Mazda RX-7 FC, Full Specifications

Key Specifications

Spec	Value
Production Years	1985-1992
Manufacturer	Mazda Motor Corporation
Assembly	Hiroshima, Japan
Internal Designation	FC3S (Turbo), FC3C (Convertible)
Body Styles	2-door hatchback coupe, 2-door convertible
Layout	Front-mid engine, rear-wheel drive
Wheelbase	2,430 mm
Overall Length	4,310 mm
Overall Width	1,690 mm
Overall Height	1,270 mm (coupe), 1,280 mm (convertible)
Kerb Weight	1,200 kg (NA coupe), 1,280 kg (Turbo coupe), 1,350 kg (convertible)
Fuel Tank Capacity	63 L
Cargo Capacity	Approx. 340 L (coupe, seats up)
Drag Coefficient	0.31
Weight Distribution	51:49 front:rear (Turbo II)

Engine Specifications

13B Naturally Aspirated

Spec	Value
Type	Twin-rotor Wankel rotary
Designation	13B
Displacement	1,308 cc (2 x 654 cc)
Compression Ratio	9.4:1
Power	112 kW (150 hp) @ 6,500 rpm
Torque	190 Nm @ 3,500 rpm
Fuel System	Electronic fuel injection (EFI)
Induction	Naturally aspirated, 4-port variable intake
Ignition	Electronic distributor
Cooling	Water-cooled
Lubrication	Wet sump with oil metering pump
Oil Capacity	4.5 L (with filter)
Recommended Oil	10W-40 semi-synthetic
Redline	7,500 rpm

13B Turbo (Turbo II)

Spec	Value
Type	Twin-rotor Wankel rotary, turbocharged
Designation	13B-T
Displacement	1,308 cc (2 x 654 cc)
Compression Ratio	8.5:1
Power	150 kW (200 hp) @ 6,500 rpm
Torque	265 Nm @ 3,500 rpm
Fuel System	Electronic fuel injection (EFI)
Turbocharger	Single Hitachi HT18S
Intercooler	Air-to-air, front-mounted
Boost Pressure	0.45 bar (6.5 psi) factory setting
Ignition	Electronic distributor
Cooling	Water-cooled (engine and turbo)
Lubrication	Wet sump with oil metering pump
Oil Capacity	5.0 L (with filter)
Recommended Oil	10W-40 or 15W-50 semi-synthetic
Redline	7,500 rpm

Transmission

Spec	Value
Standard (manual)	5-speed manual
Optional	4-speed automatic
Clutch	Single dry plate, hydraulic actuation

5-Speed Manual Gear Ratios

Gear	Ratio
1st	3.483
2nd	2.015
3rd	1.391
4th	1.000
5th	0.719
Reverse	3.288

Final Drive Ratios

Variant	Ratio
NA Manual	3.909
Turbo II Manual	4.100
Automatic	3.727

Suspension

Naturally Aspirated

Component	Front	Rear
Type	Independent, MacPherson strut	Independent, semi-trailing arm
Springs	Coil	Coil
Dampers	Gas-pressurised telescopic	Gas-pressurised telescopic
Anti-roll Bar	Yes	Yes

Turbo II

Component	Front	Rear
Type	Independent, MacPherson strut	Independent, multi-link (aluminium)
Springs	Coil	Coil
Dampers	Gas-pressurised telescopic	Gas-pressurised telescopic
Anti-roll Bar	Yes	Yes

Brakes

Component	Front	Rear
Type (NA)	Ventilated disc	Solid disc or drum
Type (Turbo II)	Ventilated disc	Ventilated disc
Front Disc Diameter	272 mm (NA), 282 mm (Turbo II)
Rear Disc Diameter	272 mm (Turbo II)
ABS	Not standard (available on later models)
LSD	Standard on Turbo II, not available on NA

Steering

Spec	Value
Type	Rack and pinion
Power Assist	Hydraulic, power-assisted
Turns Lock-to-Lock	3.0
Turning Circle	10.0 m

Performance (approximate, period road tests)

Variant	0-100 km/h	Quarter Mile	Top Speed
NA Manual	8.8 s	~16.5 s	210 km/h
NA Automatic	10.5 s	~17.8 s	195 km/h
Turbo II Manual	6.7 s	~15.0 s	235 km/h
Turbo II Automatic	7.8 s	~15.8 s	220 km/h
Convertible Turbo Manual	7.2 s	~15.5 s	225 km/h

Fuel Economy (approximate, mixed driving)

Variant	L/100 km
NA Manual	12-14
NA Automatic	13-15
Turbo II Manual	14-18
Turbo II Automatic	15-19
Turbo II (spirited driving)	18-22+

Tyre Specifications

Variant	Front	Rear
NA	195/60HR14	195/60HR14
Turbo II	205/55VR15	205/55VR15
Common Upgrade	225/45R16	225/45R16

Wheel Specifications

Spec	Value
NA Standard	14” x 6.0” alloy
Turbo II Standard	15” x 6.5” alloy
Bolt Pattern	4 x 114.3
Centre Bore	54.1 mm

Electrical

Spec	Value
Battery	12V, 60 Ah
Alternator	70A
Headlights	Pop-up, H4 halogen
Ignition	Electronic distributor
Engine Management	Mazda EGI (Electronic Gasoline Injection)

Service Intervals

Service Item	Interval
Engine oil and filter	5,000 km or 3 months
Spark plugs (leading and trailing)	15,000-20,000 km
Compression test	Annually (recommended)
Coolant	24 months or 40,000 km
Gearbox oil (manual)	40,000 km
Differential oil	40,000 km
Brake fluid	24 months
Air filter	20,000 km
Turbo oil feed inspection	20,000 km
Vacuum hose inspection	Annually

Model Variants (Australian Market)

Naturally Aspirated Coupe

Spec	Value
Engine	13B NA (1,308 cc)
Power	112 kW (150 hp)
Rear Suspension	Semi-trailing arm
Rear Brakes	Solid disc or drum
LSD	No
Kerb Weight	1,200 kg

Turbo II Coupe

Spec	Value
Engine	13B-T (1,308 cc, turbocharged)
Power	150 kW (200 hp)
Rear Suspension	Multi-link IRS (aluminium)
Rear Brakes	Ventilated disc
LSD	Yes (viscous)
Kerb Weight	1,280 kg
Standard Equipment	Air conditioning, power steering, power windows, alloy wheels

Convertible (NA)

Spec	Value
Engine	13B NA (1,308 cc)
Power	112 kW (150 hp)
Kerb Weight	1,350 kg
Additional	Structural reinforcement, power soft top

Convertible (Turbo II)

Spec	Value
Engine	13B-T (1,308 cc, turbocharged)
Power	150 kW (200 hp)
Kerb Weight	1,380 kg
Additional	Full Turbo II chassis specification with convertible body

Production Numbers (Worldwide, Approximate)

Variant	Units
FC RX-7 Total (all variants)	~272,000
Coupe (NA and Turbo)	~220,000
Convertible (NA and Turbo)	~52,000