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> I was bored so decided to drop the engine, Oh my!!
BK911
post Feb 17 2022, 11:42 AM
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So many oil leaks.
Even had oil mist out the windshield defrost vent!
What causes so much oil around the cylinder/case interface?
Pretty wet on both sides.

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Side where I attached the oil breather to air cleaner has built up oil on back side of intake valves!!

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Have to figure out a better way for head and case vent.
On a positive note, 6 8 6 6 % leakdown!!
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rhodyguy
post Feb 17 2022, 01:46 PM
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Chimp Sanctuary NW. Check it out.
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A Breather Can from Tangerine. No more drawing vapors from the engine thru the carb/s.
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NARP74
post Feb 17 2022, 03:50 PM
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QUOTE(rhodyguy @ Feb 17 2022, 12:46 PM) *

A Breather Can from Tangerine. No more drawing vapors from the engine thru the carb/s.

+1, though installed too late for my engine. It needed a rebuild before I did it. It does smoke less though.

I had a quick email discussion with Len Hoffman about this issue. His take was to thread and cap the vents and don't run them.

https://newsite.hamheads.com/2016/12/10/typ...tests-analysis/

Contentious issue...
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