Quote Originally Posted by Slade1134 View Post
I had a 600 holly Q-jet replacement on the car. It was a single pumper but it was a duel feed. . Any thoughts?
The holley replacement carb for the quadrajet was a single feed, in the front, if it had dual feed bowls on it ( someone had switched them out ) the pump transfer slot in the metering plate to the bowls would not line up, therefore that is what created your first problem.