Camshaft recommendation for my specific Slanty build?

Yeah I'm new to living at elevation, looks like either a blower or shaving the heads is the only way I'm gonna get her to wake up. Looking forward to my trip to Sacramento in a few days, 50ft above sea level and SO many nice cruising spots... but I know I'll be able to feel the difference at sea level. Even my jeep V8 5.2 just wheezes up here LOL

Have you considered one of the throttle body EFI units available now? I just put one on my slant (Holley Sniper 4 bbl) and it made a huge difference. I had the Eddy 500 and a Holley 390 which were good but the closed loop control of the EFI just makes everything a lot easier, especially if you want to drive down the hill without changing out your fuel rods. There are 2bbl version as well from a few of the makers of these EFI units (Fitec, Edelbrock, MSD, etc.). The biggest improvement I noticed is Idle smoothness and part throttle power. Just a game changer for my car. They ain’t cheap, but probably the best bang for the buck.
I have an old MPP purple slant cam, similar to the Comp Cams that 65 Cuda 340 has and it really needs higher compression to work at lower rpms. You could shave off .080” and still run regular gas with that cam. Erson Cams has some really nice grinds too for the slant thou I don’t know if they still make them.
Best of luck on your project and keep us posted!