Marvels Mystery Oil - Page 5 - SailNet Community
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post #41 of 52 Old 05-01-2013
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Re: Marvels Mystery Oil

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have filter in return of fuel ( should serve to "polish") but also two filters on oil return ( believe from oil pan and just before pump) . Believe one (first) is 10 micron then (second) is 4 micron . Will be on boat May 21 so will check details. Probably was premature to have troubled you without details in hand. My apologies.
No worries... Sounds like you may already have a bypass system on your engine anyway, on many today they have become standard equipment, though most commonly seen on larger engines from Caterpillar, Detroit, Man, etc...
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post #42 of 52 Old 05-01-2013
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Re: Marvels Mystery Oil

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I figure it's either guides or rings, but either way, I think I'll construct a kind of a PCV system and send the blowby through the carb's flame arrestor - just to keep it out of the cabin. It's not a lot, but enough to be somewhat annoying.

Cheers,

Gary

It's got the PVC thing already there is a metal tube coming out of the the valve lifter cover and a 90 degree rubber hose connects to it that sits on the flame asrestor on the carb which helps keeps negative crankcase pressure

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post #43 of 52 Old 05-01-2013
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Re: Marvels Mystery Oil

Yeah, I know, but nothing seems to come out of the hose - just blowby coming out of the oil-fill cap. One day, when I'm not sailing or working, I'm going to take a close look inside the hose and make sure it's not plugged or blocked with some sort of crud.

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post #44 of 52 Old 05-01-2013
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Re: Marvels Mystery Oil

What is "blow by"?
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post #45 of 52 Old 05-01-2013
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Re: Marvels Mystery Oil

Blow by is nothing more than combustion chamber gasses leaking into the crankcase and exhausting through the oil fill cap.

Gary
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post #46 of 52 Old 05-23-2013
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I drink it daily
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post #47 of 52 Old 05-23-2013
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Re: Marvels Mystery Oil

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I drink it daily
Bender? Is that you, old buddy?

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post #48 of 52 Old 05-23-2013
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Re: Marvels Mystery Oil

Hey Jeff, C'mon down to the marina Saturday or Sunday and I'll mix you a Green Coconut Margaretta to kill the taste of the Mystery Oil.

Gary
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post #49 of 52 Old 05-23-2013
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Re: Marvels Mystery Oil

Either MMO or green coconut juice should be good for clearing blockages. Both together might just be too much.
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post #50 of 52 Old 05-23-2013
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Re: Marvels Mystery Oil

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Bender? Is that you, old buddy?
no - he's kbender but he drinks it too!
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