^^ (RTV silicone is what I meant - it's the small tube of black stuff that comes (or should come) with a good set of LIM gaskets.
http://en.wikipedia.org/wiki/RTV_silicone.) I got my UIM and LIM gaskets at Autozone for a combined total of about $90. The kit included several o-rings, the RTV, and a gasket for the connection between the throttle body and the plenum (I didn't replace this gasket since I never separated the throttle body from the plenum; I took them out in one piece.)