Thanks for the replies guys,
I tried backing in to the spot friday, had no problems when leaving. However, my shift is a little different on fridays, so truck only sat there 5 hours instead of usual 8. Will find out tuesday when it has all day to sit.
Has been cold and wet here lately, but I haven't been using the parking brake at all, so I don't hink that is it.
About fluid draining from the hubs, I was only thinking this could happen because the truck was parked with the right side higher than the left by about 4-6 inches.
I believe she still has Huck brakes, that would have been standard for '51. With the 3,000 thnigs that need to be done on her, and the brakes having worked great from the time I got her, pulling the drums to check the brakes hase not quite made it to the top of the "to do" list, yet. I think that will be my next project, pull the rear right side apart, and see whats up with the braks.
Once again, thanks for your input.
Frank