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1983 2.8 S-10 chevy 4x4

Discussion in 'Chevy Trucks' started by cwd, Aug 29, 2004.

  1. cwd

    cwd Junior Member
    Messages: 1

    I am having trouble with finding out information about the vacuum system on my truck. It has a slight miss and is running very rich. I have replaced some vacuum hoses and it helped. There is a vacuum connection in the front of the intake with four (4) lines attached. It seems to screw into the intake manifold. I do not know what it is called. When I spray silicone on it the engine seems to run faster.