Toleman TG184
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| Category | Formula One | ||||||||
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| Constructor | Toleman | ||||||||
| Designer(s) |
Rory Byrne Pat Symonds |
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| Predecessor | TG183B | ||||||||
| Successor | TG185 | ||||||||
| Technical specifications | |||||||||
| Chassis | Carbon fibre monocoque | ||||||||
| Suspension (front) | double wishbones, pull-rod actuated coil springs over dampers | ||||||||
| Suspension (rear) | double wishbones, push-rod actuated coil springs over dampers | ||||||||
| Engine | Hart 415T, 1,459 cc (89.0 cu in), Straight 4, turbo, mid-engine, longitudinally mounted | ||||||||
| Transmission | Hewland 5-speed manual | ||||||||
| Fuel | Agip | ||||||||
| Tyres | Michelin | ||||||||
| Competition history | |||||||||
| Notable entrants | Toleman Group Motorsport | ||||||||
| Notable drivers | 19.  Ayrton Senna20.  Johnny Cecotto19. / 20.  Stefan Johansson20.  Pierluigi Martini
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| Debut | 1984 French Grand Prix | ||||||||
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| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
The Toleman TG184 was a Formula One racing car designed by Rory Byrne and Pat Symonds and was used by Toleman Motorsport during the majority 1984 Formula One season. It was first raced at the French Grand Prix at Dijon. Like its predecessor, the TG183B, the TG184 was powered by the 4cly turbocharged Hart 415T engine which produced approximately 600 bhp (447 kW; 608 PS) in 1984.
The car's potential was evident early on with a second place in only its second grand prix scored by then rookie driver Ayrton Senna in the rain affected Monaco Grand Prix. Senna, who started 13th, sliced through the field with precision until he caught and passed race leader Alain Prost (McLaren-TAG) just before the start/finish line on lap 32 as Clerk of Course Jacky Ickx showed the red flag to stop the race due to adverse conditions. However, the rules stated that positions must be taken from the lap prior to the flag being shown. This saw Prost win and Senna finish second with only half points given due to the race not going past 50% of the scheduled distance. It was widely perceived that Ickx had denied Senna, Toleman, and engine supplier Hart their first Grand Prix win, although the team later revealed that Senna's TG184 had suffered suspension damage which they estimated would only have lasted another 3 or 4 laps in any case.
Underlying his future as a World Champion, more podiums came for Senna during the 1984 season with 3rd placings at both the British Grand Prix and the season ending Portuguese Grand Prix where Senna also placed 3rd in qualifying, the highest for the car. The podium finish at Monaco was the first for what is now Renault Sport F1.
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