PS 6.7 ?
Lead Driver
Joined: Feb 2022
Posts: 7,975
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Well, there are some exceptions, like that guy with a million miles on the DPF that Ford replaced for free because they wanted to examine the million mile filter, and the guy who got 900K miles out of his CP4, outlasted the lifters on the engine.
Ditto on Wool Wax. That stuff is awesome and wish it was around in 2003 when I got my first DRW. I applied some myself before winter to keep my new frame from getting anything on it. A powerwash in a few years and it will look like a brand new frame.
FTE Legend
Joined: Mar 2017
Posts: 31,891
Likes: 9,176
From: Western NY
I wonder if @senix 's Unicorn could have made that?
Cargo Master
Joined: Feb 2020
Posts: 2,277
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The CP4 should be a recall, and dealer install of the DCR. The engine design is horrible, just like other horrible designs some work okay and some not. They got a few things right on them and many things not so.
There is huge room for improvement, but that will not happen, they cut all the corners they could, saves the manufacture big bucks, and they never pass that down.
There is huge room for improvement, but that will not happen, they cut all the corners they could, saves the manufacture big bucks, and they never pass that down.
Thread Starter
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More Turbo
Joined: Nov 2007
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I'm not planning on being an instructor, the Utah expert can explain a few of them for ya. I'd rather Ford pay me for the information. 
Cargo Master
Joined: Jul 2011
Posts: 2,670
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From: Walpole, MA
It has been in production nearly as long as all the engine platforms under the power stroke name combined and was the first light duty pick up engine to break 400hp and 500hp thresholds .... it is obviously junk.
More Turbo
Joined: Oct 2023
Posts: 700
Likes: 478
I mean, we can pick apart any mass produced engine and say it could be built better... Its ultimately a consumer pickup truck engine and not a million mile semi engine. Hardly anyone is taking these engines past half a million miles before the truck its in is taken off the road for other reasons. They seem to live a good life for their application in light and medium duty. Its the stuff attached to them that takes them out early aside from the occasional assembly line mishap.
Cargo Master
Joined: Feb 2020
Posts: 2,277
Likes: 949
Good luck with that. Feel free to start your own engine manufacturer - I'm sure it would put Ford and Cummins out to pasture in short order. Utah Dave seems to know his stuff but what he complains about are what I would consider minor design changes that could be made to make the engine even more robust than it already is. The engine design is not "horrible". I can't speak to Ford's motivations for not implementing some of these changes. It probably involves the amount of capital required to do so, and for all we know they could be working on the gen 4 powerstroke.
Lead Driver
Joined: Feb 2022
Posts: 7,975
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Good luck with that. Feel free to start your own engine manufacturer - I'm sure it would put Ford and Cummins out to pasture in short order. Utah Dave seems to know his stuff but what he complains about are what I would consider minor design changes that could be made to make the engine even more robust than it already is. The engine design is not "horrible". I can't speak to Ford's motivations for not implementing some of these changes. It probably involves the amount of capital required to do so, and for all we know they could be working on the gen 4 powerstroke.
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FTE Legend
Joined: Mar 2017
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From: Western NY
Depending on what flavor is preferred here, here's the first... who would have guessed it? You mean Cummins have problems? Thought they were perfect...
I have plans to engage in this later but just thought id show how other brands have issues as well...
I have plans to engage in this later but just thought id show how other brands have issues as well...
FTE Legend
Joined: Mar 2017
Posts: 31,891
Likes: 9,176
From: Western NY
Now, I wonder if Bill Hewitt addresses or potentially addresses the main bearing issues he is seeing in 6.7s? Watch this video to the end and I believe it's possible with how Bill explains it. But again, I'm no expert and just read a lot and look into stuff. Looking for comments here...
Another thing to consider is this:
Last edited by Overkill2; Mar 19, 2025 at 09:51 AM. Reason: correct post -- add link
Hotshot
Joined: Oct 2015
Posts: 19,698
Likes: 12,825
From: Wyoming
Did Dave (at Dave's Auto Center) ever come out with an aftermarket pickup tube with a check valve in it? If that was available, would the upper oil pan have to be removed to make the switch?
There are a ton of fanboy comments in Dave's videos. Trying to find the comments that have actual technical content in them takes a while.
There are a ton of fanboy comments in Dave's videos. Trying to find the comments that have actual technical content in them takes a while.
FTE Legend
Joined: Mar 2017
Posts: 31,891
Likes: 9,176
From: Western NY
Did Dave (at Dave's Auto Center) ever come out with an aftermarket pickup tube with a check valve in it? If that was available, would the upper oil pan have to be removed to make the switch?
There are a ton of fanboy comments in Dave's videos. Trying to find the comments that have actual technical content in them takes a while.
There are a ton of fanboy comments in Dave's videos. Trying to find the comments that have actual technical content in them takes a while.
Hotshot
Joined: Oct 2015
Posts: 19,698
Likes: 12,825
From: Wyoming
I watched part 2, but that last few seconds were a non-reveal. So I'm wondering if he's still working on a part that can be purchased or if he's installing in-house.