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Best diesel 7.3L or 6.4 or 6.0

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  #31  
Old 05-23-2013, 06:23 AM
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Can someone tell me how to use a quote in my sig?

Sign In and then on left side, click on user CP. Scroll down to Edit Signature.
 
  #32  
Old 05-23-2013, 09:51 AM
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The transmissions in the newer trucks are becoming more and more enticing to me. It is becoming obvious that 4-speeds just don't keep up. Will it do the job, yes, but efficiency and power is greatly improved with more gears. I read an article recently that said that Ford and GM are working together to develop 10-speed transmissions for trucks - when that happens, our trucks are going to become even more obsolete.
 
  #33  
Old 05-23-2013, 10:16 AM
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Getting a little off topic but yes the transmission is something to think about too. I have had both the 5 and 6 speed Allisons and man they are so much better than the 4R100. I am sure the Ford 5 speed is a similar comparison.
 
  #34  
Old 05-23-2013, 10:23 AM
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Originally Posted by Studawg
Can someone tell me how to use a quote in my sig?
Yes... Find the quite you want and hit quote. You'll get redirected to the "reply to thread" page with the quote in the forum code ( [QU OTE =blah blah] "here's the quote" [/QU OTE] ). Copy that to your clipboard and go to edit sig and paste it there.
 
  #35  
Old 05-23-2013, 10:37 AM
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Originally Posted by Chipworkz
Getting a little off topic but yes the transmission is something to think about too. I have had both the 5 and 6 speed Allisons and man they are so much better than the 4R100. I am sure the Ford 5 speed is a similar comparison.
The transmissions in the 6.4 and 6.7 diesels is a lot tougher than the allison.
The allison does shift nice though, and can be built tough, but then again even the 4 sp trans can be built tough.

I think stock for stock, ford transmissions are the toughest for the last few years.
 
  #36  
Old 05-23-2013, 10:39 AM
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Question

Originally Posted by Snowseeker
I wouldn't touch anything that starts with a 6 with a 6 foot pole! Even 2010 threads. LOL
What are you going to do one day, when you can't buy a decent 7.3 truck any more?
 
  #37  
Old 05-23-2013, 12:07 PM
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Originally Posted by parkland
What are you going to do one day, when you can't buy a decent 7.3 truck any more?
By then the 6.7 should have taken over the 7.3 market.
 
  #38  
Old 05-23-2013, 01:13 PM
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While I stand by my 7.3 that I've owned for over 12 years and 376K, I'd look into a 2005 6.0 Excursion if mine for whatever reason got destroyed.

Here's why:

While the 6.0 doesn't have the reputation for reliability that the 7.3 does we've come a LONG way since the fall of 2002. In the 10 plus years since it's release: we now know the issues, the potential issues, as well as how to prevent and remedy them. This is why I wouldn't be afraid to get one as opposed to a 7.3

-The 6.0 was better designed and built to tow, epecially with the 5R110 behind it.

-The air management system allows for more precise and refined power across the RPMs and better fuel economy at times.

-With the 6.0 you get the towing technology that Ford developed without the DPF, DOC, SCR and you're STILL able to work on it yourself if something breaks. The 6.4 and 6.7 trucks don't allow for this, usually when something breaks, it's a trip to the dealer and $$$$$$$$$$$$ if you're out of warranty.

Here's what I would do if I needed to buy one (again if my 7.3 Excursion were totalled, destroyed):

-Blue fuel spring mod, keeps the fuel pressure above 45 PSI keeping the injectors happy

-Updated dummy plugs and stand pipes, prevents a crank, no start condition in the HPO system.

-Updated STC fitting, prevents a crank, no start condition, at the HPOP.

-Atlas 40 FICM, peace of mind knowing that the FICM is in good shape and the motor is making the power it was from the factory.

-Coolant flush with Rotella or CAT ELC then add a coolant filter, again peace of mind as far as the oil cooler and cooling system to prevent other issues.

-MAYBE an EGR delete, but since I'd be deep in the motor, it would be smart to do it.

(The above are assuming I found a truck with good ECT/EOT deltas and no issues.)

It'd be a weekend of work, but when everything was said and done:

-You wouldn't have to wonder or worry if certain maintenance items or preventative maintenance items were done.

-You know things were done right.

-You know you've done your part to make sure you're not sitting on the side of the road waiting for a tow truck.

Aside from the fluids and filters, that's what I'd do then enjoy the hell out of the truck for many miles and years to come.
 
  #39  
Old 05-23-2013, 02:03 PM
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Excellent post, Toreader...
I wouldn't be afraid to run a 6.0 like you described.

That is a great point, they come with nice transmissions, they make good power, and you don't have to worry about emissions issues and common rail.
 
  #40  
Old 05-23-2013, 02:24 PM
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Originally Posted by Toreador_Diesel
(The above are assuming I found a truck with good ECT/EOT deltas and no issues.)
Hate to sound stupid but what does this mean?
 
  #41  
Old 05-23-2013, 02:31 PM
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Engine oil temp and engine coolant temp. I'm thinking the delta is the stored maximum values recorded. Just a thought though, maybe he'll verify.

Edit: actually I've seen delta used before to stand for the difference between two values. Maybe that's what it is.
 
  #42  
Old 05-23-2013, 02:32 PM
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Originally Posted by th67ss
Hate to sound stupid but what does this mean?
Engine Coolant Temps and Engine Oil Temps, if there is a 15 or more degree delta between the two, the oil cooler is clogging and will need to be replaced with the EGR cooler.
 
  #43  
Old 05-23-2013, 02:35 PM
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I thought the oil cooler in my 6.4 was bad, but it turned out to be an airlock in the antifreeze.

These new trucks are not easy to figure out, even with a decent mechanic.
 
  #44  
Old 05-23-2013, 02:37 PM
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Originally Posted by Toreador_Diesel
Engine Coolant Temps and Engine Oil Temps, if there is a 15 or more degree delta between the two, the oil cooler is clogging and will need to be replaced with the EGR cooler.
Thanks, I knew it had to be something easy. I just couldn't figure out what you were talking about. It's been a long week!
 
  #45  
Old 05-23-2013, 02:48 PM
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agreed.

an 07 f250 lariat/king ranch would probably be the replacement if anything ever happened to old green.
 


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