Originally posted by Streets
As you use the lappin' compound it will show a dark grey line on the valve face all around so ya knows it's gonna seal.. Use an "arrow" with a rubber suction cup on it and move it betwixt yer hands like ya wuz tryin to start a fire like the injuns did, and be sure to lift it up evr'y so often also..
Ok, neighbor was talk'n about this... I'll have to have him over to show me how to do it.

Thanks Streets