Caparo T1 engine

Last updated

Caparo T1 engine
Overview
Manufacturer Menard Competition Technologies / Nissan
Also calledMCT V8
Production2006–2015
Layout
Configuration Naturally-aspirated 90° V8
Displacement 3,494  cc (213.2  cu in)
Cylinder bore 93 mm (3.66 in)
Piston stroke 64.3 mm (2.53 in)
Cylinder block material Aluminium
Cylinder head materialAluminium
Valvetrain DOHC, four valves × cylinder
RPM range
Max. engine speed 12,000 rpm
Combustion
Fuel system Sequential Fuel Injection [1]
Management Pectel SQ6 ECU [1] [2] [3]
Fuel type Petrol / Methanol
Oil system Dry sump
Cooling system Water
Output
Power output 575–700  hp (429–522  kW)
Torque output 310–350  lb⋅ft (420–475  N⋅m)
Dimensions
Dry weight 256  lb (116  kg)
Chronology
Predecessor Nissan VRH35ADE

The Caparo T1 engine is a high-performance automobile engine originally developed by Tom Walkinshaw Racing (TWR), and later produced by Menard Competition Technologies (MCT). It was used in the Caparo T1 sports car from 2006 to 2015. The engine is derived from the Nissan VRH35ADE IndyCar engine. [4] [5] [6]

Contents

Overview

Originally called the Freestream T1, the Caparo T1 roadcar was intended to be powered by a supercharged 2.4-litre V8 that produced 480 bhp (358 kW). [7] [8] [9]

After the project was taken over by Caparo, that engine was abandoned in favour of a naturally-aspirated, 32-valve, 3,494 cc (213.2 cu in) V-8, with cylinder banks at 90°, and a dry-sump oil system. [10] It weighs 116 kg (256 lb). [11] The engine's block and cylinder heads are made of aluminium alloy, and its cylinder liners are of Nikasil-coated aluminium. The crankshaft is machined from steel billet, and is a flat-plane design. The injection system is sequential, with two injectors per cylinder. Each cylinder also has its own throttle butterfly. Actuation of the titanium valves is by finger-follower. [1] The MCT V8 is managed by a fully tunable Pectel SQ6 engine control unit, and uses a throttle-by-wire system. [11] [12] [13] [14] [15]

The production engine generates a maximum power of 575  hp (429 kW; 583 PS) at 10,500  rpm and a maximum torque of 310  lb⋅ft (420  N⋅m ) at 9,000 rpm, [16] giving the car a power-to-weight ratio of 1,223 horsepower per tonne (912.8 kW/t). An engine converted to methanol fuel is reported to have produced 700 hp (522 kW; 710 PS). [17]

In 2009, Caparo announced a high-performance version of the T1 called the Race Extreme, which seemed to retain the 3.5-litre engine base, but which was tuned to produce 625 bhp (466 kW). [18] An even higher output version of the car announced in 2014 was called the Caparo T1 Evolution, with an engine with a claimed output of 700 bhp (522 kW). [19] It is unclear what model engine this version is based on.

Applications

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References

  1. 1 2 3 Vijayenthiran, Viknesh (2007-06-08). "Final Specs For Caparo's New T1 Supercar". www.motorauthority.com.
  2. ↑ "Cosworth — SQ6". www.cosworth.com. Cosworth Electronics.
  3. ↑ "Pectel SQ6 ECU" (PDF). Cosworth Electronics. p. 1–6.
  4. ↑ Grabianowski, Ed (2000-12-04). "How the Caparo T1 Works". auto.howstuffworks.com.
  5. ↑ Sorokanich, Bob (16 November 2015). "CEO of Caparo T1 Project Found Dead in Suspected Suicide". www.roadandtrack.com.
  6. ↑ "Caparo T1 Test Drive". www.motor1.com. 29 June 2007. Archived from the original on 2021-10-21. Retrieved 2024-10-03.
  7. ↑ "Freestream T1 news — Brits build F1-style supercar — 2006". www.topgear.com. 7 February 2006.
  8. ↑ Horrell, Paul (1 November 2006). "Cutting-Edge Caparo: Meet Gordon Murray's latest roadgoinog F1 car". www.motortrend.com.
  9. ↑ Newman, Scott (22 Jun 2019). "2008 Caparo T1: Fast Car History Lesson". www.whichcar.com.au.
  10. ↑ "Caparo T1". Stratton Motor Company. 2021-01-04. Archived from the original on 2022-01-24. Retrieved 2024-10-03.
  11. 1 2 "2007 Caparo T1 Final Testing". Archived from the original on 2021-10-19. Retrieved 2024-10-03.
  12. ↑ Hackett, Kevin (9 August 2014). "Caparo T1 — Flying Low". www.motortrend.com.
  13. ↑ "A-Z Supercars: Caparo T1". www.evo.co.uk. 8 August 2013.
  14. ↑ McNamara, Phil (2007-06-08). "Caparo T1 (2007) in detail". www.carmagazine.co.uk.
  15. ↑ Kierse, Matthias (2019-06-27). "Caparo T1". www.secret-classics.com.
  16. ↑ "Caparo T1 official brochure" (PDF). Caparo. Archived from the original (PDF) on 2007-09-28. Retrieved 2007-06-23.
  17. ↑ Dellis, Nick (2016-03-26). "2007 Caparo T1". www.supercars.net.
  18. ↑ "Caparo Race Extreme news — Caparo gets hotter — 2009". www.topgear.com. 20 Mar 2009.
  19. ↑ Pattni, Vijay (6 August 2014). "The Caparo T1 Evo will get 700bhp". www.topgear.com.
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