This is a great tool by Lo2k for GP4, 2005 Rev + Speed counter + F1 logo.
You can use it for GP3 and GP32k this way:
open panel.ini file and delete camera entry (f.i. CAMERA=2),
take GPxPatch, go to GPxCInfo and put it into the game.
Download from www.realgpx.com or www.m4driving.it.
Happy racing from Germany !!!