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also check HP rate on the title.

Being that late in the year and the fact that Chevelles & Nova,s were being produced for the 1970 model year would they have changed over to code CKO which  I believe is correct for 1970 396/375 HP ??

I have a late build date of 09E (sept 69)  X22 4-speed camaro that is missing the original block. I found a 3969854 4 bolt dated H 31 9, the block has beed decked clean. The heads are 3964291 square ports dated I 10 9 & I 12 9. Does any one know if the late built camaros use the JH code disginating a 396 CI or did they change over to the 402 CI with a C - - code.