Putting 340 intake on 273 heads??

oldkimmer said
................u can do a set of the 85-91 302 heads and be wat farther ahead.............kim.........

Yes, but you still have the small ports.

Why not just cut the block and the heads enough to reduce the 340 head chambers to 273 size?

--or--

Get higher squeeze 340 pistons, since you have the block at the machine shop anyway....?