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Old June 2nd, 2010, 03:28 PM   #1
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Default Fords new diesel

Any news on the new super duty diesel?

Any inside info. on wether it will be any better than the last 2 motors they sold everyone?
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Old June 2nd, 2010, 03:30 PM   #2
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Heard they were bring the 7.3 back
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Old June 2nd, 2010, 03:38 PM   #3
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fords new 6.7L powerstroke puts out 390 HP with 735 Ft-lbs of torque. But. gm still kicks it's ass with the 2011 6.6L duramax with 397 HP and 765 ft-lbs of torque. and dodge still in the stone age only boasts 350 HP and 650 ft-lbs.
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Old June 2nd, 2010, 03:50 PM   #4
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Dodge may be in the stone age but that Cummins engine has been one of the more reliable diesel engines used in Light/Medium Duty trucks.
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Old June 2nd, 2010, 03:52 PM   #5
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Originally Posted by Kodiak450r View Post
fords new 6.7L powerstroke puts out 390 HP with 735 Ft-lbs of torque. But. gm still kicks it's ass with the 2011 6.6L duramax with 397 HP and 765 ft-lbs of torque. and dodge still in the stone age only boasts 350 HP and 650 ft-lbs.
I am not real concerned about "advertised" hp & tq #'s.

Will the ford be reliable anough to drive without a cell phone in hand, that's the question .

ps My "stone age" dodge only made 180hp and 400tq from the factory. I think I am a little higher than that now.
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Old June 2nd, 2010, 03:53 PM   #6
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Any news on the new super duty diesel?

Any inside info. on wether it will be any better than the last 2 motors they sold everyone?
I hope it's better, they won't have anyone else to blame now that it's made "in house".
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Old June 2nd, 2010, 04:47 PM   #7
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the 2009-10 6.4 was very reliable. they just had crappy mileage because of the emissions crap forcing them to run to cool. new 6.7 with the dpf runs hot like a diesels supposed too.
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Old June 2nd, 2010, 05:17 PM   #8
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the 2009-10 6.4 was very reliable. they just had crappy mileage because of the emissions crap forcing them to run to cool. new 6.7 with the dpf runs hot like a diesels supposed too.
Please explain your philosophy (sp?) of this? I thought a diesel liked to run cool, but the turbo likes to run hot???

I do know what you are saying about the emissions stuff holding them back though.


Do all of the newer diesel egr systems work simular to that of a 6.0? The 6.0 is about the only one I am firmiliar with.
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Old June 2nd, 2010, 05:45 PM   #9
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Do all of the newer diesel egr systems work simular to that of a 6.0? The 6.0 is about the only one I am firmiliar with.
It's similar in concept on other engines, but on the 6.0, the specific implementation is poor (size of cooler, other issues), leading to problems.
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Old June 2nd, 2010, 07:35 PM   #10
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i respect they are building them in house, anyone else gonna do that too?
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Old June 2nd, 2010, 07:45 PM   #11
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Have fun with the exhaust fluid.
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Old June 2nd, 2010, 07:55 PM   #12
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Quote:
Originally Posted by broken2wd View Post
the 2009-10 6.4 was very reliable. they just had crappy mileage because of the emissions crap forcing them to run to cool. new 6.7 with the dpf runs hot like a diesels supposed too.
Diesel exhaust likes to run around 600 C MAX when pulling a huge load, otherwise, it will run closer to 300 C.

The DPF requires additional fuel to be burned to elevate the exhaust gas temp to ignite trapped particulates (smoke for those of you that think smoke = power). That's the only time the exhaust runs that hot unless heavily loaded.

You, Sir, are wrong in your theory. 2009-10 6.4L had a DPF; what the reason now?
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Old June 2nd, 2010, 07:55 PM   #13
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Have fun with the exhaust fluid.
Why is everyone getting so hung up on that? Just buy the fluid and put it in every few months. It helps a ton with emissions without putting restrictions in the exhaust like the DPF. What's the problem with that?
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Old June 2nd, 2010, 08:01 PM   #14
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I'll say this about that, with the new emission standards the GM and Ford diesels should see an increase fuel economy and engine oil life - IF driven a way a diesel should be.

From what I heard about the 6.7 is they "borrowed" the canceled GM mini-max (4.5) design (intake, turbo, exhaust in the valley) and are using the bosch fuel injection system similar to the d-max.

Now the DEF issue has yet to be determined here in the US, but it has been used with great success in Europe. Only issue I see is peeps trying to cheat and hosing up the whole exhaust aftertreatment system.

Another thing for you diesel owners out there - if you run bio-diesel higher than B5 make damn sure it's fresh and made to the new ISO B20 spec at the very least. From what I've seen cheap bio will F#$k your fuel system.
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Old June 2nd, 2010, 08:03 PM   #15
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Why is everyone getting so hung up on that? Just buy the fluid and put it in every few months. It helps a ton with emissions without putting restrictions in the exhaust like the DPF. What's the problem with that?
Problem is, DEF / Diesel Emissions Fluid / Urea, is for selective catalytic reduction and used for NOx reduction, i.e. A DPF IS STILL USED to filter particulates (DPF = Diesel Particulate Filter).

Also, the SCR / Urea system uses a couple of mixing devices to atomize the urea to increase the conversion efficiency of the SCR. The mixers are very restrictive and cause a significant pressure drop.

Next?
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Old June 2nd, 2010, 08:07 PM   #16
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Pressure drop in what?
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Old June 2nd, 2010, 08:09 PM   #17
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Quote:
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Why is everyone getting so hung up on that? Just buy the fluid and put it in every few months. It helps a ton with emissions without putting restrictions in the exhaust like the DPF. What's the problem with that?
IMHO, it is just one more thing to worry about and one more thing to cause problems, and one more system to fail. I prefer to keep things simple. But i understand that in this day and age simple is gone with the wind.

Other than that, i hear this motor has gone through more testing the all the previous models.
so maybe they got it right this time.
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Old June 2nd, 2010, 08:13 PM   #18
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Heard they were bring the 7.3 back
thats what they should do!!!!
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Old June 2nd, 2010, 08:15 PM   #19
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Pressure drop in what?
A pressure drop across the mixer, i.e. an increase in system backpressure. Sorry, forgot my target audience.
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Old June 2nd, 2010, 08:16 PM   #20
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And, these trucks are much more serviceable than earlier models.
ie: no more pulling the cab to pull a turbo. and the whole fuel system is more accessible.

So even if they did fukc this one up, it will be somewhat "less" of a pain in the ass to service.
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