Quote:
Originally Posted by SS427
Looking through my photos this is a shot of Mark M's 70 Z28 which was 98% original when I got it and this was stamped on the intake. I blew it up and cannot really make out for sure what it was. An "A" or backwards "4" based on when I blew up the photo. The engine assembly date was 3/11/70 so maybe it is an A? This stamp looks much larger than yours however.
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I have seen mostly letters by themselves. That appears to be an "A" to me. but I have seen numbers as well. I remember seeing a "70" stamped on a 1970 #110 casting intake. Just trying to determine if there is any correlation between casting date and these stamps?? Just curious why most intakes have nothing yet some have these stamps?