:screwy: I have a '92 lumina Z 34, that needs a Intake Manifold replacement. I am not for sure what all you need to do to replace this Intake Manifold, can you please help me??

I have a 94 Lumina Z34, 3.4 DOHC and I have had mine off several times.
Go down to the Auto store and get an intake gasket kit. It includes the 2 intake manifold gaskets, the inlet plenum gasket and the O-ring for the coolant passage.
The hardest part is removing all the interference. Check out this link, it has some good pictures and text. Just remember the order in which you took things out. My first time I had to keep pulling the intake off because I would fine a hose that was supposes to be routed under the inlet plenum!

http://www.60degreev6.com/modules.php?op=modload&name=DOHC&file=index&req=viewarticle&artid=16&page=1

:p Thank you very much for the help! You were very helpfull!!

Anytime