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PCV VALVE ?

Old 06-05-2019, 07:38 PM
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PCV VALVE ?

Put on MP valve covers & now I have a little oil (blow by) coming out of the breather. If I was to put in a pcv valve would that stop it ? Didn't have that problem with the original valve covers. They had a pcv valve.
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Old 06-05-2019, 07:47 PM
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I'd be pretty hard pressed not to use a PCV valve.
Just remember to have the breather and PCV valve on opposite valve covers and the PCV connected to a manifold vacuum.
Might want to replace the breather too.

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Old 06-06-2019, 05:28 AM
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Thanks I put on the MP covers because I couldn't get the originals to stop leaking. I also put on a holley carb, runs so much better. Originally the PCV line went to the carb.
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Old 06-06-2019, 06:19 AM
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I said manifold vacuum, not manifold. The large bore port at the base of the carb is manifold vacuum.
On the Holley, it's the big port under the rear fuel bowl.

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Old 06-06-2019, 07:08 AM
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Got ya thanks
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Old 06-07-2019, 04:43 AM
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Run the PCV... That should fix it.
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