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wjdunham wjdunham is offline
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Join Date: Oct 2016
Location: San Jose, CA
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Taking all of the above, it would seem "something else is causing the lean condition" and per John W.'s guidance it sounds like my lack of a breather hose from the oil tank to the intake boot. I think I have a hose lying around that might fit, will try that tomorrow when I have some time.

I'm still not understanding the physics though. I would have thought that the crankcase ventilation is a separate system from the intake. When I hook up the hose, if there are no air leaks in the hoses or the tank, and the oil cap is on tight, how would this cure a lean condition at startup. If anything, I would think it would cause a more lean condition...

Sounds like my analysis is incorrect here, but I'm not understanding what I am missing.
Old 09-26-2022, 08:27 PM
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