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Powerstroke average service life

2K views 6 replies 5 participants last post by  mschn99 
#1 ·
I'm looking at a one owner 99 F-350 4X4 with 220,000 miles on the OD. What are these engines good for on average when taken reasonably good care of. This one had a new trans at 100,000 just because warranty would cover it. Any input would be appreciated. Thanks. FNG
 
#5 ·
no matter what oil is used, synthetic, dyno, or blend, the service life is DIRECTLY related to how often the fluids are changed. I would expect 4-500k out of most well taken care of 7.3's.......300k minimum and ive seen some pushing a million miles (960,000 miles).....
 
#7 ·
Honestly im not convinced that ist nessesaraly something your average joe needs, but there is nothing wrong with extra filtration and better flow.....its a great idea, im just not sold on the idea that someone thats not going for huge performance can benifit a lot from it....
 
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