I have a 250 cid engine with a crack water jacket. All the internal parts are not very old.
So they are in good condition. Point is I want to use as many of the 250 cid parts as I can.
Now from what I can see the 230 cid engine block & Head seem to be the same as my 250 cid engine.
If there is Any differances please explain?
Since Im about to take the 230 block,250 crankshaft, and 230 head or the 250 head to the machine shop. I would like to know what to machine to make it all work together into a 250 cid engine?

I want to make 230 block into a 250 cid engine.
Is there any machine work that needs to be done?
Is there any thing different from a 230 Head v's 250 Head?