RPE RP-V8 is the name of a naturally-aspirated V8 engine series developed by Radical Sportscars in Peterborough, England for use in the SR8 sportscar. The design is loosely based on the inline-four engine produced by Suzuki for their Hayabusa motorcycle. The company have designed their own cylinder block and use existing Suzuki cylinder heads. The two cylinder banks are inclined at 72-degree angle. Lubrication is provided by a dry sump system. The engine is mated to a purpose-built transaxle designed by Quaife. There are currently two versions of the engine available, which have been updated for 2011. First is the base model which retains the original bore and stroke of the K8 Hayabusa design and produces . Second is the bored and stroked model which produces up to . Specifications (from Radical Sportscars) Engine maximum motive power: maximum revs: 10,500 revolutions per minute steel flat-plane crankshaft Twin pump lubrication system Four scavenge pump dry sump system Rotary vane coolant pump Pre-engage starter motor Belt-driven 45 amp alternator 45 mm eight-throttle body induction system Bellhousing and clutch Twin-plate dry clutch Integral oil tank capacity: Integral rear engine mount Engine - gearbox spacing: Dry weight: Transaxle Six-speed constant mesh manual transmission transaxle Sequential shift - 6 forward, 1 back Torque-biased limited-slip differential Integral oil cooling pump Pressure fed lubrication system Dimensions Length: Width: Height: Dry weight: References Automobile engines Automotive technology tradenames Internal combustion piston engines V8 engines Gasoline engines by model