Quote Originally Posted by GlennCMC70 View Post
The evap can on 99-02 fbodys is located on top of the tank.
LT1 cars have it on the driver side behind the rear tire hidden by a plastic shield.
Are V6 cars the same way? I'm kinda thinking vented cap and vacuum switching valve, so it vents to atmosphere when the ignition is on and stays shut when off, but can still vent via the cap if I leave it in the trailer in the middle of summer.