Posted by Kaegi on Monday, July 14, 2008 at 12:12:53 :
In Reply to: There were pressure caps for the short neck, 4 psi posted by chris case on Monday, July 14, 2008 at 09:51:37 :
there was both neck styles during WW2 also. I would call VPW and see if they still have the pressure caps. I wouldn't modify the rad until I tried that first.