I have to give this a break now, I am busy with other things for a while.
Also the tyre situation is way complex, have a look if you like...http://isiforums.net/f/showthread.php/1573
Look at the......rF2_TGM_TyreTool_Quickstart_V2.pdf
quickstart??
Its a well nice new feature but looks a little daunting/time consuming.
Makes squishy tyres.....http://www.youtube.com/watch?v=IPHjXEa0TaE
If this model does'nt make it into rFactor I may sell it on turbosquid.
I will remove 6 of it's exhaust pipes also, as it was a six cylinder engine.