Ok, here's my set up. I've been working on it off and on. Currently, I'm having an issue with cold starts (same when it was on carb), spray some starting fluid, and it starts/runs...
ENGINE SIZE: 273
FITECH SETUP USED: Go EFI 4 600hp
ENGINE VACUUM:
CAM SETTING (1,2,3, or 4) AND YOUR CAM SPECS...