snowman4839,
look into fuel delivery as mentioned in previous pots.
I know on my 65 SS Malibu factory 283 2 bbl car, the factory fuel line was 5/16.
My 69 Camaro had a fuel line same size, but I believe the V-8 Camaro's had a 3/8 line.
My friends 69 350 Firebird had a 3/8's line.
MBHD