2-Barrel Carburetor to 4-Barrel Carburetor Adapter

A: Yes, you can use this with a stock 2bbl manifold to install a 4bbl carburetor. You can use this instead of changing manifolds, although you get more performance gains by swapping manifolds. On your existing motorcraft, if you are getting 6-8mpg and have trouble starting it when cold in the morning, odds are you have a blown power valve. Answer provided by:  Ryan (9/14/2017)

A: Yes, it can be used for a 2bbl carb on a 4bbl intake, or a 4bbl carb on a 2bbl intake. Answer provided by:  Ryan (2/4/2020)