Holley Carburetor Tuning Tricks

I always try to have the front & rear blades set as close to each other as possible Set the primaries with the transfer slot squared

As the throttle valves opens, a slot is exposed allowing more air fuel to enter the bore Remove the idle mixture screws to make sure the passage to the idle is

ram slot 1 and 3 Is there a list that states what the correct length of transfer slots should be for various popular Holley carbs?

slot 288 030 of the transfer slot exposed past the throttle plate at idle Helpful? How do I adjust the pump shot on my carburetor? WITH THE VEHICLE SHUT OFF, look