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I have a 383 with a offenhauser 360 intake manifold that had a vacuum leak. So i removed the manifold and the valley pan and cleaned everything. My question is the valley pan extended up to the heads. Is this considered the intake gasket and if so do I need to apply sealer to one or both sides...

Hello I just finished installing a new Summitt carb on my 66 dart with a 383 in it. I have to crank it a lot and it will fire when i let off the starter. Then it wont idle I have to keep the rpms around 1500 to keep it running. Anything under 1500 and it wants to die. Could this be timing or...