Radiator ?

Posted by Phil Randolph On 2012/1/17 13:12:59

Can anybody tell me in what year Jr. Packards went to a pressure radiator system? My 38 isn't but I just got a supposedly NOS radiator for 38-4? and it is set up for a pressure cap. I'm probably not going to run a pressure system but just would like to know when they came into use.