INSTALLATION

(1) Download the file ok --> GPL.7z 146.342 Kb
(2) Extract it to your GPL folder replacing files and combining (or mixing up) folders (don't replace folders)
(3) Add the carset in GEM+

NOTE that a file with setups is provided. Extract it to /gpl/players/your__name.  
Those setups are from the original GPL but are rather good also for the 1967x cars.  
Setups of the McLaren are actually for the Eagle and their gearboxes relations should be adjusted accordingy for each track.