Originally Posted by E.Furgal
do you use now to look up chevy engine casting/date numbers and codes..
I have found this
site to be as good as anything going. It does have a few errors- they ALL do- but this site has no more than any and less than most, along w/better coverage than most.
It and some of the other sites are listed here
The original Mortec info used to be available through the wayback machine site, but it's even gone from there. The Mortec casting number info is also listed here