Team Owner of ItalianEnglish Dynamics in GPG Super League GP4 Season 5: 7) Jethro Walters. 8) Zsigmond Somogyi. TD) Stuart Ingers and Joel Henrique GP3 Season 5: 14) Nathan Turner. 15) Tobias Kederer. 6 Time Race Winners
I'm the person who runs the site and I know what you mean. I don't have GP4 or GP3 so I don't know wheather it would work in GP3. But you can find the files [rapidshare.com] there. Hope it helps.
Team Owner of ItalianEnglish Dynamics in GPG Super League GP4 Season 5: 7) Jethro Walters. 8) Zsigmond Somogyi. TD) Stuart Ingers and Joel Henrique GP3 Season 5: 14) Nathan Turner. 15) Tobias Kederer. 6 Time Race Winners
you would need to use Car Editor by Paul Hoad and ajust vertices of each polygon and make the general car look like the W300 car. Although you may want to be careful with those polies as some texture distortion may occur if you modify them too much