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Breather filter on valve cover


78 280zcar

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I know how anal these cars are about air leaks and such, I was just wondering if I put a breather filter on the valve cover outlet would it make the car run bad or will the idle stay the same. I was thinking it would be like taking off the oil cap while the car is running. Thanks

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No it wont have and effect on the idle on a 240 or 260 but on the 280s it will . The side effect of a little filter on the valve cover is you will have fumes in the cabin . If this on a carbed Z with the stock air cleaner there is no advantage in not connecting the hose to the the air filter like was done originonally . GAry

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