93.5-95 Supra Twin Turbo 6-speed specifications (most info applies to 96-98s as well):


Engine:
Type: Intercooled, sequential twin turbo, aluminum head w/ iron block, inline-6
Valvetrain: Belt-driven dual overhead camshafts, 4-valves per cylinder
Displacement: 183 cu in. / 2997 cc
Bore x stroke: 3.39 x 3.39 in. / 86.1 x 86.1 mm
Compression Ratio: 8.5:1
Horsepower (SAE): 320 hp @ 5800 rpm
Torque: 315 lb-ft @ 4000 rpm
Maximum Engine Speed: 6800 rpm
Fuel Injection: Electronic, sequential multi-port
Emissions controls: 3-way catalytic converter, feedback fuel-air-ratio control, EGR
Turbochargers: 2x Hitachi CT12
Wastegate: Toyota (on primary turbo only)
Maximum boost pressure: 11.6 psi
Fuel Required: Premium unleaded, 91 pump octane
Oil Capacity: 5.3 qt.

Drivetrain:
Transmission 6-speed manual:
Gear Ratio Overall ratio (rpm) mph
1st 3.83:1 12.50:1 (6800) 41
2nd 2.36:1 7.71:1 (6800) 66
3rd 1.69:1 5.51:1 (6800) 92
4th 1.31:1 4.28:1 (6800) 119
5th 1.00:1 3.27:1 (6800) 156
6th 0.79:1 2.59:1 (5500) 158

Final-Drive Ratio: 3.13:1, Torsen limited-slip

Chassis & Body:
Configuration: Front engine / Rear drive
Type: Unit construction with front subframe and rear rubber-isolated subframe
Body material: Welded steel and aluminum stampings

Brakes:
Front: 12.7 x 1.2-in. vented discs, 4-piston calipers
Rear: 12.8 x 0.6-in. vented discs, 2-piston calipers
Assist type: Vacuum, 4-channel ABS
Total swept area: 573 sq in.
Swept area/ton: 332 sq in.

Wheels / Tires:
Wheels: Cast aluminum: F 17 x 8.0 in., R 17 x 9.5 in.
Tires: P235/45ZR-17 f, P255/40ZR-17 r

Suspension:
Front: Upper & lower A-arms, coil springs, tube shocks, anti-roll bar
Rear: Upper A-arms, dual lower lateral links, semi-trailing links, coil springs, tube shocks, anti-roll bar

Steering:
Type: Rack & pinion, power assist
Overall ratio: 17.5:1
Turns, lock to lock: 3.0
Turning circle: 35.4 ft

General Data:
Curb weight: 3480 lb
Test weight: 3620 lb
Weight dist. (w/ driver): f/r, % 52 / 48
Wheelbase: 100.4 in.
Track: f/r 59.9 in. / 60.1 in.
Length: 177.7 in.
Width: 71.3 in.
Height: 50.2 in.
Ground clearance: 5.5 in.

Basic warranty: 36 mo / 36,000 mi

Interior:
SAE volume: front seat 52 cu ft
SAE volume: rear seat 20 cu ft
SAE volume: luggage space 10 cu ft
Seating capacity: 2+2
Front seats: Bucket
Seat adjustments: fore and aft, seatback angle, rear height
Head room: f/r 38.0 in. / 33.0 in.
Seat width: f/r 2 x 19.0 in. / 2 x 18.0 in.
Front-seat leg room: 43.5 in.
Rear-seat knee room: 24.5 in.
Seatback adjustment: 70 deg
Seat travel: 9.5 in.
Restraint systems: Front Manual 3-point belts, driver and passenger airbags
Restraint systems: Rear Manual 3-point belts
General Comfort: Excellent
Fore-and-aft support: Excellent
Lateral support: Good

Interior Noise:
Idle in neutral: 48 dBA
Maximum in 1st gear: 73 dBA
Constant 50 mph: 63 dBA
Constant 70 mph: 68 dBA

Instrumentation: 180-mph speedometer, 8000-rpm tachometer, coolant temperature, and fuel level

Acceleration:
0-30 mph 2.2 sec
0-40 mph 2.9 sec
0-50 mph 4.0 sec
0-60 mph 5.0 sec
0-70 mph 6.5 sec
0-80 mph 8.0 sec
0-90 mph 9.9 sec
0-100 mph 11.8 sec
0-100 feet 3.0 sec
0-500 feet 7.5 sec
0-1320 feet 13.5 @ 107.0 mph

Fuel Economy:
Normal driving: est. 19.0 mpg
EPA city/highway: est. 18/23 mpg
Cruise range: est. 330 miles
Fuel capacity: 18.5 gal.

Braking:
Stopping distance from 60 mph: 120 ft
Stopping distance from 70 mph: 160 ft
Stopping distance from 80 mph: 225 ft
Control: Very good
Fade: None
Pedal effort for 0.5g stop: 16 lb
Fade, effort after six 0.5g stops from 60 mph: 21 lb
Brake feel: Excellent
Overall brake rating: Excellent

Handling:
Lateral Acceleration (200-ft skidpad): 0.98g
Balance: Mild understeer
Speed thru 700-ft slalom: 66.0 mph
Balance: Mild understeer


Information derived from Car and Driver, Road and Track, and Motor Trend test articles.

Information and content accumulated by Mike Thomas

Mike T
94 Supra TT 6spd

[This message was edited by Mike T on October 15, 2002 at 12:17 AM.]