FYI for 305 sbc racers

[Dean Feiock]

Originally Posted by Henrys Toy

Good morning to all,
I haven't done this myself - yet, but wouldn't a good 4" 350 block be a reasonable choice? Main bores are right size and the cylinder walls (once sleeved ) would be pretty thick as well without the cooling problems like cracking from the steam holes between the cylinder bores. Just my 2 cents from my little corner of the world!

Respectfully,
Henry Kunz 1534 H/SA

^^^^What Henry Said^^^^

Sleeved blocks work very well if done properly. I have a 350 block that is sleeved and a 307 block that is sleeved. Personally, I think the 307 block is better as it was an early casting block and had very thick cylinder walls to start with.

I know that people say it costs too much or it's too much work to sleeve a block. But when you factor the cost of an aftermarket block and all the required machine work to true up every surface of a new block, I don't think those claims are valid.

But I'm old and my stuff is slow, what do I know