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1997 F350 7.3 blow by

1K views 2 replies 3 participants last post by  00t444e 
#1 ·
My father in law has a 1997 7.3 with 312,000 miles on it. It's a long bed 4 door SRW. He bought the truck new in 1997. I was looking at buying it from him. It needs the front end worked on but not concerned about that. The main concern was the blow by I noticed. Here is a video of it. Is it really bad or about normal for this truck with the amount of mileage on it? Thanks.

Ok I planned to put a video up. Does anyone know how to?
 
#3 · (Edited)
Most 7.3s have a visible amount of blow by. As long as it doesn't blow the oil cap off when you do the blow by test then its fine. Also if the crankcase vent is plugged up that will cause excessive blow by .
 
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