I had a 500cfm carter in the beginning, had drivability issues, then shelled out $1300 for a C&S 550 aerosol blow through carb. I did not want to go to headers, so I had vapor lock and hot soak unless it was cool weather. I got to where I hated to drive it, so I did not drive it much for a couple of years. So I decided to roll the dice and go with the holley efi.
Engine has comp cam .430 lift, Fel-pro .040" head gsk. 8.2 compression. ARP main and head studs ARP rod bolts. Offy 4bbl. intake. This is important; Total mechanical advance is set at 24 degrees, 0 at idle. Boost builds to 10-12lbs. Starts to build low boost at about 1800rpm and builds slowly in higher gears, but if you downshift from say 4th to 3rd at 60mph, whoo hoo! boost builds are instant. Unlike turbo slant six turbos I have built in the past that have some spool up time.
