The rear end in my 1953 3604 (pickup) appears to be a GM 10 bolt and is a 4.57 ratio. Both are correct for the truck. The number on the top right of the case appears to be HU0104C which does not appear to conform to the limited information that I can find about rear ends. Can anybody interpret the number for me? :confused:

Jeff Nelson
1953 3604
VCCA # 37113
Paducah, KY
http://www.chevytrucks.org/jeff
"Kentucky, home of beautiful horses and fast women (or was it the other way around?)"