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Why do you have hoses running off your headers to both valve covers?
Wiki User
∙ 12y ago
That is called direct EVACUATION. Same as PCV- positive crank case ventalation.
You only see that on racing engines, It creates a vacuum and sucks the preasure
out of the crank case ( or engine ) Directly in and out of the exhaust system.
When a engine is running it builds pressure inside of the engine. That's what a PCV
valve is for, to remove the pressure. If you do not have one, then the pressure
will build up in the engine and blow the oil seals out. Then you have bad oil leaks.
seals and gaskets are the weakest points in the engine.
If you look at your engine it will not have a PCV valve, But that's okay just keep those hoses hook up to the headers. You have the best system now.
Wiki User
∙ 12y ago
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