The crate motor in my 67 Chevelle has always made oil vanish. This engine has maybe 7k miles on it and is goes through a quart every 500 miles. I know these BBC engines are known for oil consumption, but seems to be a bit more than normal. Pressure test showed no issues. No puddle of oil on the floor, bone dry underneath, no blue smoke out the tailpipe either. Someone mentioned the pcv valve today and I checked it out. The previous owner put in an AC Delco 774C valve, the info sheet for the engine calls for 6487779 part number.
Am I on the right track?
