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Oil In Air Filter


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roysmustang
New User

Oct 27, 2009, 7:29 PM

Post #1 of 3 (1421 views)
Oil In Air Filter Sign In

I have a 1970 ford pickup with a 302 and a auto trans. It has 200,000 + miles. There is oil in my air filter and in the breather. It has the stock breather on it. What is the cause of this.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 28, 2009, 2:41 AM

Post #2 of 3 (1419 views)
Re: Oil In Air Filter Sign In

That is usually due to excessive pressure being built up in the crankcase due to bloyby past the rings. Make sure your PCV system is working properly because that can relieve a lot of that.

Note that on that engine, there is a screen filter on the back of the engine, under the PCV that gets plugged up and will cause a problem like that.



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roysmustang
New User

Oct 28, 2009, 11:11 AM

Post #3 of 3 (1413 views)
Re: Oil In Air Filter Sign In

thank you






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