Thinking about scrapping my stock q-jet in favor of holley pro-jection 2-bbl system (#502-20S). Basically, I want fool-proof, long lasting driveability and better fuel economy. Something I'm not getting with my 24 yr old q-jet. Was just wondering if anyone is using that system and if it has necessary vacuum ports for stock hei distributor, pcv, ecs (vapor can) and egr? Also, any hood clearance problems? Just curious at this point. Any opinions?