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6.8 and 7.3 transmission

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Old Oct 14, 2017 | 10:18 PM
  #1  
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6.8 and 7.3 transmission

i got my blown up 6.8 that im taking parts off of. i believe the transmissions are the same? 4r100 on both right?

would be nice to recover some money out of this thing
 
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Old Oct 15, 2017 | 07:35 AM
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4r100 yes, diesel bellhousing won't fit V10 and visa versa.
 
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Old Oct 15, 2017 | 10:40 AM
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Some internals are different as well for the higher torque 7.3.
 
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Old Oct 15, 2017 | 09:23 PM
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Isn't the 6.0 trans bolt pattern the same as 6.8?
 
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Old Oct 16, 2017 | 07:21 AM
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Yes, it is. It's same pattern as the 4.6L, too. How is any of this relevant to the question that was asked?
 
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Old Oct 16, 2017 | 07:53 AM
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I assumed OP wanted to recover $ for a 6.8L transmission. He asked if it would fit a 7.3. It will not so I mentioned the 6.0 has same bolt pattern. So he would know it would fit the 6.0 too. Plus the 5.4 and 4.6.

Being modular bolt pattern it may even fit alot of modular fords, I don't know.
 
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Old Oct 16, 2017 | 10:03 AM
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It will physically bolt to a 6.0L, but Ford never offered a 6.0L/4R100. So it would take a lot of inventing to make it work. While it will bolt to a 4.6L, the 6.8L has too much torque capacity. Shifts will be beyond firm.
 
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Old Oct 16, 2017 | 01:30 PM
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so its not worth it to pull the trans out of the 6.8 gasser? just trying to recoup some money.

oh well, hopefully someone buys it for the parts or its just gonna get donated.
 
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Old Oct 20, 2017 | 07:40 AM
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I had to buy a trans for a 6.8 once. It is worth pulling and selling if you looking to get some cash back out of it.
 
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Old Feb 24, 2024 | 11:04 PM
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Looking for engines that might be adaptive to a 4r100 1999 f250 with 7.3 in it just for a backup

Originally Posted by marshun
i got my blown up 6.8 that im taking parts off of. i believe the transmissions are the same? 4r100 on both right?

would be nice to recover some money out of this thing
Hi Tyler Dunn here I had a backup 7.3 engine my son talked me out of so I’m either going gas or back with diesel I have a 19991/2 f250 7.3 4r100 with373 rear just wanting to know what you guys would do my gut say 7.3 but I’m open to suggestions because of emissions are going to stop the diesel eventually any thoughts.
 
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Old Feb 25, 2024 | 06:54 PM
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Originally Posted by Tyler Dunn
Hi Tyler Dunn here I had a backup 7.3 engine my son talked me out of so I’m either going gas or back with diesel I have a 19991/2 f250 7.3 4r100 with373 rear just wanting to know what you guys would do my gut say 7.3 but I’m open to suggestions because of emissions are going to stop the diesel eventually any thoughts.
this post is from 2017
and you let your son tell you diesels won’t be around because of emissions? Are you in Cali? Cause the excursion is smog exempt lol
 
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