wycowboy said:I'm running an Edelbrock 1405 on my 440 which is the manual choke 600 CFM carb. After getting it dialed in for my altitude it runs great. It runs $219.99 at Autozone. The Edelbrock 1406 is the electric choke 600 CFM and the 1407 is the 750 CFM manual choke Edelbrock. They both run $259.99 at Autozone.