congrats on taking the plunge. Youll be happier in the long run. Your in the right place with the blueman vehicle physics pack.
Hes constantly answering peoples questions and supporting the products he sells. You cant beat customer service.
There are some good racing kits in the mp.
There is also one example provided by epic under the learn tab of your launcher. Heres a link to another downloadable project. https://m.youtube.com/watch?v=2o1xSxEIODE
those 3 projects should give u a good start.