VW GOLF GTI Clubsport Edition 40 #10
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REVO Stage 1
2.0 TSI EA888 Gen 3
The 2.0TSI EA888/3 or Gen3 was designed to be lighter and more efficient. First of all, the engine got a new cast iron cylinder block with thinner walls by 0.5 mm (3 mm instead of 3.5). There are new steel crankshaft, pistons and rings, oil pump and light-weight balancing shafts. The new engine design incorporates an entirely redeveloped cylinder head. It is a 16-valve aluminum DOHC cylinder head with an integrated and water-cooled exhaust manifold. Like before, the camshafts are driven by the timing chain and AVS system is applied for the intake valves only. But the variable valve timing system is available for both camshafts.
The 2.0TSI EA888/3 is equipped with dual injectors. One set is mounted in the port (MPI) and another set is inside the cylinders (direct injection), for that extra efficient power when needed. The max boost was increased up to 1.3 bar (18.8 psi). It became possible by installing the new turbocharger (IHI IS20) with a new electronic wastegate, which adjusted the boost pressure. The CULA, CULB, CULC, CPLA, and CPPA versions are equipped with a smaller and less powerful turbocharger - Garrett MGT 1752S.
For high-performance vehicles, the engineers did some improvements in the design. The engines with code CJX have slightly different cylinder head shape, performance intake camshaft, bigger exhaust valves, reduced compression ration to 9.3:1, new pistons, more productive injectors, and high-pressure fuel pump. The engines are turbocharged by IHI IS38 with the max boost of 1.2 bar (17.4 psi). More powerful versions come with a big air-to-air intercooler.
The Gen3 engines are equipped with Siemens Simos 18.1 electronic engine control unit (ECU). The upgraded 2.0 TSI EA888/3 corresponds to the latest emissions regulations such as Euro 6 for the European market.
© Richard Leigh.