as for original parts here is a list with links
http://lowclasscc.net/rc10_parts_list.pdf
now with that said. all currently available parts come in black. if you want white you will have to search elsewhere.
as far as racing it you need to mod it to run 2.2" wheels and tires. unless you do the tire upgrade you wont stand a chance on the track. there are also other upgrades that you can do to bring the car up to roar width. these mods would also be advisable. i race a vintage rc10 against the b4's. and the car i drive holds its own. but then again it has been highly modded to get it there.
racing a vintage buggy is not a cheap thing to do. i have more money tied up in mine than a 2 new b4's would cost. lets not forget about having enough spare parts with you on race night. cause if you break something it is very doubtful the track will have what you need on race night. break a part in practice without a replacement your done for the night.
now every bit of information you are seeking and needing is on rc10talk.com. don't be scared they don't bite much.