 The internal combustion engine is a new turbocharged petrol engine based on the Audi 1.8-litre 20 valve block and head, as used in Formula Palmer Audi.Whereas the engine in the FPA car primarily uses standard road car components, the Audi F2 engine has been developed as a pure race engine.Prepared and built by Mountune Racing, the crankshaft, connecting rods, pistons, valves and camshafts are all-new components designed for high strength and light weight.