Denny,
I think that they call the 1 Tons HO72 and as stated yours would be a HO52. The ratio should be 4.57. I guess that you know that you can install a later pumpkin of the 4.10 variety?

Fred


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!