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ASR Formula 1991 - Ligier JS35B

F1 (1991)ASR OWC 1991
710 hp
Horsepower
505 kg
Weight
RWD
Drivetrain
1991
Year

Ligier JS35B (F1 1991)

The Ligier JS35B is the 1991 evolution of Ligier’s early-90s Formula 1 challenger, a French-built Cosworth-powered car that competed in the high-downforce, pre-electronics era of grand prix racing. In ASR’s 1991 package, it captures the raw, mechanical feel of a period when drivers had to manage everything with finesse, commitment, and a very busy right foot.

Key Specs (BoP-dependent, typical sim values)

  • Powertrain: 3.5L Ford-Cosworth DFR 75° V8, naturally aspirated, mid-mounted, longitudinal

  • Total Output: ~710 hp

  • Redline: ~13,000–13,500 rpm

  • Transmission: 6-speed manual/semi-automatic sequential

  • Weight: ~505 kg

  • Dimensions: ~4,470 mm long × ~2,150 mm wide × ~950 mm tall | Wheelbase ~2,960 mm

  • Tires: Goodyear slicks on period F1 wheels

  • Brakes: Carbon discs with multi-piston calipers

  • Layout: Mid-engine, rear-wheel drive

In the Simulator Feel

The JS35B is a light, twitchy, and intensely analog Formula 1 car that rewards commitment and clean inputs. Compared to modern F1 machinery it feels compact and direct, with very little margin for lazy steering or abrupt throttle application. The lack of electronic driver aids makes every lap a balancing act between keeping the car in the power and avoiding snap oversteer on corner exit.

Engine & Sound: The Cosworth DFR V8 is all about a hard-edged, metallic wail that builds into a frantic top-end scream as it climbs toward redline. There’s very little theatrical turbo drama here — just pure naturally aspirated aggression, crisp throttle response, and a classic early-90s F1 soundtrack that sounds alive at high revs.

Handling Characteristics:

  • Cornering: Sharp turn-in and quick direction changes, but it can feel nervous and skittish if you overdrive the front end.

  • Traction: Modest by modern standards; wheelspin is easy to provoke, especially on cold tires or over curbs.

  • Braking: Strong for the era, but you still need to trail brake carefully to avoid unsettling the rear.

  • Top Speed: Competitive for early-1990s F1, though downforce and gearing matter a great deal depending on circuit setup.

Driving Style Tip: Drive it with smooth hands and a patient right foot. The JS35B rewards momentum, precision, and disciplined throttle application more than aggression. It shines on flowing classic circuits where mechanical grip and driver confidence are just as important as raw power.

Livery & Aesthetics: The Ligier’s early-90s shape is beautifully clean and purposeful, with that unmistakable compact F1 silhouette and period-correct French character. In sim form it has all the charm of an old-school grand prix machine: exposed suspension, slim bodywork, and a cockpit that feels intimate and focused.

For drivers who enjoy the challenge of old-school Formula 1, the Ligier JS35B delivers a raw, demanding, and deeply rewarding experience — a proper snapshot of 1991 racing at its most mechanical and unforgiving.