Thread: Wrong pcv valve in my zz427???
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Old 12-07-2015, 01:07 PM
mestorod70 mestorod70 is offline
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Make sure your breather is working and not plugged up.
Check the baffles in the valve cover for blockage and
make sure the oil drain holes in the heads are fine.
The cv774c was used in hi perf 350 engines in the 70s..iirc.
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