California used and uses the Engine Serial Number at least in my truck case... This tag is attached to the transmission, in my case it is a Hydra-Matic...

I do not know how long they did this for or for what years...

On my registration it is referred to as Vehicle ID Number...


Last edited by healingbear; 07/01/2011 9:20 PM.
1954 Chevy 3104 3 Window Hydra-Matic in my family for over 60 Years

Once in a while you get shown the light in the strangest of places if you look at it right... "Scarlet Begonias" Grateful Dead 1974