Installation:
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-Installation in CFS2:
Unzip " F3F-2 Barrel" into a temporary file and move the "F3F-2 Barrel" folder into the main CFS2\Aircraft directory. Copy the cfs2GPS.gau into your Gauges folder.You don't need the FS 2002 install file.

Installation in FS2002:
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-Unzip " F3F-2 Barrel" into a temporary file and move the "F3F-2 Barrel" folder into the main FS2002\Aircraft directory.
From the FS2002 install file :
Replace the aircraft.cfg and the Grum F3F-2.air (in the F3F-2 Barrel FS2002\Aircraft directory) . Replace the panel.cfg (in the panel folder). Let them overwrite the original ones.
For FS 2002 you needn't copy the CDP and Dp files.