Alfa Romeo 690 engine
| Alfa Romeo 690 engine | |
|---|---|
| Overview | |
| Manufacturer | Alfa Romeo |
| Also called | Alfa Romeo 690RC |
| Production | 1996 |
| Layout | |
| Configuration | Naturally aspirated 90° V6 |
| Displacement | 2.5 L; 152.4 cu in (2,497 cc) |
| Cylinder bore | 96.0 mm (3.78 in)[1] |
| Piston stroke | 57.5 mm (2.26 in)[1] |
| Valvetrain | 24-valve, DOHC, four-valves per cylinder |
| Compression ratio | 13:1[1] |
| RPM range | |
| Max. engine speed | 12,000 rpm[1] |
| Combustion | |
| Fuel system | Fuel injection |
| Oil system | Dry sump |
| Output | |
| Power output | 373 kW (500 hp) @ 11,875 rpm[1] |
| Torque output | 320 N⋅m (236 lb⋅ft) @ 9,500 rpm[1] |
| Dimensions | |
| Length | 900 millimetres (35 in) |
| Width | 885 millimetres (34.8 in) |
| Height | 485 millimetres (19.1 in) |
| Dry weight | 85–110 kg (187–243 lb) |
The Alfa Romeo 690 engine is a custom-built, production-based, high-revving, prototype, four-stroke, 2.5-liter, naturally aspirated, V6 racing engine, designed, developed and produced by Alfa Romeo, purpose-built for the 1996 ITC season. It was loosely based on the PRV engine, used in the Lancia Thema 6v.[1][2][3]
Applications
[edit]References
[edit]- 1 2 3 4 5 6 7 Boretti, Alberto A. (October 23, 2009). "Design of the 690 and 420 Touring Car Racing Engines". SAE Technical Paper Series. Vol. 1. doi:10.4271/2009-01-1683.
- ↑ Quiniou, Louis (February 8, 2017). "#TouringCarMadness, 1996, Alfa Corse misses it for good…". Historic Motorsport Central. Retrieved 2025-06-26.
- ↑ Limone, Sergio (April 8, 2018). "Limone Tells: the truth behind Alfa 155 V6 Ti engine + 156 and Fulvia Concept" (Interview) (in Italian). Interviewed by Davide Cironi – via YouTube.
- ↑ "Alfa Romeo 155 2.5 V6 TI". Stellantis Heritage. Retrieved 2025-06-26.
- ↑ "1996 Alfa Romeo 155 V6 TI ITC". RM Sotheby's. Retrieved 2025-06-26.
- ↑ Collins, Peter (September 3, 2012). Alfa Romeo 155/156/147 Competition Touring Cars: The Development and Racing History. Veloce Publishing Ltd. ISBN 9781845843427 – via Google Books.[dead link]
- ↑ Dellis, Nick (April 1, 2016). "1996 Alfa Romeo 155 V6 TI". supercars.net. Retrieved 2025-06-26.
- ↑ Melissen, Wouter (30 September 2020). "Alfa Romeo 155 V6 TI DTM". Revs Institute. Retrieved 9 December 2022.
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