Dave, I see what you’re saying. When I look at image 6, the 261 carb in my opening post I see a a chamfer on the carb throat bore that's not on the 216 carb in image 7. It’s hard to see a difference in the power valve port locations. Curious.

RonR


RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5