Quote:
Originally Posted by yorkie_chris
But there is also the imbalance of crankcase volume to consider, so engine will breathe a couple 100cc with every stroke, some degree of mixing is bound to occur between airbox air and the hot vapour in the crankcase.
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But any backflow/mixing will simply dilute the gas, the
net outflow of "non-air" from the engine will be the actual blowby, can't be anything else.