FAST FACTS
1974 Mazda RX-3

UNDER THE HOOD

ENGINE: Mazda 12A turbo twin-rotary

INTERNALS: Brand new 12A RX-7 Series-2 rotor housings, 12A turbo rotors, 3mm apex seals, Rotary Motorsport extend port

INDUCTION: Garrett GT35R turbocharger, custom HPC-coated exhaust manifold, 50mm IDA throttle body, custom plenum chamber, 45mm Turbosmart external wastegate, A.R.E. custom intercooler, radiator and oil cooler, 3-inch stainless steel intercooler piping, four 850cc Siemens injectors, 12A Weber manifold, Bosch 044 fuel pump, Carter pre-pump, Billet regulator, Billet inline filter, 3/8” fuel lines, 2.5-litre surge tank

ENGINE MANAGEMENT: MicroTech LT-10 with 3Bar map sensor

EXHAUST: Full 3-inch stainless steel mandrel bent exhaust system, HPC-coated dump pipe, high-flow catalytic converter, Racing Beat muffler

DRIVELINE

GEARBOX: W58 Toyota Supra 5-speed

CLUTCH COMBO: Chrome-moly flywheel, 1-tonne pressure plate, brass button 5-puck friction plate

DIFFERENTIAL: Toyota HiLux, 4.3:1 final drive

BRAKES: RX-7 Series-4 front rotors and calipers, RX-7 Series-2 rear rotors and calipers, Bendix pads

SUSPENSION

FRONT: KONI adjustable dampers, 1.5” lowered King Springs, 25mm swaybar, custom front strut towers, all new steering components including ball joints, tie-rod outer, tie-rod inner, idler arm, Pitman arm, control arm outer, Nolathane bushes

Rear: KONI adjustable shocks, 1.5” lowered King Springs leaf pack, Nolathane bushes

WHEELS/TYRES

16x6.5 and 16x7 F90 Simmons with 195/45/16 (f) and 205/45/16 (r) Falkens

INTERIOR

MOMO steering wheel, SAAS front seats, reshaped rear seat, custom black leather re-trim with gold stitching on the seats and door trims, custom embroidery, new hood lining, custom parcel shelf, Auto Meter oil pressure gauge

ICE

Clarion CD head unit, 6x9 Clarion speakers

EXTERIOR

Full re-spray in Lexus Gold 2-pac, massaged front guards

TROPHIES
Top Rotary – 2006 Jamboree

PERFORMANCE

MAX.POWER: 230rwhp (172rwkW) on 6 psi (running in the engine) — Ben Hunt at Rotary Motorsports

BEST ET: Still running in the engine



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