Quote
The most common visable leak from blowby is the rear main seal.


Yeah it is! Have you checked to make sure that you are losing oil from just PCV filter?. A quart seems like a lot to lose from just blow-by through the PCV.

Gun it and run it!
1981 CJ5,258,T-176,D300,AMC 20,Dana 30,Trxus M/T 31x10.50, Rancho 5000's, GroundPounderFab front bumper, polyethylene gas tank, aluminum dash, AutoMeter gauges

What this country needs is unemployed politicians.