I have a 750 Speed Demon carb and it seems like it just needs to be adjusted better. I know they adjust a bit differently than the Holleys. But, who here knows exactly how to work magic on these. I had mine on my 406 and it just wouldn't fatten up at all even after we installed 78 front and 90 rear which is a huge point spread in jet sizes. I just would like to get it adjusted right or sell it and stick to my Holley's or am i just retarded. :?
