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86 C4. I am looking for some help with some vacuum stuff. I am replacing the hard plastic lines that run under the plenum. I know one of those goes from the EGR valve to the solenoid, and one goes from under the throttle body to the solenoid, but there are a couple more that I am not sure...

1986 C4. Looking at changing some parts to soup it up a little bit. Went out today and started tinkering and noticed antifreeze on the garage floor under the drivers side. Hasn't been driven since October. Radiator, hoses and reservoir are dry. It does appear that I lost some coolant. Any help...

Hey everyone. New to the forum here and looking for some help or advice. 1986 C4 with an idle problem. Over the winter I changed the valve covers, gaskets and plugs. After getting it back together, I noticed the idle wasn't right. It has ran kind of rough since I have had it, but worse now...