Yes, I think 4" is pretty well the limit. I had them use tape weights on the inside of the rim in case I didn't have room for normal ones. As it turns out, the regular weights would have worked out OK.

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!