I know it's a little late for your engine now, but I've been putting a bleeder valve in the back of each head for quite some time now and that really speeds up radiator filling.

I've seen spring loaded push to release valves and they a little nicer looking, but I just use 1/8" radiator petcocks.



Last edited by Harry's Taxi 2; 07/22/19 12:00 PM.
'86 Maple Grove KOS Mopar low qualifier......true street legal with no power adders.

NOS-used when losing since 1940.