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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old Mar 1, 2011 | 10:28 PM
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Hoots250D
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4wd Low
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blow by

1999 ford f-550, 7.3 L deisel seems to have blow by coming from some kind of box on left valve cover, has 180,000 miles. Looking to buy, is this a concern?
 
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Old Mar 2, 2011 | 07:04 AM
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Lazy K
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1999 - 2003 7.3L Power Stroke Diesel - Ford Truck Enthusiasts Forums Here is a link to the page for the 7.3 Power Stroke, maybe ask the guys there as your question is engine specific.
Blowby is never good but it may just be a crankcase vent problem but the guys on that other page should know.
Good luck.
 
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