I messed with the trans.wav, the gravel.wav & the gravelskid.wav... also used gear change sounds from random RSRBR cars. If a nobody like me who doesnt know much about sound editing can string up something like this, I'de assume a person with sound editing background could create magic.
Testing sounds http://www.youtube.com/watch?v=bRICRP0cLSk _________________ "After u find the limit, something happens and suddenly you can push that little bit more" Ayrton Senna