Oil blowing out of breather
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Oil blowing out of breather

  1. #1
    Senior Member Quit Yer Bitchin's Avatar
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    Default Oil blowing out of breather

    460 Ford running 5qts 10W30 and a quart of Lucas oil stabilizer. First I was using a built in pcv breather with a hose running to the back of the carb. Cruzing at 60 with the engine reving at 3,000 the crank case pressure would build up and blow it out of the gromet. The dip stick would pop out too. No the pcv was not stuck. Changed to regular non pcv breather and oil would leak out of it. Switched gromet to a baffeled gromet and problem persists.

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    Senior Member 67weiman's Avatar
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    New rings might help.

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by Quit Yer Bitchin View Post
    460 Ford running 5qts 10W30 and a quart of Lucas oil stabilizer. First I was using a built in pcv breather with a hose running to the back of the carb. Cruzing at 60 with the engine reving at 3,000 the crank case pressure would build up and blow it out of the gromet. The dip stick would pop out too. No the pcv was not stuck. Changed to regular non pcv breather and oil would leak out of it. Switched gromet to a baffeled gromet and problem persists.
    Approach it by running a wet dry compression test and a cylinder leak down test , sounds like blow by These test will devulge information to help diagnose Tom

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    Blown, OHBA Member Wild Hair's Avatar
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    6 qt capacity I would be looking into a larger oil pan as well.
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    Member Rude Louie's Avatar
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    Look into a pan vac system

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    Quote Originally Posted by 67weiman View Post
    New rings might help.
    Quote Originally Posted by jetboatperformance View Post
    Approach it by running a wet dry compression test and a cylinder leak down test , sounds like blow by These test will devulge information to help diagnose Tom

    Yep & Yep. That much oil and pressure at that rpm would have me leaning in this direction first.

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  9. #7
    Senior Member larryfknrocks's Avatar
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    im going thru the same damn headache

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    Quote Originally Posted by Wild Hair View Post
    6 qt capacity I would be looking into a larger oil pan as well.
    Ditto!!!

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    Senior Member DuaneHTP's Avatar
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    Default oil blowing

    Why are about 90% of all of the engine blowing oil threads about 460 Fords?

    Duane HTP

  12. #10
    Senior Member 67weiman's Avatar
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    Quote Originally Posted by DuaneHTP:1688345
    Why are about 90% of all of the engine blowing oil threads about 460 Fords?

    Duane HTP
    That might stir the pot a little. Lmao

  13. #11
    Senior Member DuaneHTP's Avatar
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    Didn't mean it that way. Just sayng---------------
    Duane HTP

  14. #12
    77 sleek. corbin5754's Avatar
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    Same problem lol, with a Ford 460

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    Because fords suck, let's be real here!

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    Quote Originally Posted by 525SC777 View Post
    Because fords suck, let's be real here!
    Please expain your comment. What knowledge do you have on the subject. We would like to know.

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