Thursday, January 19, 2012

How to install PCV Valve on mopar performance valve covers?

Do I need breathers too??? Cause I believe that there is a hose that runs from the valve cover to the carb then a breather as well??????? and If i do end up putting a hose in will it suck the oil out or just the gases casue the mopar vavle covers dont have anything blocking the oil and rocker arms from splashing on the PCV Vavle on the inside????? FEEDBACK IS APPRECIATEDHow to install PCV Valve on mopar performance valve covers?
What is the year and motor of said car? If you can hook both up the carb will suck the vapors from the crank case and all will be fine if it is hooked to the venture vacuum part of the carb.

One breather and the PVC valve.How to install PCV Valve on mopar performance valve covers?
The valve covers should have baffles inside, to stop the splashing of oil out the hole in the cover. If not, then I don't know what to say.

The way a PCV works, is that the hose goes to the bottom of the carb, below the throttle valve, and during idle period, the vacuum is high, so the suction is high and the pcv will almost close and slow down the flow of gases from the valve cover to the engine.



There is a tapered pointed spring loaded valve inside the pcv, and the pointed tapered part allows the valve to move a little bit since tapered points are hard to pull suction on, and the air flow pushes it a little bit as it goes by. As the valve moves, the tapered point goes into a hole and slowly closes the hole, and so the gases are reduced in flow.

Then as the engine speeds up, the vacuum drops in the engine and so the pull on the tapered point is reduced, and the spring inside the pcv pushes it back, and more gases are allowed to flow, and are sucked in.

Until finally, the engine gets to the point where vacuum is almost gone, and so the spring loaded tapered point is just floating in the middle of the pcv and no gas is flowing, since there is no vacuum.



At this point the fumes from the engine can reverse themselves and go the other way, being pulled into the breather by the high air flow into the engine, and burned that way.



The spring loaded tapered point has a flat end on the opposite end, and under the suction of the engine through the breather, it then is pulled up tight against the pcv on the valve cover side, and seals off, so that it doesn't pull anything from the intake manifold.



If you do not have any sort of baffle to stop the oil from going into the pcv, it could pull oil out and put it into the intake.



The reason I explained all this, is that so you can see why you need the breather hose also, since it plays a part in furnishing air during idle flowing in one direction, and then pulling fumes from the engine during high speed, flowing in the other direction.



Maybe there is a pcv that has a baffle in it, I don't know. It seems weird that valve covers would be made without some sort of baffle to stop the oil from splashing.How to install PCV Valve on mopar performance valve covers?
i went to advanced auto and used a combination of two grommets that fit together to get a good seal and still was big enough to fit in the hole.(gegedy). The PCV valve has a ball inside it that only works one way, so no worries. The breather is not a big deal so just don't worry to much about it.

1 comment:

  1. Does the Dodge Neon new PCV valve ball inside suppose to move when shaking it?

    ReplyDelete