Quote:
Originally Posted by kitch  hi to all casting no is 3970010 which puts it between 69-80 mortec,so checked the engine
no this is FO619TBC. so i checked this out.Chevy used the last three digits in years 71 and 79
so has anybody any idear the next step of dating my engine thanks paul. | Chevy Engine Codes MorTec, Inc. Chevy Smallblock V-8 Casting Numbers List
Built at Flint plant June 19th 1970 or 1979. 350 ci. Did it come with all the emission control junk? If so 1979, if not 1970.
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Ian DAX 454 Chevy
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