valve cover gasket

[dcpky]

hey guys ajusted valves 1951 Farmall Cub bought new valve cover gasket came with two copper washers put valve cover back on tighted the two bolts with copper washers let it run for a while then started seeping oil around copper washers so i tighted more still leaking any tricks you guy do to stop leak also its not leaking around gasket at all

[Boss Hog]

Make sure there is no burr on the bolt or the cover

[Bamacub]

Check the breather tube that runs from the front of the block to the air cleaner, you could have a ventalaion problem.