Project EXI

The building of a Marlin 5EXi kit car, using a Seat Leon 1.8T 20v Donor

5EXi Specification

Engine Options
Honda Civic / Rover 200 1600 (Twin or single cam)
Honda B1.6, 1.8 or K20 Vtec Civic engine
Rover K-series 1.1 to 1.8ltr
Rover T-series Tomcat engine 2.0ltr Turbo

Honda R Honda or T series Turbo
Max power: 200 to 240Bhp (possible 300+ Bhp for Supercharged engines)
0 -60 mph: 3.5 secs est.
Max speed: 150+

Rover 1600 K-series 16 valve DOHC

Max Power: 120Bhp
0–60 mph: 5 secs
Max speed: 120 -+mph

Overall Specification of car
Circa 650kg (weight using K-series engine)
Overall Length: 3550
Overall Width: 1690
Track Width: 1680

5EXi donor options

Choice of:

Honda Civic B1.6, 1.8 Vtec (K20 Civic engines are also available)

Rover 200/25 1.6, 1.8, 2ltr Turbo

Honda donor parts required (from Marlin website)

  • Engine and gearbox assembly (including exhaust manifold, complete induction system, complete electrics package and engine mounts);
  • Brake calipers and discs (as available);
  • Front and rear driveshafts;
  • Radiator and rubber top mountings;
  • Fuel pump and fuel sender unit;
  • Handbrake lever brackets & rubber boots;
  • Handbrake disc brake cables;
  • Horn;
  • Instrument assembly;
  • Master cylinder;
  • Steering column switches, cowling and keys;
  • Wheel flanges;
  • Wheels and tyres (to be used during build even if you ultimately plan to use alternatives);
  • Windscreen wiper motor and single drive turret.

Rover donor parts required (from Marlin website)

  • Engine and gearbox assembly (including exhaust manifold, complete induction system, complete electrics package, battery tray and engine mounts);
  • Brake calipers and discs (as available)
  • Front and rear driveshafts
  • Fuel pump and fuel sender unit;
  • Gear lever and boot (including floor-mounted shaft and associated parts);
  • Handbrake lever brackets & rubber boots;
  • Handbrake disc brake cables;
  • Heater assembly (including distribution box, fans, controls, cables and water valve);
  • Horn;
  • Instrument assembly;

  • Master cylinder;
  • Pedal box assembly;
  • Radiator and rubber top mountings;
  • Servo;
  • Steering column switches, cowling and keys;
  • Wheel flanges
  • Wheel and tyres (to be used during build even if you ultimately plan to use alternatives);  
  • Windscreen wiper motor and single drive turret.
  • 5AS alarm box and fob switch