ive heard of replacing the stock 2bbl intake manifold/carb on a 1958 Special with a 4bbl manifold/carb from the large series. the manifold seems as simple as just bolting it on. obviously, the engine compression ratios on the small & large series are different; however, wasnt the 4bbl carb an option on the Special?
the carburetor throttle linkages & lines (fuel, etc.) would have to be altered to fit the larger carburetor, but the whole process seems feasible in my mind. has anyone done this to their 2bbl, or am i way off base?