Better progression for MM 1.5
Increments stats progression for Drivers, Engineers and Mechanics by x10
Also Engineers can improve their skills with HQ buildings:
Wind Tunnel improves Front Wing and Rear Wing skills
Test Track – Engine skill
Telemetry Centre – Gearbox
Brakes Research Facility – Brakes
Ride Handling Development – Suspension
Staff Housing – All
It’s improving too fast?
Try x3 mod: http://steamcommunity.com/sharedfiles/filedetails/?id=1204400024