When these HEMI's were built, the front and rear carburetors were different. The rear carburetor was the one primarily used for light throttle/cruise conditions. Hence the progressive linkage that brings in the front carburetor for wide open throttle. With Mr. Harms work above does the linkage operate the carburetors 1-1 as essentially these are the same carbs. being an Edelbrock 600, 750, etc.. Or, have the idle and cruise circuits been modified on the rear carb. to allow the use of the progressive linkage as original?
