Here's a cool little 273/292 build for the 273 guys.

I agree most should go with a running 5.9l magnum but it's cool to see other builds and if it was all about money we'd all be running Chev's.
In today's world, yes. I've seen, been in some small cube potent builds back in yesteryear, even a couple 318's. lol
A Ford 289 in a Mustang at Hot August Nights a number of years ago hanging it's frontend in the air off the stoplight. lol
Juice works wonders. lol