[jason83]

and i am trying to find out what yr it is and what it came out of the front code is vo530tjs and the back is 3970010

 

[Blazin72]

This will give you a lot of what you are looking for:
http://www.nastyz28.com/decode.php

 

[cobalt327]

and i am trying to find out what yr it is and what it came out of the front code is vo530tjs and the back is 3970010

ID'ing Chevy engines.