Ports on ZC Manifold

[cheese9988]

Hey, I put my zc it runs and everything. But there are these ports here that I am not sure what thier there for. I read something on them to cap them off but the one is sucking in air and if I put my finger on it the engine stalls out. I don't know if they are causing the engine to stumble when you rev it up to???

 

[Projectzc]

plug them those are for an auto ZC which yours must have been many moons ago. Plug them up reset the ecu then start the engine you should be fine. Make sure all your other vac lines are hooked up like the map sensor etc.. And yes it is causeing a stumble at a higher rpm.

 

[cheese9988]

That fixed the problem on the first try!!!! Thanks man!

 

[Projectzc]

Good Enjoy driveing! Oh and its nice to know your ZC use to be an auto so it has not been beat on quite as bad. The only thing that really took the abuse was the old auto tranny.