intake manifold gasket

I ordered an intake manifold gasket kit and see the round gaskets, referred to as the lower intake manifold gaskets. The kit also has other gaskets referred to as the "upper" gaskets. I am wondering where the large black one gets installed.

Hello! I have documented my fuel injector replacement problem in previous articles. I have mis-assembled the throttle body. Examine this 3rd party copyrighted (probably)picture to help. See prev article for stackexchange source (not likely primary). I can not crank past the accessories coming...

I have a 2002 Ford Ranger XLT 2.3L. Today's project was simple: replace the Valve Cover Gasket, the Intake Manifold Gasket, and the Spark Plugs. Known screwups: Accidentally swapped two Valve Cover Screws (upper thread with nut screw switched with bolt screw) and only cleaned the gasket...

Within the next day or so, I'll be replacing the intake manifold gasket. The truck had been running poorly for a while; after a few hundred miles of horrible idle, the hissing noise and a can of carb cleaner pinpointed the problem. I'd already replaced fuel filter, air filter, pcv valve, and a...