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#70327
chas56x
Participant

    US Member

    Frank, please explain to me what a "Lean sneeze" is. How can combustion flame get into the crankcase when ignition occurs a few degrees before the piston reaches top dead center and the intake ports and the exhaust ports are blocked shut by the piston skirt. The combustion flame would have to get past the piston rings, piston skirt to reach into the crankcase.