More terrific photos courtesy of Frank DiHartce. When the 1970 Trans-Am racing season came around, the
2x4 crossram manifold was no longer legal. Racers had to run a single 4-barrel carburetor. Chevy accordingly
created a 1x4 carb adapter so the same fiberglass hood could be kept and used.
All 4 photos above courtesy of Frank DiHartce