To adjust your race car at the track you must first understand what it is doing. Once you can determine what the car is doing on the track use the quick guide below to help adjust it.

Loose or Over steering (Rear tires fail to grip)
Move Right Rear tire in
Increase cross weight (LR+RF lbs.)
Reduce Front axle lead
Lower entire rear of car
Softer tire compound rear tires
Increase right front spring rate.
Decrease right rear spring rate
Lower rear Panhard Bar on frame side
Reduce air pressure rear tires
Reduce stagger rear tires
Widen the front end
Harder compound on Front tires
Reduce Tilt to the Chassis ½ turn out on the Right Rear and Right Front adjusters

Tight or Under steering (Front tires fail to grip)
Move Right Rear tire out
Decrease cross weight (LR+RF lbs.)
Increase Front axle lead
Raise entire rear of car
Softer tire compound front tires
Decrease right front spring rate
Increase right rear spring rate
Raise rear Panhard Bar on frame side
Increase air pressure rear tires
Increase stagger rear tires
Narrow the front end 
Harder compound on rear tires
Add Tilt to the Chassis ½ turn out on the Left Rear and Left Front adjusters


Adjusting for Less Grip
Harder tire compound Right Front and Right Rear
Add Tilt to the Chassis ½ turn out on the Left Rear and Left Front adjusters
Raise the Front and Rear Panhard Bars Equally
Stiffer Right Front and Right Rear Springs 10 lbs at a time
 
Adjusting for More Grip
Softer tire compound Right Front and Right Rear
Take Tilt out of to the Chassis
Lower the Front and Rear Panhard Bars Equally
Softer Right Front and Right Rear Springs 10 lbs at a time
 
Car Loose at Corner Exit
Reduce stagger rear tires
Raise the Front ride Height
Move the Right rear tire in.
Softer tire compound Right Rear
Increase Right front and left rear Corner Weights

Bicycling
Left side tires lose contact with the racing surface
More overall left side weight %
Harder tire compound (mainly RR)
More air pressure
Widen car
Add stagger to rear