the GT mod. http://www.racesimcentral.net/
On the 8th, new Porsches were made available which now work correctly.
Set the grid to random so quick mode race will work.
Until they finalize the physics, set the brake balance more to the front to
reduce the rear from coming around under braking .
Det damage multiplier at 30% to 40%.
For multiplay at Relay, set the modified vehicles option to "allowed".
David G Fisher