Wrong pcv valve in my zz427???

[67Chvl67]

Originally Posted by mestorod70

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.

You know that 350 mention makes sense in a way. The previous owner replaced a stroker 350 with this crate motor. I wonder if he reused the old pcv valve when he swapped. Hmm...