zguyincali Posted March 14, 2011 Share Posted March 14, 2011 (edited) Hey everyone, got my engine running but it is running really rough. The engine is a 1980 L28 with a p82 intake manifold. So I'm trying to hook up all the vacuum lines and make sure they are in the right spot. Here is the ac vacuum tank. Heres the ASCD servo valve, not sure what connects to the purple arrow. I have a vacuum line coming out from the fire wall but im not sure where it goes. This valve is on the intake next to the hose that hooks up to the charcoal canister. Lastly, what hooks up to this fitting on the bottom? Edited March 14, 2011 by zguyincali Quote Link to comment Share on other sites More sharing options...
cgsheen Posted March 14, 2011 Share Posted March 14, 2011 (edited) Here's a pic or two of an original '81 280ZXT with the J-pipe and wiring harness out of the way. Hope it helps some... All of this should be in the FSM. Edited March 14, 2011 by cgsheen Quote Link to comment Share on other sites More sharing options...
zguyincali Posted March 14, 2011 Author Share Posted March 14, 2011 Thanks for the picutes. Helps with a couple things. I'll look at the fsm again to see if I can find it. Its hard when the configuration changed every year on these intake manifolds. Quote Link to comment Share on other sites More sharing options...
cgsheen Posted March 14, 2011 Share Posted March 14, 2011 Well, there's a few extra things on the turbo intake, but the basic parts and vacuum stuff is generally the same on all of them. The little valve on your last picture is for the A/C system. It increases the idle speed if the A/C is running. The missing line should go to your Idle Air Controller... Quote Link to comment Share on other sites More sharing options...
zguyincali Posted March 15, 2011 Author Share Posted March 15, 2011 Thanks again I found out that I had the fuel pressure regulators vacuum hose hooked to the wrong area. So I hooked it up to the fitting in the 4th picture with the orange arrow. So is the idle air controller conected right after the air regulator? Quote Link to comment Share on other sites More sharing options...
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