Originally Posted By: 63ChevyII
when looking up the codes, do you just use the last two letters?

so F0813RE = RE - 292cid w/manual trans

F0889CCA = CA - 230cid w/manual trans (I was told this one was a 250)

Someone just posted this page:
http://no25.chuckthetruck.com/page3.html


starting in 1969, they used 3 letters, so the last would be CCA, not CA...

CCA comes up as a '73 Chevelle 250. Are the pistons dished or flat top? what is the casting date code?


I.I. #3174