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Bob Smith's Series 1 Pro7 RX-7

Pro7

Car: Mazda RX-7 Series 1
Weight: 1025kg Minimum (including driver)
Suspension: KYB Twin Tube Gas, front and rear
Springs: Free (singles only)
Sway bars: Free
Wheels: 13” x 7”
Tyres: 205/60/13 Toyo Proxes R888
Brakes (front): 257mm Max diameter Disc
Brakes (rear):  Standard drum brakes or 257mm max diameter Disc
Calipers (front): Standard original
Calipers (rear): Optional 50.5mm single piston
Bias valve: Optional
Engine: 12A rotary Series 1 RX-7
Induction: Original 4 barrel NIKI (can be modified)
Exhaust: Free
Flywheel: Free (no aluminium)
Clutch: – Free (no twin or triple plates)
Radiator: Up to 3 core (No aluminium)
Gearbox: RX-7 Series 1, 2, 3, 12A Turbo, or MX5 5 spd
Diff: Standard 3.9
Bodywork: Front and rear Spoilers must be used

 

John Jackson's Series 6 Pro7 Plus Mazda RX-7

Pro7 Plus

Car: 1986-95 Mazda RX-7 Series 4 or 6
Weight: 1150kg Minimum (including driver)
Suspension: KONI Adjustable Front and Rear
Springs: Free (singles only)
Sway bars: Free
Wheels: 16” x 8”
Tyres: 225/45/16 Toyo Proxes R888
Brakes: 298mm Max diameter Disc
Calipers: Standard original
Bias valve: optional
Engine: 13B Rotary Series 6 RX-7
Induction: Composite Series 6/4 inlet manifold, Series 6 throttle body, Series 6 injectors
ECU: Link LEMV5, LEMG3, LEMG4
Exhaust: Free
Flywheel: Free (No aluminium)
Clutch: Free
Radiator: Free
Gearbox: Standard original
Diff: Standard 4.1
Bodywork: Front and rear spoilers must be used

 

John Forster's Mazda RX-8

RX-8

Car: Mazda RX-8
Weight: 1250kg minimum (including driver)
Suspension: As per class rules
Springs: As per class rules
Sway bars: Standard original.
Wheels: 18” x 8”
Tyres: 235/40ZR/18 Toyo Proxes R888
Brakes (front): 323mm max. diameter Disc
Brakes (rear): 302mm max. diameter Disc
Calipers (front): Standard original
Calipers (rear): Standard original
Brake pads: Free
ABS Braking: Standard original
Engine: RX-8 rotary 13B-MSP
Induction: Standard original
Cold air entry to air box: Free
ECU: Standard original except for class specified minor modifications
Exhaust: Free from front of catalytic converter back
Flywheel: Free (no aluminium, min. weight 10 lb.)
Clutch: Free (no twin or triple plates)
Speed limiter: Can be removed
Radiator: Max. size 675x470x100mm
Gearbox: RX-8 6 spd
Diff: Standard 4.444
Bodywork: Standard original