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-   -   Eco boost vs. new dodge 1500 diesel (http://www.f150forum.com/f70/eco-boost-vs-new-dodge-1500-diesel-222138/)

TonyG_FX4 08-12-2013 12:24 AM

Dont know if It was mentioned in the thread, but your forgetting the newer f150's are going to have the aluminum body which will make the curb weight about 1000lbs less. A 1000lbs less truck weight plus the ecoboost screams winner all around.

CoreyMS 08-12-2013 12:26 AM

The def usage is a must, unless ram pays the fine. Tier 4 final was here in 2012, on hwy. Its not that bad, but its something else to buy. My previous service truck had it I had to put in about 10 gallons for every 900-1000 gallons of diesel. And that is a much much larger engine. They sale it at the pump at some of the larger truck stops but as a company its cheeper to buy it in barrels. At the pump its like 2.50-3.00 a gallon. I've seen it a whole lot higher in jugs.

Kollle 08-12-2013 12:42 PM

Quote:

Originally Posted by engineermike (Post 2896310)
If that turns out to be the case, I'll be impressed, but the question becomes...are you willing to sacrifice 125 hp to get 8 mpg...?

125 hp deficit at redline. How much is the deficit at 1500 rpm, 2000 rpm, 2500 rpm, 3000 rpm, 3500 rpm or 4000 rpm?

Towing 8,000 pounds up a hill in an ecoboost f150, you wouldn't be doing 6000 rpm, or 5000 rpm, or even 4000 rpm.

Quote:

Originally Posted by sterlingone (Post 2896696)
I know what you mean...a

F...ix
I...t
A..gain
T..ony.........engine with over 20 to 1 compression -- what could possibly go wrong???!!

2014 Grand Cherokee 3.0 Ecodiesel specs
Compression Ratio................15.5:1
Power (est.) (SAE J2723)......240 hp (179 kW) at 3,600 rpm
Torque (est.) (SAE J2723).....420 lb.-ft. (569 Nm) at 2,000 rpm
Max. Engine Speed...............4,800 rpm (electronically limited)
Fuel Requirement..................Ultra Low-sulfur diesel
Oil Capacity.........................8.2 qt. (7.8 liter)
Coolant Capacity..................12 qt. (11.4 liter)
Emission Controls Cooled EGR, Oxidation catalyst, Diesel particulate filter, SCR w/urea injection

2014 Ram 1500 Ecodiesel specs
Oil Capacity 8 qt.
Coolant Capacity 11.6 qt.
Quote:

Originally Posted by Alcoloco (Post 2897618)
0 to 60 was 7.8 seconds and the quarter mile was 16.0 seconds at 83.3 mph. It didn't mention what ratio rear end it had but I would think it was around 3.55. Not sure what difference the 3.92 ratio would do with those times. From what I have been reading the Ram mpg rating should be anywhere between 25 and 28 mpg, but no official word yet. The max torque is also at around the 2000 rpm mark.

Grand Cherokee rear end is 3.45, but there won't be 3.92 for the RAM. I guess 3.21 and 3.55 only.

my67falcon 08-12-2013 02:01 PM

about 20 years ago Ford started using the International 7.3L "Power Stroke" with 210 hp and 425 lb-ft of torque, beating out the Cummins 5.9L (175 hp/420 lb-ft tq) and the GM's 6.5L (180 hp and 360 lb-ft tq). Now we see a 3L turbo diesel making 240 hp/420 lb-ft tq. I'm impressed and see great things for the future.

Ssls6 08-12-2013 02:29 PM

Quote:

Originally Posted by Kollle (Post 2899066)
125 hp deficit at redline. How much is the deficit at 1500 rpm, 2000 rpm, 2500 rpm, 3000 rpm, 3500 rpm or 4000 rpm?

Doesn't work that way. Based on the specs

@ 1500rpm the diesel probably has more HP than the Eco
@ 2000rpm both would be the same
@ 2500rpm both would be the same
@ 3000rpm both would be the same
@ 3500rpm eco has more HP than diesel (probably past diesel's redline)
@ 4000rpm eco has more HP than diesel (probably past diesel's redline)

HP = RPM * Torque / 5252

The diesel is reported to be 420 ft-lbs and if it is like most diesels then it will be there at even 1500rpm. The deficit comes from the lack of redline.

chadhargis 08-12-2013 03:36 PM

I'd love to have a diesel F-150. DEF (aka Urea or Ad-Blue) is a no brainer. It's as simple as adding windshield washer fluid.

I'd love to get decent mileage in a pickup. I've owned two diesel Jeeps, a Liberty and a Grand Cherokee. Both were simply awesome engines. I had them both tuned. The 3.0L in my GC dynoed at 440lb/ft at 1600rpm. Holy hell it was awesome. Add to that the 25mpg I got with it and I was in heaven. The Mercedes ML320 (same motor...different tranny) could ring up 30mpg thanks to a couple of extra cogs over the 5 speed in the GC.

The little VM Motori beast in my Liberty used to like to tear out stock torque converters. I bought one from Suncoast and solved that issue. The guy who bought that Jeep from my drove it across country and averaged over 30mpg in a 4WD Jeep.

Most truck owners don't race, most don't tow more than a couple thousand pounds, and only a small minority carry heavy loads in the bed. Yeah, there are exceptions, and that's why there are other engine choices...but for goodness sake...wake up and bring a small diesel to the lineup. Just look at VW...they sell every TDI they put on the lot with little to no discount (and in some cases, a markup). I had one of those too. It was really nice ringing up 46mpg on the highway and 33mpg in town.

Joewee3.5 08-12-2013 04:29 PM

Chadhargis, didn't you have another name on here before? Another person had a diesel jeep with an aftermarket converter and always talked about the Ecoboost needing a converter. You the same person or coincidence?

Rob1334 08-12-2013 05:04 PM

Talked to the dodge dealer today about this new truck while a buddy bought a Dart.

Told me that they should hit the lot in Dec. or so. I said so where does it fit in? He said this is a mileage only type truck, andin a round about way told me it would be a pooch pulling anything and that if you want all the pulling power in the world to buy a Hemi. INSERT LAUGH HERE. He said the engine is not designed for doing real work and that is was built solely for the mileage game. Seeing the numbers I don't think it is even a consideration for most of our needs (except for city trucks). I was interested in test driving one just to see what a diesel in a 1/2 ton felt like, but after hearing a salesman even admit that it had the towing capability of the orange dodge dart my friend bought I think I will pass.

my67falcon 08-12-2013 05:13 PM

I'm not saying that the new Ram will be a power house but I do know that for the most part salesmen know a lot less than they think they do. Just sayin'

Alcoloco 08-12-2013 05:35 PM

Quote:

Originally Posted by my67falcon (Post 2899172)
about 20 years ago Ford started using the International 7.3L "Power Stroke" with 210 hp and 425 lb-ft of torque, beating out the Cummins 5.9L (175 hp/420 lb-ft tq) and the GM's 6.5L (180 hp and 360 lb-ft tq). Now we see a 3L turbo diesel making 240 hp/420 lb-ft tq. I'm impressed and see great things for the future.

This post might have some merit if we are talking about an HD truck, but a 375 hp, 850 torque diesel motor in a light duty pickup? The 3.0 is more than adequate for what it is intended to do.

I guess you could call it the future though, It packs the same wallop in half the displacement and is a ton lighter than the above engines.


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