Alfa Romeo 690 engine explained

Alfa Romeo 690 engine
Aka:	690RC
Manufacturer:	Alfa Romeo
Production:	1996
Configuration:	Naturally aspirated 90° V6
Displacement:	2.5L
Valvetrain:	24-valve, DOHC, four-valves per cylinder
Power:	NaNhp @ 11,900 rpm
Torque:	220lbft @ 8000 rpm
Fuelsystem:	Fuel injection
Compression:	12.5:1
Oilsystem:	Dry sump

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

• 1996 Alfa Romeo 155 V6 TI^{[3] [4] [5] [6] [7]}

Notes and References

1. Book: Boretti, Alberto A.. https://www.sae.org/publications/technical-papers/content/2009-01-1683/. Design of the 690 and 420 Touring Car Racing Engines. SAE Technical Paper Series . October 23, 2009. 1 . 10.4271/2009-01-1683 . www.sae.org.
2. Web site:
   1. TouringCarMadness, 1996, Alfa Corse misses it for good…
   . Louis. Quiniou. February 8, 2017.
3. Web site: Alfa Romeo 155 2.5 V6 TI. www.fcaheritage.com.
4. Web site: 1996 Alfa Romeo 155 V6 TI ITC | Milan. RM Sotheby's.
5. Book: Collins, Peter. Alfa Romeo 155/156/147 Competition Touring Cars: The Development and Racing History. September 3, 2012. Veloce Publishing Ltd. 9781845843427 . Google Books.
6. Web site: 1996 Alfa Romeo 155 V6 TI | Alfa Romeo. Nick. D. April 1, 2016.
7. Web site: Alfa Romeo 155 V6 TI DTM. 30 September 2020 . 9 December 2022.