Quote:
Originally Posted by billhard
I don't think that's the end of the world.
My indy showed me a different way to judge blowby, [U]I am not sure how valid it is but/U] I do think it's less subjective than looking at how the cap jumps. Pull the valve cover vent tube and plug the opening. He claims if the motor stops in under 5 seconds you have trouble, 5-10 sec mid life, 10 seconds or more is a tight motor.
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There's a possibility that the test will blow a seal. Also, if there is a weak seal somewhere, the test won't tell you anything about crankcase pressure.
The best objective test on here is the 'fill the garbage bag' test. If you search on it you'll get the size of the bag and the length of time other engines have taken to fill the bag.