April 4, 2007 at 3:53 PM #1 Hello,I have a block that is date coded 7L21Is this dated December 21, 1967?Thanks,Joe
April 4, 2007 at 5:03 PM #3 Joe,FYI, "I" isn't used because it can be confused with the number "1".Tom
April 4, 2007 at 7:16 PM #5 It's a block cast in 1967, but during the '68 production year which would have started sometime in July '67.