Cosworth JD / VJ engine

Last updated
Cosworth JD / VJ engine
Overview
Manufacturer Ford-Cosworth
Production1996–1999
Layout
Configuration 72° V10
Displacement 3.0 L (2,992 cc)
Cylinder bore 89 mm (3.5 in)
Piston stroke 48.1 mm (1.9 in)
Cylinder block material Aluminum alloy
Cylinder head material Aluminum alloy
Valvetrain 40-valve, DOHC, four-valves per cylinder [1]
Combustion
Turbocharger No
Fuel systemPort Fuel Injection
Management Cosworth ECU
Oil system Dry sump
Output
Power output 670–735  hp (500–548  kW)
Torque output approx. 230–270  lb⋅ft (312–366  N⋅m)
Dimensions
Dry weight 120  kg (265  lb)
Chronology
Predecessor Ford-Cosworth EC / ED engine
Successor Cosworth CR

The JD and VJ family is a series of 3.0-litre, naturally-aspirated V10 Formula One engines, designed by Cosworth in partnership with Ford; used between 1996 and 1999. [2] [3] The customer engines were used by Sauber, Stewart, Minardi, and Tyrrell. [4]

Contents

Overview

The JD, VJ and VJM V10

In order to produce a higher power at higher rpm, a completely new 2,992 cc (182.6 cu in) (89mm x 48.1mm) JD 72° V10 was designed for 1996, which produced about 670 bhp at 15,800 rpm, and used by Sauber Formula One team. This engine was further developed into VJ and VJM with the same V-angle, bore and stroke, reaching 720 bhp for racing, 730 bhp for qualifying, at 16,500 rpm. All three of these engines were badged as Ford Zetec-R as well, and used by several teams. In its debut season, the best result was another third place, this time taken by Johnny Herbert at Monaco. This was surpassed one year later by Rubens Barichello's sensational second place, again at Monaco, which was the first points finish for the newly formed Stewart Grand Prix team.

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References

  1. "F1 Cylinder Head Design and Pneumatics, a closer look - F1technical.net". www.f1technical.net. Retrieved 2021-10-09.
  2. "Engine Ford Cosworth • STATS F1". www.statsf1.com. Retrieved 2021-10-09.
  3. "Engine Cosworth • STATS F1". www.statsf1.com. Retrieved 2021-10-09.
  4. "Jekyll and Hide - the Dilemma of Using Ethanol Fuels". 28 October 2021.