Reply to "Valve Cover breather question"

George PAdmin.

The breather must be capable of allowing as much air to flow into the crankcase as is being drawn out through the PCV valve into the intake manifold. This is to avoid any significant negative pressure in the crankcase. The oil pump cannot pump oil if it's suction is under a vacuum.

Sounds like your new breather will be significantly larger then the oem unit, in which case, you're over analyzing.

lol.....

your friend on the DTBB

3/28/065:43 PM

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