Sleeveing a block

[Tom keedle]

Originally Posted by SSDiv6

Yes, you can sleeve a Olds 350 block to an Olds 307. Use the 1969 to1971 high nickel block. Also, you will need to use the early style Olds head gaskets on the early block too. After sleeving, use Embecco Epoxy instead of Hardblok.

fwiw, i've heard that 76ish caddy sevilles had the "good" block, too.
what about the 350 olds diesel blocks?
they legal?