cummins has had the same HE351VE turbo since 2007. They just increased boost limits.

I believe stock is only around 28-30 psi or so max( not 100% on that) before which is rather conservative. In contrast, my 513 hp tune pushes max to around 38 psi. However, due to the size of the turbine housing, the turbo looses its breath and becomes inefficient at higher pressures causing high EGT's. The HE351VE was made for quick spool and efficiency at lower rpms, not to be a high horsepower turbo.


Yes, if you increase torque at a given rpm then you will increase horsepower at that rpm as well. If the previous was 900 lb-ft at 1,700 rpm, doing the math ( 900 x 1,700/ 5,252) it was previously making 291 hp at 1,700 rpm. Now with 930 lb-ft at 1,700 rpm, it is making 301 hp at 1,700 rpm.

ScottG wrote:
Waiting for 1K myself. :C

Yeah, no need to wait. I recently put down 587rwhp and 1210rwtq with just a tune and an intake on my 2015 F450....all emissions still intact and functioning. Granted, you cant tow heavy in that setting without continuous regens, but still impressive numbers with the stock emissions intact. Did it mostly just to see how close to 600hp one could get with the stock setup.

There are some amazing tuning options available out there now for these trucks. I'll still probably put this truck on a diet soon just to eliminate regens completely.

I don't get too excited about a few HP or TQ increase from the manufacturers unless they are changing hard parts like Ford did from 2014 to 2015. Any of the big 3 can and have tweaked their tuning to claim top numbers briefly.

^Yup.

Ram Boosts 3500's Tow Rating with Fifth-Wheel Option
August 11, 2017
SHARING TOOLS | PrintSubscribe
1
Photo of 2018 Ram 3500 courtesy of FCA.
Photo of 2018 Ram 3500 courtesy of FCA.
Ram has increased the towing capability of its 3500 Heavy Duty pickup for the 2018 model year by offering a fifth-wheel option that would boost the maximum trailer weight rating to 30,000 pounds, Fiat Chrysler has announced.

With the updated capability, the 2018 Ram 3500 would rival towing capabilities offered by Class 4 and 5 medium-duty trucks.

The increase has been enabled by a more powerful 6.7-liter Cummins turbo-diesel and a reconfigured design of the truck. Ram will offer the fifth-wheel as an upgrade through its Mopar Parts division (Part#: 82215769) or an upfit package. The part will retail for $1,395.

The boost adds more than 600 pounds of additional towing capability to a truck that offered 23,770 pounds of maximum trailer weight in 2017 with a traditional towing setup. The 2018 truck can tow 20,000 pounds with a traditional setup.

For 2018, Ram upgraded the truck's inline-six cylinder Cummins engine by increasing torque by 30 lb.-ft. to 930 lb.-ft. The higher torque was achieved through a variable geometry turbo and flow rate increases through the fuel delivery system, according to Ram.

"We understand the attributes most important to our customers within the heavy-duty segment; they demand hard-working, long-lasting capability," said Mike Manley, head of Jeep and Ram Brand.

The 2018 Ram 3500 will arrive at dealer lots this month.

Threebigfords wrote:

ScottG wrote:
Waiting for 1K myself. :C

Yeah, no need to wait. I recently put down 587rwhp and 1210rwtq with just a tune and an intake on my 2015 F450....all emissions still intact and functioning.

I would love to see the dyno chart on that and the tuner. Even my deleted 6.7L Powerstroke friends would have a hard time getting that much out of the 2015-2016 engines.

Guess i'd better look into trading in my '16 Ram CTD. 30 ft/lb more torque is gonna be so much more awesome. (Not).

Just drove past our local dodge dealer and the lot is loaded with trucks. Might be good deals on the 2016's that would be a great truck for their needs. All the power only works for the need of the owner. Probably the same for the other brands having their lot full.

chevman

minnow wrote:
Guess i'd better look into trading in my '16 Ram CTD. 30 ft/lb more torque is gonna be so much more awesome. (Not).

I was embarrassed to be seen driving mine being 65#' under the new ones. :o

ShinerBock wrote:

Threebigfords wrote:

ScottG wrote:
Waiting for 1K myself. :C

Yeah, no need to wait. I recently put down 587rwhp and 1210rwtq with just a tune and an intake on my 2015 F450....all emissions still intact and functioning.

I would love to see the dyno chart on that and the tuner. Even my deleted 6.7L Powerstroke friends would have a hard time getting that much out of the 2015-2016 engines.

Tell your friends to talk to Absolute Performance in Kenewick WA. That's all I'll say in an open forum.