ST205 (UK Specifications) Facts and Figures for Toyota Celica 1994-99 (ST20x)

Specifications
What?	Specification	Note
Length	4420mm
Width	1750mm
Height	1305mm
Wheel base	2540mm 2535mm	EEC countries Non EEC countries
Ground clearance	?
Luggage capacity	?
Max power	239bhp @ 6000 RPM	Note this is the UK figures. Jap figures quote an increased bhp of 255. This is probably due to their different fuel i.e. higher RON
Max torque	223lbft @ 4000 RPM
Kerb weight	1440kg
Gross weight	?
0 - 60mph	6.3s	Sounds a little conservative, this is a sub 6s car...
1/4 mile	?
Max speed	152mph	245kmh
Fuel tank capacity	68 litres
Fuel consumption at 56	34.9 MPG
Fuel consumption at 75	28.8 MPG

Engine
What?	Specification	Note
Engine name	3S-GTE	Revision 3 of this engine
Engine type	4 cylinder 16 valve DOHC
Engine material	Block - cast iron Head - aluminium alloy
Combustion chamber	Pent roof
Bore	86.0mm	3.39"
Stroke	86.0mm	3.39"
Capacity	1998cc	123 cu in
Compression ratio	8.5 : 1	165 - 8.5:1 185 - 8.8:1
Piston	Hypereutectic	Oil squirter fitted underneath each piston
Max rpm	7250
Compression test	164psi+	Minimum pressure 128psi. Cylinders not to differ by more than 14psi
Inlet valve clearance	0.15 - 0.25mm	Shim under bucket
Exhaust valve clearance	0.28 - 0.38mm	Shim under bucket
Inlet valve diameter	33.5mm	3 angle valve job as standard
Exhaust valve diameter	29.0mm	3 angle valve job as standard
Inlet camshaft	240 degrees	8.7mm lift
Exhaust camshaft	236 degrees	8.2mm lift
Injector size	540cc	Side fed injectors, low impedance 2.8Ω
Fuel pressure without engine running	33 - 39psi
Fuel pressure with engine running	36psi above inlet pressure	All the GT4s feature a rising rate FPR
Oil pressure	4.3psi+ - idle 36 - 71psi - 5000rpm	Fitted with a 6bar oil pressure regulator Note the pressure is 4.3psi - there is a typo in the Toyota BGB page EG-183
Oil capacity	5.2 litres 4.5 litres 4.0 litres	Dry fill Drain and fill with new filter Drain and fill without filter
Coolant capacity	7.0 litres
Intercooler capacity	2.5 litres
Idle speed	700 RPM	+/- 50 RPM
Thermostat opening temp	82^oC	TRD rated at 71^oC
Cambelt	177 Teeth	185 and 165 - 178 teeth

Transmission
What?	Specification	Note
Clutch	Single dry plate
Clutch operation	Hydraulic
Clutch fluid	DOT 3
Clutch free play	5 - 15mm
Gearbox code	E154F
Gearbox oil capacity	5.2 litres	GL-5 oil to be used Above -18^oC SAE 75W-90, 80W-90 or 90
Front differential	Open
Centre differential	Viscous
Rear differential	Torsen	Torque sensing Limited Slip Differential
Rear differential oil capacity	1.1 litres	GL-5 Above -18^oC SAE 90
Gear ratios	1 - 3.384 2 - 1.913 3 - 1.258 4 - 0.918 5 -0.731 Reverse - 3.545 Final drive - 4.285
Pinions	Front & centre - 4 Rear - 2
Propeller shafts	3 sections with 4 joints	165 - 20kg 205 - 17kg
Torque split	50 : 50	Front to rear ratio

Turbo
What?	Specification	Note
Name	CT20b	Dual entry and dual wastegate turbo. Some debate exists on whether the turbo fitted is a CT20 or CT20b....
Lubrication	Engine oil
Cooling	Engine coolant
Working pressure	11.9 - 16.7psi	Stock turbos seem quite happy running up to 17psi
Inducer size	48mm	The largest of all the GT4 turbo inducers
Inducer configuration	Twin 5 blade
Exducer size	?
Compressor inlet housing outer diameter	70mm
Compressor outlet	od - 53.5mm id - 45mm
Exhaust inlet diameter	?
Wastegate diameter	2 x 22mm	Fed individually from the "Twin Entry" system/design
Cat housing flange	7 stud	165 - 4 stud 185 - 6 stud
Inlet flange	T4

Ignition/Electrical
What?	Specification	Note
Spark plug type	NGK BKR6EP8	Platinum plugs
Spark plug gap	0.8mm	0.031"
Ignition timing	10^o BTDC	Whilst shorting TE1 and E1 terminals at the diagnostic connector
Firing order	1 - 3 - 4 - 2
Battery	?
Alternator	12V 80A
Battery specific gravity	1.28 1.18 1.080	Fully charged Half charged Discharged Non maintenance battery, taken at 20^oC
Charging rate	5A max	Non maintenance battery

Brakes
What?	Specification	Note
Front calliper	Floating 4 pot	Largest of all the GT4 brakes
Front disk	315 mm	Vented
Rear calliper	Floating 2 pot calliper	Only GT4 rear brake to be 2 pot
Rear disk	315 mm	Vented
Brake fluid	DOT 3	I'd go for a good DOT 4 fluid...
Brake pedal clearance	80mm
Pedal free play	1 - 6mm
Handbrake adjustment	4 - 7 clicks
Master Cylinder bore	24mm

Suspension
What?	Specification	Note
Front suspension type	Superstrut	The only GT4 to use this setup
Front spring rate (kg/mm)	~2.5 kg	4.3 - TRD 10 - TRD Coilover part 48000-ST0B0 4.3 - Tein S Tech 10 - Tein HA Coilover 10 - Tein Superstreet
Front anti-roll bar	15 mm
Rear suspension type	MacPherson strut & coil springs
Rear spring rate	?	3.9 - TRD 8 - TRD Coilover part 48000-ST0B0 3.7 - Tein S Tech 8 - Tein HA Coilover 6 - Tein Superstreet
Rear anti-roll bar	17 mm	19mm - Whiteline
Shock absorber type	?

General
What?	Specification	Note
Tyre size	215 50 R16 90W
Spare tyre size	T125 70 D17
Alloy	16" x 7.5"	3 spokes - light but look awful (in my opinion!)
Wheel offset	ET45
Wheel stud pattern	5 x PCD 100	Studs are M12x1.5mm
Centre Bore	54.1mm
Steering free play	<30mm
Steering turns	?
Turning circle	?
Power steering fluid	ATF DEXRON II
Maximum speeds per gear (allegedly)	1 - 35 2 - 63 3 - 95 4 - 130	mph
Available colours	040 - Pure White 202 - Astral Black 3L2 - Rosso 752 - Storm Blue, metallic 199 - Lucerne Silver, metallic ??? - Yellow ??? - Light Blue	Only available with a black trim interior Leather interior was an optional extra Recaro SR seats also an option extra
Available for sale in UK	?	1994 - £29,235 1995 - £30,168 1996 - £31,874 1999 - £31,792
Exhaust diameter	2.25"

Just a quick overall specification of the ST205

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Revision 0
Article submitted on 4 Jan 2011
Last modified on 4 Jan 2011
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