#4053
I have a LOS 69 X77D80 with a block casting date of 9/23/68.The original holley is long gone,and there's a SYC member selling an 872..is that too early?.Trying to establish the correct date coding range..if the carbs were assembled well ahead of the motor(the car had a build date of 10/19,the first production day of the "b" RPO change.
TIA
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