2,4 Liter engine 280 hp , incl. 420R dry sump
and 2,3 Arrow crankshaft
22.003,10 € incl. 19 % VAT
18.490,00 € excl. VAT
Cosworth rollerbarrels,
Cosworth Carbon Trumpets with Airfilter
4.165,00 € incl. 19 % VAT
3.500,00 € excl. VAT
Surcharge - Engine wiring harness and MBE 9A4 ECU.
1.606,50 € incl. 19 % VAT
1.350,00 € excl. VAT
Ancilliaries , incl. injection system,
starter motor, alternator
1.178,10 € incl. 19 % VAT
990,00 € excl. VAT
Surcharge for Testing and break-in on Cosworth dyno.
Hot Test, Ready for Race
1.184,05 € incl. 19 % VAT
995,00 € excl. VAT

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Cosworth has developed and built a 2.4 litre engine (2339ccm) with 280 hp specifically for Westermann Motorsport.

The basis of this engine is the 2.5-litre Ford Duratec engine with 2488ccm displacement, along with a 2.3 litre (2261ccm) crankshaft .

Advantage of 2.4 vs. 2.5 litres:

  • lower piston speeds, 94mm to 100mm piston stroke
  • significantly lighter crankshaft  (a balance shaft is not required)
  • no VVC

Thus, we now have a solid, light and high-revving engine in the product range now that the 2.3 litre engines are no longer available.

This engine has been tested by experienced racing drivers extensively on international high-speed GP tracks such as Hockenheim, Monza, Mugello, as well as in 500km endurance races.

There are well-known companiess which offer engines based on a 2.4 litre architecture with 300 - 310 HP. We have deliberately decided against such a concept for a variety of reasons, ultimately deciding to go our own way with a durable circuit and road engine that has somewhat less power on paper, but offers significant advantages for our applications:

  • Cosworth is one of the most-known premium manufacturers     --> higher resale value
  • Cosworth has many proven years developing Duratec engines
  • Attractive pricing
  • No need to change differential ratios
  • Longer intervals between rebuilds - i.e. lower operating costs
  • Crankshafts from the 2.3 litre (Caterham CSR 200 and CSR 260) or ARROW 2.3 can be used
  • Forged con rods from the Cosworth 2.3 litre
  • Caterham compatible dry sump and cooling system (existing systems can be adopted)
  • Flywheel, clutch and bellhousing are taken from Duratec base models (original Caterham parts)
  • Camshafts and valve train from the 280 hp 2.3 Cosworth
  • Compatible with Caterham or Cosworth roller barrel injection systems
  • Fuel system and wiring harness from the Caterham R 300/400/500, C 400, CSR 260
  • Exhaust system R 300/400/500, C 400, 420R, CSR 260 + 2.3 Cosworth with 280 hp
  • Ready to Race engine mapping is supplied by Cosworth / WESMO. No further rolling road setup necessary.
  • Hot test and break-in on a Cosworth dyno optionally possible.
  • Engine setup to 95 octane fuel.
  • Guaranteed spare parts supply through Westermann Motorsport
  • Use in class 1 at the SMRC or Magnificant Seven Series with many drivers in each class.
  • Affordable upgrade of a R 300/400/500, 420R, C400, CSR 260
  • Cylinder head can be taken from the 2.0 or 2.3 (price reduction with a donor/core engine)