69 ZL-1 MOTOR

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Ed Cunneen · #1 03-09-2004, 03:06 AM

Chevrolet started ith Casting number 50 for the "052" blocks on January 6, 1969. The last casting number I have is 586 which was cast on July 29, 1969. However, I have been told that perhaps more than one-half of the castings did not make it through final production, due to casting flaws.

69motion · #2 03-09-2004, 03:57 AM

on the side of the block it has a casting like the block numbers i was told by al maynard that there were 500 orig made for racing so gm could qualify a/ss class in racing ? ed thanks for the info you guys no more about Zl-1s than anybody thanks jeff

GMH454 · #3 03-10-2004, 01:12 AM

Ed is the number stamped in the block (bottom of block and caps ) the numerical sequence number of the blocks assembled???

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