Well got the Distributor adj. Int 19 Total 34 idle 800 vaccuum 8in. Will need a new carb I believe don't know much about them. Turn mixture screws all the way in keeps running. Adjusted the floats front and rear rocks it alittle bit of gas comes out. Starts right up looking in carb it is dry . Tried to adjust screws dont do anything at all.holley 750 single feed Probably to much carb for engine.