@Willy guilmet posted:OkThank you but my goal is to modify my Intake so that it matches with my carburetor. SO how do we do it?
Willy
Take it to a machinest and ask them to bore it out to a regular Holley carb pattern if possible. It might not be.
Holley also made spread bore carbs for easy GM replacement applications. Of those that I knew who experimented with them, they were not well spoken of. I do not know why.