We move the upper ball joints back for more caster. We also shortened the upper arm for a quicker camber curve. We lengthen the lower arm slightly for more static neg camber and less arc during travel. This combination produces excellent neg camber gain as the suspension travels up.
With stock upper and lower a-arms, we are barely able to get -0.5° of camber and +2° of caster with shims maxed out. With our Hotchkis A-arms, we can easily get -3° of camber and +6° of caster with room to adjust.
For street applications, we typically set up then 2nd gens with (-1° to -1.5°) of camber and +5° of caster. For autocross or track we set the camber anywhere from (-2° to -3°) and (+5° to +7°) of caster. These settings vary based on the current modifications that are already done on the car.
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