The following notes are intended as a starting point for your Club Spec MX-5 (CSX) autocross set-up. On most dry, clean autocross surfaces these settings will result in moderate understeer to a neutral balance during steady state cornering and predictable behavior in fast transitions. Competitors are encouraged to use the range of adjustability available from the CS-X suspension to best match your driving style and course conditions.
A good place to start with air pressure is in the low- to mid-30 psi range, depending on the wear you experience. Air pressure can be used to fine-tune the behavior of the vehicle to adjust for driver preference, and all adjustments should be made in 2 psi increments. It's tempting to drop air pressure while searching for more grip, but keep in mind this may lead to tire roll-over and rapid shoulder wear.
| Front | |
|---|---|
| Camber: | -2.8 to -3.0 degrees. |
| Caster: | 5 to 5.5 degrees |
| Toe: | Zero |
| Rear | |
|---|---|
| Camber: | -2.3 to -2.5 degrees |
| Toe: | 1/8th inch total toe-in |
| Front | |
|---|---|
| Eibach Anti-roll bar: | Stiff position (Closest to the anti-roll bar chassis mount) |
| Penske Shock: | 0 to 2 clicks from the full stiff position |
Note: Increasing the front anti-roll bar stiffness will increase corner entry and steady state understeer if desired.
| Rear | |
|---|---|
| Eibach Anti-roll bar: | Soft position (furthest away from the anti-roll bar chassis mount) |
| Penske Shock: | 6 to 8 clicks from full stiff position |
Note: Increasing the rear anti-roll bar stiffness will reduce mid-corner understeer if present.
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