I have looked on the net to try to find out info on this motor no luck other than it was made 1969-1980(3970010). Numbers on the front plate are
C6F369269 VOIO6TYC.
I know some of you have books or web sites to get this info. but I couldn't find anything. Any help would be great.Thanks..

Here's what www.chevymania.com shows

Code Year CID Vehicle HP RPO Trans Carb Comments
TYC 76 350 Truck 145 Base Manual 2-Brl C 10


Rich

Chevy-camaro.com

TYC 1975 350 145 2 conv.cab
TYC 1978 350 165 4 van & bus

C6F369269 is the VIN derivative linking this motor to a 1976 Chevy truck built in Flint Michigan.

C - Chevy truck division
6 - 1976 model year
F - Flint T&B assembly
369269 - Unit serial number, lat 6 digits of VIN.

Thanks for the info. and the website guys..