Lavigne Distributors
137 Theresa Court
Manchester, NH 03103
603-627-6448
603-624-9539 (fax)
Technical Support
Mickey Love
Racing Development Engineering
603-628-7139
603-668-6726 (fax)

 
 
  TIGHT
Understeer Problem
Chart
    
         
  Corner Entry Corner Exit Center of Turn Constant
Check:        
Tires : Front        
Temperature       Too Hot
Pressure       Too Low
Compound       Too Soft
Tires: Rear        
Temperature       too cold
Pressure       too high
Compound       too hard
Stagger too little   too little  
Spring Rates        
Left Front       too stiff
Right Front too stiff too stiff too stiff too stiff
Left Rear   too soft   too soft
Right Rear     too soft too soft
Shock Absorbers        
Left Front   bump too stiff    
Right Front 1st stage too stiff rebound too stiff    
Left Rear rebound too soft      
Right Rear        
Sway Bar        
Rear       too soft
Front     too stiff too stiff
Ride Height       raise left front
        lower right rear
         
Brake Balance too much front      
Chassis flex flex flex flex
Suspension Links front bind front bone bottoming bottoming
Anti-Dive too much      
Anti-Squat   too little    
Driver over braking too much throttle pinching  
camber pulls to the more positive side  ::  caster pulls to the least positive side        
         
  LOOSE Oversteer Problem Chart    
         
  Corner Entry Corner Exit Center of Turn Constant
Check:        
Tires : Front        
Temperature       too cold
Pressure       too high
Compound       too hard
Tires: Rear        
Temperature       too hot
Pressure       too low
Compound       too soft
Stagger too much too much too much too much
Spring Rates        
Left Front   too stiff   too soft
Right Front     too soft too soft
Left Rear too stiff     too stiff
Right Rear too stiff too stiff too stiff too stiff
Shock Absorbers        
Left Front rebound too soft      
Right Front        
Left Rear   bump too stiff    
Right Rear 1st stage too stiff rebound too stiff    
Sway Bar        
Rear       too stiff
Front     too soft too soft
Ride Height       lower left rear
        raise right front
         
Brake Balance too much rear      
Chassis flex   flex  
Suspension Links bind rear bind rear bottoming bottoming
Anti-Dive too little      
Anti-Squat   too much
 
 
Driver overbraking too much throttle    
camber pulls to the more positive side  ::  caster pulls to the least positive side