You can't see a vacuum, a vacuum is a process.
spagettie
* == 1st generation vacuum tube look like as a parallel electric bulb. _____ ----_____)
Look at the odometer, it will tell you what mileage it has.
look under the battery tray
If you look under the hood you will see a sticker with all the vacuum lines on it.
Look on the carb for a small vacuum source above the throttle body. You would want one that has no vacuum at idle.
If you have power brakes look where the large hose that goes to the brake booster connects to the engine and that is your main vacuum source.
The AC vacuum control valve on a 2005 Chevy Classic is located on top of the AC pump. Look for a small pipe that is shaped like an "L", that plugs into the AC pump.
That would depend on the application as there are many uses and shapes and specifications for a vacuum breaker
sounds like a head gasket. pull the oil dipstick and look for bubbles or a milky discoloration in the oil
It didn't look like anything as they didn't make a 1992 GTO.
it does not have one.