Ok, got the core back and everything reinstalled. Getting plenty of heat/defrost now. Is it possible the other core was clogged limiting the amount of hot water flowing through it?


http://s971.photobucket.com/albums/ae197/jon63c10
1963 c-10 shortbed stepside 427 BBC T16 HD 3 speed
1963 c-10 shortbed fleetside 348 "w" 1st gen big block & powerglide