273 to 340

I ran a 340 with the 318 top end and factory 318 cam. Even the 2bbl on it. All stuffed into a 65 Valiant wagon. Funtastic combo. Wish I still has it.
Allbeit with fenderwell headers, for all the good they did lol.
That was 1975. I don't think today's gas would work in such a combo.