Remember the letter I and O are not used to indicate the month of the casting.

Last edited by 41Chevy; 01/03/2012 3:13 AM.
"If it ain't Steel it ain't Real"
"Earth the insane aslyum for the rest of the Universe"
41 1/2-ton, a work in progress
68 Shortbed stepside 327/325hp/700R4