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| Ferrari F40 LM | |
|---|---|
| Name | Ferrari F40 LM |
| Manufacturer | Ferrari / Michelotto |
| Production | 1989–1994 (conversion) |
| Assembly | Maranello |
| Class | Sports car / GT car |
| Body style | Two-door berlinetta |
| Layout | Rear mid-engine, rear-wheel-drive |
| Engine | 3.0 L twin-turbocharged V8 (Tipo F120) |
| Transmission | 5-speed manual (dogleg) / Weismann |
| Wheelbase | 2450 mm |
| Length | 4358 mm |
| Width | 1970 mm |
| Height | 1116 mm |
| Weight | ~1000–1100 kg (race-prepared) |
Ferrari F40 LM
The Ferrari F40 LM is a race-prepared variant of the Ferrari F40 developed for international GT racing and sports car racing by Michelotto in collaboration with Ferrari. Built to compete in series such as the IMSA GT Championship, BPR Global GT Series, and JAF GP, the F40 LM combines the roadgoing F40's chassis with extensive Abarth-style engine tuning, aerodynamic modifications, and chassis strengthening for endurance competition. The program involved teams and entities including Gulf Racing, Eurosport Racing, Jolly Club, and privateer entrants campaigning in events like the 24 Hours of Le Mans, 24 Hours of Daytona, and Spa 24 Hours.
Michelotto, a specialist based near Padua, had previously prepared Ferrari homologation specials such as the Ferrari 308 GTB conversions for Scuderia Ferrari clients and worked with Graham Hill-era teams on touring car adaptations. Responding to the dominance of purpose-built prototypes by Porsche 962 and the homologation-driven entries from Nissan and Jaguar, Michelotto and Ferrari engineers reinforced the F40's monocoque and revised suspension geometry to meet FIA GT Championship regulations and IMSA requirements. Early development tests took place at circuits including Monza, Imola, and Silverstone, with input from drivers associated with Derek Bell, Jean Alesi, Emanuele Pirro, and endurance specialists from Richard Lloyd Racing.
The heart of the F40 LM is the Tipo F120 3.0-litre twin-turbocharged V8 derived from the road F40's unit but extensively reworked by Michelotto and Ferrari engineers; internals, turbochargers by firms competing with Garrett and Mitsubishi Heavy Industries, and revised engine management inspired by electronics used by Magneti Marelli and Bosch. Power outputs ranged widely by boost level and racing spec, commonly quoted between 700–800 PS for qualifying trims and 600–680 PS for race durability, placing it alongside hyper-competitive engines from Porsche and Toyota. The transmission retained a 5-speed gated dogleg layout, strengthened with components from specialist suppliers associated with ZF Friedrichshafen and Sachs clutches. Brake systems used carbon-ceramic and steel options supplied by vendors with pedigrees in Le Mans prototypes. Suspension employed adjustable double wishbones with Öhlins or Koni dampers tuned for circuits including Spa-Francorchamps, Suzuka, and Laguna Seca.
Aerodynamic revisions moved far beyond the road F40's layout: enlarged front splitters, canards, and full-width rear wings influenced by lessons from Group C prototypes and teams such as Sauber-Mercedes. Cooling was enhanced with enlarged louvers, NACA ducts, and brake cooling ducts resembling solutions used by Porsche 962C programs; body panels were fabricated from lightweight composites by suppliers linked to Carrozzeria Scaglietti and composite specialists servicing Formula One teams. Weight reduction involved stripping interior luxury items and fitting racing safety equipment homologated by the FIA including roll cages developed to FIA GT standards. The result balanced downforce and drag for endurance circuits like Le Mans and sprint formats on circuits such as Donington Park.
The F40 LM saw competition success in national and international GT series: podiums and class wins in IMSA GT Championship events, competitive showings in BPR Global GT Series rounds, and sporadic entries at the 24 Hours of Le Mans where privateer teams campaigned against factory efforts from Mercedes-Benz, Nissan R90CK, and Porsche 962. Drivers associated with F40 LM entries included veterans from World Sportscar Championship grids and touring car champions linked to Jolly Club and Team Jolly Club. The car's top speed, depending on gearing and aero setup, could exceed 350 km/h on long straights like the Mulsanne Straight, while lap competitiveness varied against rivals from McLaren F1 GTR programs and specialist tuners fielding Nissan Skyline GT-R variants.
F40 LMs were conversions rather than factory-produced new chassis; Michelotto modified a limited number of road F40s and purpose-built tubs to LM specification. Surviving chassis are tracked by historians and collectors alongside provenance records maintained by Ferrari Classiche and private registries associated with RM Sotheby's and Bonhams auction houses. Variants and customer derivatives included endurance-specific trims, sprint-oriented low-drag builds, and bespoke liveried entries run by teams such as Gulf Racing UK and Eurosport Engineering. A partial chassis roster circulated among enthusiasts lists cars campaigned by Derek Bell-affiliated teams, Ecurie Ecosses-style privateers, and FIA-homologated entries in the early 1990s.
The F40 LM influenced subsequent GT regulations and the evolution of homologation specials by demonstrating how a road supercar could be transformed into a competitive GT contender, shaping design approaches seen later in the McLaren F1 GTR, Porsche 911 GT1, and Ferrari 333 SP programs. Its blend of extreme aero, high-specific-output turbocharging, and privateer support via firms like Michelotto informed strategies for BPR Global GT Series entrants and the later FIA GT Championship era. Collectors, historians, and motorsport institutions such as Aston Martin Heritage Trust and Goodwood Festival of Speed frequently feature F40 LM examples in exhibitions, underscoring its impact on endurance racing culture and supercar development.