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Specification - Data sheet

GTM CARS LTD GTM SPYDER Specification / Data sheet

Engine   Rover 'K' Series 1400cc - 1800cc VVC
    Honda VTEC 1600cc
Chassis   Monocoque weight = 130 kg
    Torsional stiffness = 12000 Nm/deg (windscreen fitted)
Steering   Unassisted rack and pinion
    2.7 turns lock to lock
    Turning circle = 10 m
Factory built car
Disc diameter = 305 mm (front vented, rear solid)
    Cast iron 4 piston callipers
    Mechanical handbrake on rear callipers
    Servo assistance
Wheels & Tyres
Factory built car   
7.0 x 16 Low pressure diecast aluminium wheels
    205 / 45 ZR17 Goodyear F1 tyres
Front Suspension
Factory built car  
Double wishbone
    AVO coil over dampers, gas adjustable 22 step rebound / bump
    Adjustable spring seat
    Ride frequency 90 cpm (1.50 Hz), adjustable by changing spring rates
    Wheel travel = 60mm bump, 70mm rebound
    Static camber = 0 degrees, adjustable by shimming
    Camber gain in bump = 15 degrees per metre
    Anti-dive = 10%
    Roll centre height = 27mm
    Kinematic steer = none
    Castor = 7 degrees
    King pin inclination = 11.5 degrees
    Scrub Radius = 11mm positive
Rear Suspension
Factory built car   
Angled double trailing arm
    AVO coil over dampers, gas adjustable 22 step rebound / bump
    Adjustable spring seat
    Ride frequency 98 cpm (1.63 Hz), adjustable by changing spring rates
    Wheel travel = 70mm bump, 70mm rebound
    Static camber = -2.0 degrees
    Combined toe-in = 0.5 deg
    Camber gain in bump = 23 degrees per metre
    Anti-squat = 55%
    Roll centre height = 0mm
    Kinematic steer = toe in on bump
Dimensions Length 3600 mm
Width (exc. door mirrors) 1635 mm
Height 1160 mm
Front overhang 745 mm
Rear overhang 584 mm
Wheelbase 2311 mm
Track (front & rear) 1383 mm
Centre of gravity height 400 mm
Monocoque weight 130 kg
Weight distribution (front/rear) 45% / 55%
Fuel tank capacity 35 ltrs
Alloy fuel tank capacity 45 ltrs
Boot capacity 116 ltrs
Turning circle 10 m
Torsional stiffness 12000 Nm/deg
Turns lock to lock 2.7
Headroom (seat to roof) 880 mm
Legroom max 1200 mm
Donor Metro parts Engine & gearbox
Engine ECU
Engine harness
Wiring harness
wheels & tyres
Self build kit contents


Engine frame
Front suspension
Rear suspension
Standard brake system
Steering column and rack
Cooling and heating system complete
Clutch, throttle cables and fixings


All necessary fibreglass parts (monocoque, doors, front and rear, battery tray, bootlid, roof panel etc.) in painted finish.
All exterior lights
Door system complete (locks, hinges, frames, winder mechanisms etc.)
Door mirrors
Spyder soft-top

Interior & Electrical:

Trimmed panels for facia, door casings, rear trim, gear lever, handbrake cover etc.
GTM Instruments (speedo, tacho, water temp, fuel)

Self build kit prices
(Jan 2009)
K Series (4 cylinder) £11,995
Honda 4 cylinder (1.6 or 2.0) £12,245

GTM Spyder Pictures

Click pictures to enlarge

The information supplied on this page is done so on a best efforts basis. The information relating to a car can change without notice to us. Please ensure you carry out you own research by talking to the manufacturer, owners, clubs etc before committing to any major purchase or route in your kit build. Specification information is generally garnered from the manufacturers website or brochure and is published here to give a more complete picture of the kit in question but is not guaranteed to be accurate or in date so shouldn't be used in isolation of other available sources of information.

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