69 Nova 427

[motion68]

Other than block casting 512, what other block castings were used for the 427 application in the 69 Yenko Nova?

[427king]

1969 427 Casting #s used were #512,#270,and #439[in reverse order of date] ..

[motion68]

So - 439 late 68/early 69. 270 mid 69. And, 512 late 69 and years following? 'Preciate the help.