STS2 Miata Setup
Quick and dirty, here is the ever evolving setup for my STS2 Mazda Miata.
Suspension Modifications:
- Koni Sport shocks with “RACE” valving and shortened bodies. Single adjustable (rebound) and good for spring rates up to 1000 lb/in.
- Ground Control coilover sleeves
- Eibach 2.5″ ID race springs: 550 lb/in front, 350 lb/in rear
- Racing Beat 1.125″ diameter hollow front anti-roll bar
- Stock or no rear anti-roll bar depending on conditions
- Custom rod-end front anti-roll bar end links
- Enkei RPF-01 15″x7″ wheels
- 195/50R15 Bridgestone RE-01R tires
Engine Modifications:
- Jackson Racing 4-2-1 header
- EMI OEM type catalytic converter
- Enthusacar cat-back exhuast, mild steel piping, no resontator, uses a Borla muffler
- DDMWorks heatsheild intake
- Timing advanced to 14° BTDC
- 91 octane gas or better (due to timing)
Brakes:
- Unknown front pads
- Hawk HPS rear pads
Alignment:
- Front
- Camber 2.3°
- Caster 4.0° (maxed)
- Toe 0.30° (1/8″) out
- Rear
- Camber 2.5°
- Toe 0.20° in (almost 3/32″)
Typical Settings:
- Front Shocks: Turn to full stiff and back off 1.5 knobs on the Koni adjuster
- Rear Shocks: 3 knobs from full soft
- Tire Pressure: 36 psi hot (start @ 34 psi and bleed off as pressure rises)
ToDo:
- Install Odessey PC680 battery, hold down needed
- NB style rear shocks mounts, on order from FatCatMotorsports
- Convert to manual steering rack, manual rack on order
- Lightweight crank pulley, commitment from area racer to sell his used one
- Replace front alignment bolts, have bolts, will do after rack swap
- Drill out & replace broken bolts for driver’s front fender
- Roll front fenders
- Drill out broken screws for undertray & replace undertray
- Re-attach “baby teeth” and rear tow hooks