I have a 1983 Avanti with a new 350 chevy crate engine. I amm using 1 quart of oil every 300 miles in highway driving. 800 miles/quart in city. My valve covers have no baffles. I installed a push-in baffle (moroso) and a tube that lifts the bottom of the baffle to be even with the top of the valve cover and places the Pcv valve in the tube above the Valve cover. I am still getting a lot of oil out of the PCV valve. I installed an oil trap and I can still see at certain rpm (1500-2000) as much as 1 ounce of oil in 2-3 minutes being discharged.
I have fresh air entering through the air cleaner and fresh air pipe on the pass. Side and PCV on the driver side. I also have an oil filler hole on the driver side. Could I add a second PCV on the driver side in the oil fill hole, connect in with the existing PCV. With the vacuum being unchanged this would reduce the amount of air being discharged by the single PCV. This would split the air flow and reduce the amount of oil that is carried by the air flow.
check your oil viscosity, valve seal faulty, missing or incorrect types, valve stems or guides worn Drain-back passages plugged, piston ring worn or broken, incorrect piston ring gap or cylinder walls worn.
I you add 2 to 15 pvc valves. It won't stop the oil consuption.