How far would you feel comfortable in bore size on a 4 bolt main, 340 Restoration Block? Trying to decide if I go with custom pistons or bore to the next size. Thanks in advance for any input you may have.
Indy 360-2 heads. Does anyone know if there's a tool to compress/replace the valve springs with the heads still mounted on the block? I have the tool to do this on W5 heads, but not the Indy heads.
Thanks for any help you can give.
Bill