Drilling Holes in a Holley Carburetor For a Big Cam

I'm modifying my Holley Carburetor so I can finally get the throttle blades in the right position for the transfer slots. This mod will help the car run much better at idle and off idle. It's extremely important for cars with a big cam running very low vacuum to have the throttle blades in the right position. Holley also sells the plates with holes pre-drilled in them if you want to purchase them.
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All videos are for entertainment purposes only. Attempt these projects at your own risk! If you do, make sure you follow all manufacturers instructions!