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3.0 PowerStroke diesel specs

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Old 01-07-2018, 03:01 PM
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Originally Posted by CityHunter
I've always liked diesels. I like the sound; I like the smell; I like the engineering that goes into them. I won't be purchasing one of these new 3.0 PS trucks, but I can see the appeal for those who just like diesels.

I'm seeing a lot of comments indicating financial justification is the sole influencer of purchasing decisions, and that this must surely signal the demise of the 3.0 PS before it has even been released. Some of these comments are coming from owners of $70k decked out Limiteds with massaging seats. I wonder what kind of ROI they're getting on that feature? ; >

The point is people will buy what they like, regardless of whether it makes the most financial sense. I have a feeling the F-150 Power Stroke is going to do just fine, and will likely become pretty popular here once we start seeing owners post pictures and write-ups. I'm looking forward to seeing this option in the F-150 lineup.
I personally think that these diesels will be all over every construction site around the country. Majority of driving is slow, need torque, lots of idling. Don’t diesels idle more efficiently? Anyways, I think Ford knows what it’s doing, and I’m looking forward to seeing their new ideas
Old 01-07-2018, 03:07 PM
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Interesting. I have a 2018 HDPP F150 with the 3.5 EB. Not sure why'd I'd choose the diesel over gas given the same chassis. I'd expect a higher payload with the gas motor. The gas motor makes plenty at 375/470 and tows my 8500 lb trailer very well.

Higher up front and maintenance costs but better fuel mileage might not be enough to sway me. Might be a better choice in the non-HDPP truck. Now if it had been a 5.0 liter and delivered 350/600 I'd be all over it. Unless Ford did what Nissan did and made the Titan with a **** payload. I want to see 2300+ payload worst case.

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Old 01-07-2018, 03:20 PM
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Originally Posted by baxzilla
Yeah we're close the difference is rpm. The 7.3 hit it's max torque at 1600 rpm. I know the ecos can't do that....sadly.
My 3.5 EB doesn't need to go past 3500prm to pull 8000lbs up a 6% grade. It runs in the 2-3500 RPM range all the time while towing, 9th and 10 gear locked out. It not like we're revving the **** out of these motors.

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Old 01-07-2018, 03:21 PM
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Originally Posted by TomD
I think you meant to say "You need torque to get up a hill with a trailer"...those middle of the night posts have caused me to be a little confused...perhaps you too.
I meant hp. Hp is analogous to the torque you send to the tire which is ultimately what matters. If you have two engines with 200 hp, one at 2000 rpm and one at 10000 rpm, the 2000 rpm makes 525 ft lbs and the 10000 rpm makes 105 ft lbs. in order for the two motors to be traveling the same mph the 10000rpm one needs 5x the gear reduction. 5x105ft lbs is 525 ft lbs, same as the 2000 rpm motor.

You can have a ton to torque, but if you don’t have a lot of hp too you will be moving slow. Hp is made by combining torque and rpm. Diesels don’t have good hp compared to an equal size turbo gas motor because they are RPM limited and the fuel burns too slowly to create torque well after 3000 rpm.

Originally Posted by CityHunter
I've always liked diesels. I like the sound; I like the smell; I like the engineering that goes into them. I won't be purchasing one of these new 3.0 PS trucks, but I can see the appeal for those who just like diesels.

I'm seeing a lot of comments indicating financial justification is the sole influencer of purchasing decisions, and that this must surely signal the demise of the 3.0 PS before it has even been released. Some of these comments are coming from owners of $70k decked out Limiteds with massaging seats. I wonder what kind of ROI they're getting on that feature? ; >

The point is people will buy what they like, regardless of whether it makes the most financial sense. I have a feeling the F-150 Power Stroke is going to do just fine, and will likely become pretty popular here once we start seeing owners post pictures and write-ups. I'm looking forward to seeing this option in the F-150 lineup.
They will sell because they are diesel. It doesn’t need to make financial or functional sense, it’s just that it’s diesel.
Old 01-07-2018, 03:45 PM
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Originally Posted by mass-hole
You can have a ton to torque, but if you don’t have a lot of hp too you will be moving slow. Hp is made by combining torque and rpm. Diesels don’t have good hp compared to an equal size turbo gas motor because they are RPM limited and the fuel burns too slowly to create torque well after 3000 rpm.

The engineers at Audi would like to differ with your statement...

https://en.wikipedia.org/wiki/Audi_R10_TDI
Old 01-07-2018, 05:17 PM
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I can tell you if the f150 psd gets anywhere near the mpg of a eco diesel you will see lots of ecoboost guys that were sold on and had the misconception of the twin turbo v6 getting great mpg swap over to the f150 psd. I know lots of people that are upset with thier current mpg. Most say yeah it hauls ***.. tows good.. and drives like a sports car but it gets terrible mpg.

I will be giving the it a hard look next go round.
Old 01-07-2018, 07:46 PM
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Originally Posted by gone postal
The engineers at Audi would like to differ with your statement...

https://en.wikipedia.org/wiki/Audi_R10_TDI
Wow, great example. A hand built race motor on race specific super high cetane diesel fuel. Let me know when they put that in a road going truck.

And actually, that’s a perfect example, a 5.5 L with twin turbos that makes 700 hp. A twin turbo coyote makes that and is found in everyday street cars and trucks

Last edited by mass-hole; 01-07-2018 at 07:51 PM.
Old 01-07-2018, 07:50 PM
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Originally Posted by mass-hole
Wow, great example. A hand built race motor on race specific super high cetane diesel fuel. Let me know when they put that in a road going truck.
It's one example, there have been many diesel racecars, mostly in endurance racing as the additional weight penalty is offset by the increased efficiency and longer time between refuelings.

The Audi was the most recent example, for others:

https://cumminsengines.com/cummins-indy-racing-heritage
Old 01-07-2018, 07:54 PM
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Originally Posted by mass-hole

And actually, that’s a perfect example, a 5.5 L with twin turbos that makes 700 hp. A twin turbo coyote makes that and is found in everyday street cars and trucks
Which production car gets a twin turbo coyote, and let's see that tuner special run for 24 hours straight at full song at LeMans.
Old 01-08-2018, 02:55 AM
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Originally Posted by svenny
I personally think that these diesels will be all over every construction site around the country. Majority of driving is slow, need torque, lots of idling. Don’t diesels idle more efficiently? Anyways, I think Ford knows what it’s doing, and I’m looking forward to seeing their new ideas
Not anymore they don't. Long idle times and slow speed use are the cryptonite of modern diesel engines.

If you constantly idle a modern emissions compliant diesel you will end up with clogged egr coolers, clogged DPF filters and repeated trips to the dealership. AKA downtime. New diesels need to be worked hard to keep the emissions systems happy. EG hauling a load at highway speeds.

This is why many contractors and utility companies are now starting to replace their diesel pickups with gas trucks. Diesel trucks are no longer the most reliable choice under those conditions.

Letting the engine idle for long periods of time is literally the worst thing you can do to a new diesel short of intentionally trying to damage it.


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