Specifications

Specifications

Description

Manufacturer.................................. Hi-Tech Automotive

Year............................................................................... 2003

Make........................................................... Superformance

Model........................................................................ Coupe

Chassis and Body

Layout......................................... Front engine, rear drive

Body........................................ Hand laid fiberglass cloth

Frame........................................ Space frame tubular steel

Brakes: Front.......................... 12.8” x 1.25” vented discs

  Rear:....................................... 12.0” x 1.00” vented discs

Brake assist............................................................ Vacuum

Total sweep area.................................................. 428 sq in

Sweep area per ton.............................................. 300 sq in

Wheels, standard........................... Traditional FIA style

  Front.................................................... 18” x 8” cast alloy

  Rear.................................................... 18” x 10” cast alloy

Tires, standard........... Dunlop Sport 9000 Z-rated radial

    Front.................... ............................................ 255/45-18

    Rear.................... .............................................. 285/50-18

Steering................... ........ Rack and pinion, power assist

Turns, lock to lock......................................................... 2.5

Turning circle............................................................... 42 ft

Suspension: Front....... Double A-arm, coil over shocks

 Rear: Double A-arm with trailing link, coil over shocks

Weight and Geometry

Curb weight............................................................. 2980 lb

Weight distribution front/rear........................ 47% / 53%

Wheelbase................................................................ 93.2 in

Track (front/rear).............................................. 56.5/58.3 in

Length..................................................................... 175.0 in

Width........................................................................ 73.6 in

Height........................................................................ 49.2 in

Ground clearance..................................................... 6.25 in

Trunk space............................................................ 9.5 cu ft

Drag Coefficient, Cd..................................................... 0.28

Engine

Type........................................................ Ford Windsor V8

Valve train......... Overhead valve,  2 valves per cylinder

Block............... FRPP Sportsman, cast iron, 2-bolt mains

Heads.................................................. AFR 185, aluminum

Valves (intake/exhaust)................................. 2.02 / 1.60 in

Carburetor............. Holley 750 cfm 4 barrel, vacuum sec.

Intake manifold... Edelbrock Performer RPM dual plane

Headers..................................................... 4 into 2 headers

Exhaust.................................. Side exhaust routed to rear

Cam............................................................. Hydraulic roller

Displacement.......................................... 402 cubic inches

Bore x Stroke............................................. 4.000 x 4.000 in.

Compression Ratio.................................................. 10.00:1

Maximum gross horsepower............. 500 HP at 5500 rpm

Maximum gross torque.................... 500 lb-ft at 4000 rpm

Redline................................................................... 6250 rpm

Drivetrain

Transmission..................... Tremec T-56 6-speed manual

                  Transmission            Overall           Max speed

Gear                  ratio                      ratio                     @ rpm

1st ..................... 2.97..................... 10.28............. 51 @ 6250

2nd .................... 2.04...................... 7.06.............. 75 @ 6250

3rd ..................... 1.43...................... 4.95........... 107 @ 6250

4th ..................... 1.00...................... 3.46........... 152 @ 6250

5th ..................... 0.80...................... 2.77........... 191 @ 6250

6th ..................... 0.62...................... 2.15........... 204 @ 5200

Final drive ratio............................................................. 3.46

Engine rpm at 60 mph in 6th gear............................... 1530

Accommodations

Seating capacity................................................................. 2

Headroom................................................................ 35.75 in

Seat travel....................................................................... 4 in

Instrumentation

Speedometer, Tachometer, fuel level, water temperature, oil pressure, oil temperature, volt meter

Warranty

Superformance provided rolling chassis....... 12 months

Performance Estimates

Acceleration

Time to Speed                                                        Seconds

0-30 mph........................................................................... 1.7

0-60 mph........................................................................... 3.9

0-80 mph........................................................................... 6.1

0-100 mph......................................................................... 8.2

0-120 mph....................................................................... 11.5

0-140 mph....................................................................... 15.0

 

Time to Distance                                                   Seconds

0-100 ft.............................................................................. 2.8

0-500 ft.............................................................................. 6.7

0-1320 ft (1/4 mile).................................... 11.9 @ 123 mph

0-3281 ft (kilometer).................................. 21.2 @ 161 mph

0-5280 ft (mile)........................................... 29.7 @ 179 mph

Fuel Economy

Steady State Cruise, 6th Gear

Speed                                                         Miles per gallon

60 mph............................................................................ 23.5

80 mph............................................................................ 21.8

100 mph.......................................................................... 18.0

120 mph.......................................................................... 14.6

Fuel capacity.............................................................. 21 gal

Notes

Performance estimates in the data panel are estimates from a performance simulator and have been confirmed in prototype testing.

 

All figures are for sea level standard conditions.