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-intake: exhaust closed, intake open -compression: exhaust closed, intake closed -combustion: exhaust closed, intake closed -exhaust: exhaust open, intake closed
intake compression power exhaust
intake, compression, power, exhaust
Both the intake and the exhaust valve are closed.
C. intake, compression, power, and exhaust
0.016" cold both intake and exhaust. valves closed
Closed
Closed
the intake are next to the carb and the exhaust are next to the exhaust manafold intake are .008 exhaust are .012 with the engine warm good luck
Closed
0.14mm intake and exhaust
They are closed during the power stage.