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Old 02-27-2011, 02:36 PM
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corgi1 corgi1 is offline
Motorized Bicycle Elite Member
Join Date: Aug 2009
Location: KCMO
Posts: 2,282
Default Re: Something new and kinda sorta 100 years old looking

I don't think its so much how much they leak as it is when they leak(and they do/will) at 100 lb pressure pushing past the rings,and then the return pressure back the other way is less pressure and the so pressure builds in the crankcase like an air-compressor starting up,,,,,the larger the breathing vent/tube the less the oil is forced out by the pressure through a small opening,it has space to run back into the engine as air passes out rather than be squirted out like a fire hose,
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