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 435k
-Down to 2 three wheelers
-1985 V65 Magna
-1973 CT70 with 125cc motor