273 or NOT 273?

The OP choice is between a 340 he has or a 273, so your 318 recommendation is counterproductive unless you think it’s a better option to a 340 ?
I love my 273 but I would build a nice 340 and not look back. I had one in my 73 Challenger (the small valve, lower compression one) and it ran great, stock. You could spin it to 5500 with ease, it would bark the tires, and keep on pulling.