Finally opened my Forza 3 yesterday

. Love it! (Now ordered the new Grand Theft Auto too)
Got a wicked Mk1 Golf Euro'd up with solid split rims and lowered as far as it'll go. I'll be playing this a little here and there, despite intending to save it for when I can actually waste a whole day playing it at a time.
Anyone found any insane engine conversions to make something innocent stupidly fast?
Paul, try using marketplace to buy some used/ready designed cars if you don't mind cutting corners designing them yourself. Otherwise, if its like Forza2 then its all about the Decals and layering.