dating chevy engine help

[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.

[TINKA]

Have a read of this thread

[Purple AK]

All on here Chevy V-8 Engine Block and Head Casting Number Locations you need the casting date

[TINKA]

Originally Posted by TINKA

Have a read of this thread

oops forgot the link.

Chevy ID

[kitch]

thanks tinka your thread is not there. all so read read mortec head & casting no locations still geting my head round them.

[slogger]

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.

[kitch]

ok still trying to find casting date, been on mortec and found diagram where numbers should be only number i have found is a 4 on the drivers side on the ledge near the bell housing.

[slogger]

Originally Posted by kitch

ok still trying to find casting date, been on mortec and found diagram where numbers should be only number i have found is a 4 on the drivers side on the ledge near the bell housing.

.............but you quote 3970010 as the casting number. This will give you a date range and the engine number will give you the build date.

In 350 form the date range is 1968-80.

Edit: Arrr, I see. You are still looking for the stamped casting code. I couldn't find one on my big block.