Inputs on a home built 318 for red light to red light fun

I have no issues with Chevy ,its just the cars I would want were always elusive as far as cost. For example there was a time id say in the 90s where i never saw a 64 or 65 Chevelle in my area, they were around in the 70s though go figure. My generation got stuck with the late 70s smogger camaros and Corvettes. they were in abundance. By the time I found my dart i knew it was a 340 pre smog equipment car and i bought it up . The lack of smog equipment was a big factor in my choice. i did have a Pontiac thoughm71 and it didnt have much smog equipment either, man that thing ran. it was stock too not much aftermarket equipment except a replacement cam.
I'm not advocatin chevy. I like everything old and American, I like Mopar best. I just find it funny that every single American auto maker through the muscle car years did "something" in the engine department that was not conducive to making power more than the other make. With Chrysler, it was using open chambers on everything with no quench whatsoever, with Chevy they had quench heads and didn't use them, with Ford they ground their camshafts with retarded cam timing. It was like WTF were they all thinkin? Pontiac had some FINELY machined combustion chambers both open and closed, but again, didn't take advantage of quench. Even the 67 440HP engine with the 915 casting closed chamber heads didn't use them, because the pistons sat so far down in the hole. Only thing I can figure is, they were still learning.