I think that you mean 216 not 261, correct? Well it is a bit of a mystery why they were used in the first place. I did use the "pal nuts" on my 216 though. You basically snug them and then turn a bit more. I don't actually think they are needed.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!