could anyone tell me what year/model car this is out of?? heres the number i found on the back of the block on the pass. side 10125327... and heres a number i found on the front of the pass side head.. 10931 are these even the right numbers to get info for? if not lemme know where to look for the right casting/serial numbers lol

 

the first number shows that it is an lt1 block

 

http://www.mortec.com/castnum.htm