Fiat F500 Prancing Mouse

Now, in the span of over 30 years since the last Fiat 500 rolled off the production line in 1975, what do you think fans of the Fiat 500 have been doing? Restoration and outright pimpage of course. Introducing the Prancing Mouse – a Fiat 500 done up at the former premises of the Arrows F1 team at Leafield, rechristened the F500. The Fiat F500 Prancing Mouse is built by Hartham, a race car constructor, will do 0-100km/h in under 4 seconds and hit a top speed of 193km/h.

The Fiat F500 trades in it’s tiny 2-cylinder boxer engine for an L-Twin superbike engine from the Ducati 999R – an fuel injected liquid cooled 999cc Testastretta Desmodromic 8 valve making 150hp at 9,750rpm. The engine is also available in a higher state of tune churning out 200hp, and this is mated to a sequential 6-speed gearbox. The tiny brakes for a tiny car have been replaced with Brembos, and the chassis is a carbonfibre composite. Yes, another car powered by a bike engine.

Production of the Fiat F500 is strictly limited to 500 units. More technical specifications after the jump.

ENGINE

Type – Ducati 999R. L-Twin, 8 valve Testastretta Desmodromic; liquid cooled;
Displacement – 999cc;
Bore & stroke – 104 x 58.8mm;
Compression ratio – 12.5:1;
Power – 110kw – 150hp @ 9750rpm (200hp WSB spec. available);
Torque – 11.9kgm @ 8000rpm;
Fuel injection – Marelli electronic fuel injection, 54mm throttle body;
Exhaust – Single carbon muffler with catalytic converter;
Emissions – Euro 2;
Lubricants – Shell Advance

PERFORMANCE

0-60mph – Sub 4 sec (estimate);
Top speed – 120mph (limited);
Power to weight – 428bhp / tonne standard. (up to 600bhp / tonne available);
Weight distribution (%) – 53R : 47F

BODYWORK

Exterior – Carbonfibre panels suspended on chassis tub; Ferrari Rosso Corse red paintwork;
Interior – Painted & natural carbon dash, crema leather door-cards

CHASSIS

Chassis tub – Folded & bonded carbon skins over 1” aluminium honeycomb – composite monocoque, aluminium hard points;
Roll-over structure – Full FIA specification cage in chromoly tube;
Crumple zone – Front mounted composite energy absorption structure

DRIVER ENVIRONMENT

Pedalbox – Bespoke billet CNC machined aluminium pedalbox;
Gear change – Sequential H-pattern – chrome gearlever gate;
Dash – Re-trimmed Ducati clocks;
Steering wheel – Fiat 500 mounted onto quick release boss & collapsible column;
Seat – Carbonfibre seats trimmed in crema leather;
Harness – Six point Sabelt racing harness

WHEELS, HUBS, UPRIGHTS, BRAKES & STEERING

Wheels – 13” split rims in aluminium or magnesium with centre lock mounting;
Hubs & uprights – Bespoke billet CNC machined in aerospace grade aluminium;
Brakes – Brembo four pot alloy callipers on Brembo Composite Ceramic discs;
Steering rack – Motorsport aluminium quick rack – 1¼ turn

SUSPENSION

Wishbone – Independent aero-section asymmetric double wishbones;
Springs / dampers – Push rod activated, inboard Nitron three way adjustable spring dampers;
Setup – Fully adjustable corner-weights, camber, castor, toe & ride height;
Bearings – Aerospace grade spherical and rod end bearings

TRANSMISSION

Gearbox – Six speed sequential;
Ratios – 1st 37/15, 2nd 30/17, 3rd 28/20, 4th 26/22, 5th 24/23, 6th 23/24;
Primary drive – Straight cut gears; ratio 1.84;
Final drive – quaife differential with integral reverse gear;
Clutch – Dry multiplate with hydraulic control;
Gearchange – Chrome H-pattern gate, twin cable operated;
Driveshafts – Splined with lightweight motorsport tripoid joints

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