Correct, no year date cast for at least some years. I just went thru finding one of these for my 73 Camaro and my rebuilder told me that there was no year cast in for 1973, so I suppose it's logical to believe that there wasn't for 1972 either. And yes, A 8 would mean a cast date of January 8th.
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Bill Pritchard
73 Camaro RS Z28, L82, M20, C60
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