Help please engine id.

[lc71]

small block chevy casting number is 3970010 info says 69 to 79 car or truck.suffix code reads k010tya under that number is C 41307 17 Can't find a date stamp on back of engine but on the passenger side of engine is numbers and a clock the numbers are not in line but they are L 30 DN A2. the oil dip stick is on the drivers side.. balancer is 8 inch.. would like to know what this engine came out of and if it was with a manual or auto trans.. Thanks for any help just pulled it out of a 1971 k10 but it's not original the truck came with a six cylinder...

[randy500]

Try this listing

http://www.chevy-camaro.com/chevy-ca...es.asp?group=6

[lc71]

Thank you sir..