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Blow by ? 1800

posted by  Auconas on  Wed Mar 13 10:47 CST 2024
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Hello all ...B1800 engine

What is happening here ..please help

The air breather pipe coming off the block down to bottom of engine is blowing alot of smoke and also out the filler cap

Wanted to post a video but doesn't seem possible

Thanks in advance








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    Blow by ? 1800

    posted by  planetman on  Wed Mar 13 16:01 CST 2024
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    last visit: Fri Oct 24 09:29 CST 2014
    [RELATED]

    Your piston rings are probably bad, but 1st make sure you don't have too much oil in the motor and that the oil isn't thinned by having fuel mixed in.

    The proper test for worn piston rings is called a leakdown test which requires compressed air pumped into 1 cylinder at a time. There's a special tool that has a gauge that usually reads a percentage of leakdown and the cylinder being tested needs to be at top dead center which is when the piston is at it's highest point and both valves are closed.

    --
    Eric
    Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
    Torrance, CA 90502
    hiperformanceautoservice.com or oldvolvosonly.com







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