The fuel inlet port on a holley is where the PCV port is on my new Edelbrock carb, and the power brake barb is the fuel port, and there is a threaded hole on the back for power brakes, no wonder it ran worse after putting a factory reman Edelbrock.
-2001 Tahoe original 5.3 4x4 only 439k
-2001 Jincheng Panda(Honda Clone)
-1985 ATC70 with 125cc motor
-1973 CT70 with 125cc motor