Engineering:Alfa Romeo 690 engine
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| Alfa Romeo 690 engine | |
|---|---|
| Overview | |
| Manufacturer | Alfa Romeo |
| Also called | Alfa Romeo 690RC |
| Production | 1996 |
| Layout | |
| Configuration | Naturally aspirated 90° V6 |
| Displacement | 2,498–2,500 cc (2–3 L; 152–153 cu in) |
| Cylinder bore | 88–93 mm (3.5–3.7 in) |
| Piston stroke | 61.3–68.3 mm (2.41–2.69 in) |
| Valvetrain | 24-valve, DOHC, four-valves per cylinder |
| Compression ratio | 12.5:1 |
| Combustion | |
| Fuel system | Fuel injection |
| Oil system | Dry sump |
| Output | |
| Power output | 400–500 hp (298–373 kW) @ 11,500-11,900 rpm |
| Torque output | 217–220 lb⋅ft (294–298 N⋅m) @ 7,700-8000 rpm |
| 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]
Applications
References
- ↑ Boretti, Alberto A. (October 23, 2009). "Design of the 690 and 420 Touring Car Racing Engines". SAE Technical Paper Series. 1. doi:10.4271/2009-01-1683. https://www.sae.org/publications/technical-papers/content/2009-01-1683/. Retrieved 2025-06-26.
- ↑ Quiniou, Louis (February 8, 2017). "#TouringCarMadness, 1996, Alfa Corse misses it for good…". https://historicmotorsportcentral.com/2017/02/08/touringcarmadness-1996-alfa-corse-misses-it-for-good/.
- ↑ "Alfa Romeo 155 2.5 V6 TI". https://www.stellantisheritage.com/en-uk/heritage/stories/alfa-romeo-155v6.
- ↑ "1996 Alfa Romeo 155 V6 TI ITC". https://rmsothebys.com/en/auctions/mi21/milan/lots/r0014-1996-alfa-romeo-155-v6-ti-itc/1097324.
- ↑ Collins, Peter (September 3, 2012). Alfa Romeo 155/156/147 Competition Touring Cars: The Development and Racing History. Veloce Publishing Ltd. ISBN 9781845843427. https://books.google.com/books?id=bpxID9TWDS8C&dq=alfa+romeo+690rc+engine&pg=PA92.
- ↑ Dellis, Nick (April 1, 2016). "1996 Alfa Romeo 155 V6 TI". https://www.supercars.net/blog/1996-alfa-romeo-155-v6-ti/.
- ↑ Melissen, Wouter (30 September 2020). "Alfa Romeo 155 V6 TI DTM". https://automedia.revsinstitute.org/alfa-romeo-155-v6-ti-dtm.
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