Engine Breather Filter over Crankcase, anyone?

Ninkumpoop

Member
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2009 Mazda Mazdaspeed3
Anyone installed one of these on our cars, yet? Is it difficult to get to all the lines/hoses and cut off the passage-ways? Any helpful hints will be...helpful.
 
But you put a filter on it, plus it's in the engine bay and it's well ventilated due to the roof air ram effect pushing air down and under the car. Even if it wasn't that greatly ventilated, the holes in the firewall to the cabin are small so close to nothing will get in.

Anyone have anything else to contribute?
 
it will throw your fuel trims off since the air isnt going back into the intake, so you will need to tune for that, and taking the 1 hose from the valve cover to the intake takes about 2 minutes. or are you refering to venting your pcv to the air? i dont think anyone has done that, you need a way to make vaccuum and just a breather wont do it
 
are you refering to venting your pcv to the air? i dont think anyone has done that, you need a way to make vaccuum and just a breather wont do it

and so the exhaust venturi rears its ugly head ;-)
 
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Thanks for the input. Yeah I guess I can't make vacuum to pull the pressure out of the crankcase without the intake I won't be doing it.
 

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