Some combinations might benefit from this. Difficult to evaluate without a dyno.
intake stroke, compression stroke, power stroke, exhaust stroke in that order
intake compression power exhaust
Intake compression ***** POWER**** exhaust
intake, compression, power, and exhaust.
Intake, Combustion, Power, Exhaust
1342 Intake Compression Power Exhaust
Intake, Combustion, Power, Exhaust
Port and polish Exhaust Manifolds. heads, etc. Cold Air Intake. Turbo. Bigger injectors. performance Cam, rocker rollers, etc. New exhaust system or High flow Catalytic Converter
Both the intake and the exhaust valve are closed.
intake, compression, power, exhaust
If im not mistaken, during the power stage the intake and exhaust valves are both closed. the intake valve opens pulling air into the cylinder (cycle one) and the exhaust valve opens (cycle 4) to relase the air fuel mix that was ignited.
Intake, Compression, Power and Exhaust