I don't think any1 will want to help you with a carbon model, they're incomplete and a lot of modeling needs to be done to make them look half way decent - so if you're inexperienced, that means all the work is going to be on the shouldas of he who chooses to help
my suggestion is to grab a pro street or undercover model
and if you need help converting, look here
http://s1.zetaboards.com/Kottons_Chop_Shop/topic/467340/