If you would like to start on Oval maybe go onto the (FM) Oval Beginners! Server and test out the GTR Class on the track. When you do eventually learn the basic line join the (FM) Oval Junkies! Server and try the FO8. Just remember races are won on lap 1 you've got a whole 8 laps to get your way through the field.
Also, if you need an Oval setup, As I'm sure you know goto Setupgrid.net