Differences in the 7.3 engine
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Post Fiend
Joined: Mar 2007
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From: Texas
Differences in the 7.3 engine
I thought this was interesting so I thought I'd share. http://www.fordtechservice.dealercon...es/52S01F0.pdf
It has several places in there that detail differences in these motors for different year models, and gives the serial number cut off for each one.
I also played around with the web address a little and came up with a directory listing here http://www.fordtechservice.dealercon...atabase/files/
My internet connection is too slow to open all the pdf's, so if you find other useful links, please post them here and I'll save a copy of those too.
It has several places in there that detail differences in these motors for different year models, and gives the serial number cut off for each one.
I also played around with the web address a little and came up with a directory listing here http://www.fordtechservice.dealercon...atabase/files/
My internet connection is too slow to open all the pdf's, so if you find other useful links, please post them here and I'll save a copy of those too.
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Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
What I thought was more interesting was they discussed dusting and said one of the common causes was a poor fitting air filter. We all know the factory air box is less than desirable. Looks like Ford might be kind of admitting similar info.
Post Fiend
Joined: Sep 2003
Posts: 6,096
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From: Mesa AZ
More importantly, why would that comment even be in there? Almost as if to train the service techs with methods to claim it was owner neglect that caused certain engine failures.
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Post Fiend
Joined: Mar 2007
Posts: 26,966
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From: Texas
Yeah, I just saw that myself. Did you see the note on page 62 about which rod is likely to break if hydrolocked due to water ingestion? How does the CAC system make #4 more prone than any others? And why is #5 most vulnerable on non-CAC models? I can't figure that one out ...
More importantly, why would that comment even be in there? Almost as if to train the service techs with methods to claim it was owner neglect that caused certain engine failures.
More importantly, why would that comment even be in there? Almost as if to train the service techs with methods to claim it was owner neglect that caused certain engine failures.
If you stare at the spider and follow the air intake path through the intercooler, you can picture how water would flow over to the driver side bank coming out of the CAC pipe. On the older trucks, it would dump into the passenger side first since there was no momentum to carry it over to the driver side. Both cylinders they call out are near center, so I'm guessing that's the reasoning.
wellhead
Joined: Mar 2007
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From: Russellville, Arkansas
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Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 27
From: Mesa AZ
I did see that part and thought it was interesting too. I wasn't as concerned as it being a way for techs to deny warranty coverage since that didn't really become too big of an issue until folks started chipping the 6.0. My only guess is it has to do with the way the spider directs air (or water) flow into the intake manifold compared to the non-cac engines.
If you stare at the spider and follow the air intake path through the intercooler, you can picture how water would flow over to the driver side bank coming out of the CAC pipe. On the older trucks, it would dump into the passenger side first since there was no momentum to carry it over to the driver side. Both cylinders they call out are near center, so I'm guessing that's the reasoning.
If you stare at the spider and follow the air intake path through the intercooler, you can picture how water would flow over to the driver side bank coming out of the CAC pipe. On the older trucks, it would dump into the passenger side first since there was no momentum to carry it over to the driver side. Both cylinders they call out are near center, so I'm guessing that's the reasoning.
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