I put a PCV system on mine using a modern valve for about the same displacement engine. I also have a bypass filter. I change the oil at 3000 miles and it doesn't darken any faster then a modern car.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!