Quote:
Originally Posted by sophie2
Don't I need to plug the line that goes into the air cleaner while watching the oil filler cap? Otherwise a portion of the potential blowby would go into the line?
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Checking the cap with the vent line in place is a reasonable way to check for excessive blowby. If you block the vent, I would expect that everyones cap will bounce around quite a bit. Some amount of blowby is expected.