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reddog565 · 04-04-2019, 02:56 PM

Running this 3 duece set up on an elderbrook aluminum manifold.the manifold has a vacuum Port between the front and a center carb. that I'm using for my distributor and brake booster. The issue I'm having is,I have to run my manual choke about halfway closed in order for the engine to accelerate. The carburetors were rebuilt. It has a new fuel pump with a regulator. It's getting at least 6 lb of fuel pressure. I'm running a vacuum advance total vacuum advance is 37°.so, any thoughts why I have to run with the choke halfway closed?

04-04-2019, 02:56 PM	#1
reddog565 Senior Member Join Date: Feb 2019 Location: Pittsburgh PA. Posts: 130	3duce set up Ford 94 carburetors Running this 3 duece set up on an elderbrook aluminum manifold.the manifold has a vacuum Port between the front and a center carb. that I'm using for my distributor and brake booster. The issue I'm having is,I have to run my manual choke about halfway closed in order for the engine to accelerate. The carburetors were rebuilt. It has a new fuel pump with a regulator. It's getting at least 6 lb of fuel pressure. I'm running a vacuum advance total vacuum advance is 37°.so, any thoughts why I have to run with the choke halfway closed?