This is what worked for me and it has worked when I had other people try it. Here goes. Do the test until you think it is the best you can do. With a complete attempt so you get a ghost of that lap. Then go to the demo, this will have the demo race against your ghost. This way you can observe with better knowledge of what is going on and see where you can push your car a couple more MPH or cut a corner an inch closer. This helps a ton. Let me know if this helps!!
:cheeburga: