You will also notice that the center throttle blades are smaller diameter on the 65 center carbs. This is just how they came and as such work fine. Some want the 66 manifold to have the bigger center carb.
Title: You will also notice that the center throttle blades are smaller diameter on the 65 center carbs. This is just how they came and as such work fine. Some want the 66 manifold to have the bigger center carb.