Engine Performance: System: Turbocharger: Description

The Merkur XR4Ti uses a water-cooled turbocharger, mounted directly to the exhaust manifold with a wastegate assembly attached to rear of turbine housing. The turbocharger consist of a turbine/compressor assembly, oil supply system and wastegate. Other components include impellers, impeller shaft, bearings and impeller housings. The safety valve of the system is a pressure actuated wastegate that prevents excessive intake boost pressure. Engine oil pressure provides constant lubrication to the system.