1970 chevelle Key code

[cdn454LS6]

Do all 1970 chevelles come from the factory with the same key code? Do different models L78 or LS6 affect codes stamped on keys or when car was built, What should a earley 1970 code be?
Thanks
Ken

[Mr70]

One 1970 Chevelle had 2 keys,(primary,secondary),that opened all it's respective locks.
Model design or engine equipped had nothing to do with it.

All 1970 Chevrolet vehicles,be they made early or late,came with the same letter profile code.
"J" on the primary & "K" on the secondary,but not exact specific number code,obviously.
Letter profile codes were alternated every 4 years..1970,1974,1978,1982.

Rich Fields did an excellent in depth write up on this..
http://www.camaros.org/keysandlocks.shtml#intro

[cdn454LS6]

Exellent site, Thanks very much for the help.