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Old Feb 17, 2004 | 08:37 PM
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Blow By question

I drove a 97 F350 7.3 for about a year and a half and fell in love with the PowerStroke.

I just bought MY 1st diesel today. 99 F250 SD Crew Cab 7.3l. It only has 86K miles and is really clean. Doesn't appear to ever have a 5th wheel attached.

I was told to check the Blow By by taking the cap off the oil intake under the hood while the engine is running warm.

If I notice a considerable amount of smoke is this a major problem?

I'm new here so go easy on me. I've been reading around the different forums and couldn't find anything definitive.

Thanks for any help,

Rob
 
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Old Feb 18, 2004 | 07:35 AM
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Some blow by is normal for diesels. 17.5:1 compression ratio creates alot of cylinder pressure.
 
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