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Best Oil Catch Can

D

DaHuntah

Member
#41
Messages
80
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17
Location
North West
Vehicle
2022 Explorer ST
#41
It sounds like you don't understand how a PCV system works. Do some research and it will make more sense.
Click to expand...
LOL! A PCV (Positive Crankcase Ventilation) system just controles the vaccum/pressure in the crankcase. A check valve in the valve cover and a hose running to the intake. Simple as that. What don't I understand? Old school just had a breather on the valve cover.
 

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