can any one help me find the year of my 454. where do i look at and what numbers do i go by. thanks in advance.

http://www.nastyz28.com/chevy-engine-code-stampings.php#suffix

If you are looking for the actual block number it is located on the drivers side rear (next to the firewall). You will need a mirror, flashlight, and your tongue stuck out (to the left..... (for concentration)) in order to read it.:D

I believe this is what it looks like.

http://img.photobucket.com/albums/v236/chas223/datecodeBB.jpg