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  #1  
Old 08-25-2005, 09:45 PM
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no more oil in the air filter

I switched to shell rotella synthetic a few weeks back and i changed my oilly air filter... there is now no oil in my air filter...

the engine vent system on top of the valve cover pipes oil vapors over to the air filter housing for cooling and so it will turn back into liquid oil... older cars produce more oil vapors because of blow by the rings... and the system becomes over whelmed with liquid oil and you get oil in your air filter...

synthetic oil does not vaporize like the regular stuff... so my air filter is clean..
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Old 08-25-2005, 11:25 PM
t walgamuth's Avatar
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Location: Lafayette Indiana
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cool

cool. good for you.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 08-25-2005, 11:30 PM
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I would try this if my 240 had a tube that ran into the air filter....82's don't have that device.

??: Was this only on the auto tranny models, or just 82+ in general?
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My name is Michael, and I am an 18 year old binge-drinkin', cigar-smokin', novel-writin', all around unsavory and unnattractive guy. I tell long-winded stories, and I only shave once a week, although I've had to do it every day since I was 16.

Last edited by Glinko; 08-25-2005 at 11:42 PM.
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  #4  
Old 08-26-2005, 02:39 AM
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i thought

most diesels have a pipe coming out the top of the valve cover.
it acts like a pcv valve... then it runs a hose over to an oil cooler thingie
and then back into the engine...
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Old 08-26-2005, 04:16 AM
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my 79 has it. you HAVE to be overlooking it?
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  #6  
Old 08-26-2005, 04:30 AM
Craig
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Quote:
Originally Posted by Glinko
I would try this if my 240 had a tube that ran into the air filter....82's don't have that device.

??: Was this only on the auto tranny models, or just 82+ in general?
I assume your 82 is like my 83, the oil separator is not built into the air filter housing, it is a separate "canister" in front of the air filter. Just follow the vent line from the top of the valve cover, just behind the oil cap. This design does not result in the air filter getting covered in oil if you have some blow-by.
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