What SBC do I have.

[Jeff Stout]

Originally Posted by Barry Polley

https://www.ncrs.org/ok/LIME_BOOK_2018.pdf

Most complete book I know.

78 307 the four bolt puzzles me unless GM was low on 2 bolts…

I had letters wrong. They were TXD not TDX. Makes it a 350 4 bolt 010 block.

[Barry Polley]

I saw that too late ( .100 light) Jeff. No worries . That lime book has everything you need for ID too.

[Jeff Stout]

Originally Posted by Barry Polley

I saw that too late ( .100 light) Jeff. No worries . That lime book has everything you need for ID too.

Thank you I just downloaded it. Looks like a wealth of info.