Sent a note to RCBS tech support late Saturday night. and waiting in my inbox this Sunday morning was a reply.
Even better, I asked about buying two lube plungers and O-rings for spares, and I clearly said that my new Lube-A-Matic 2 was working perfectly. They will be sent out this week. Then I can look into modifying a LAM2 for air pressure actuated lube feed. Someone on this forum advised a pistolero on modding his LAM2 (glockman1000? on Youtube) and the setup was simple.
With support like that, I feel I should buy another brand new LAM2.... Fluecking-A...