Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

6.9 engine problems

Old Apr 16, 2013 | 07:16 PM
  #11  
85LARIATWA's Avatar
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Thank you for the info on SCA I will be adding this to my coolant then!
 
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Old Apr 19, 2013 | 09:41 PM
  #12  
Hummin Cummins's Avatar
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Originally Posted by 85LARIATWA
I know this entry is kinda late but I'm a newbie, just say'in from experience that the cylinder walls have a habit of pitting in the 6.9, ended up doing a complete rebuild because of this however it's one of the tough ones.
This is the first that I have ever heard of a 6.9 pitting cylinder walls. 7.3's it was a common problem
 
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