![]() ![]() The exhaust cams are connected via clutches to the other side, then run through gears that engage at varying times during engine operation depending on what equipment you want your car in.Įach cylinder in the 3RZ-FE engine has four valves: two intakes and two exhausts. The intake camshaft is driven by a timing chain that has hydraulic tensioners and oil jets for lubrication. ![]() The engine features four valves per cylinder and a dual overhead camshaft arrangement.įor the cylinder head of the 3RZ-FE engine, plastic region tightening bolts were utilized. The cylinder head is composed of aluminum alloy, which allows for efficient cooling. Two gear-driven balancing shafts are installed in the engine’s crankcase. Oil jets are inserted within the cylinder block to spray oil on the bottom of the pistons for further cooling. The Aluminum pistons are strengthened and have resin-coated skirts, which were also added to the engine. On top of that, Carbon steel connecting rods are shot-peened and forged. Both the bore and stroke are 95.0 mm, which makes it a square machine.Ī forged crankshaft with eight counterweights and a torsional damper pulley is used in the Toyota 3RZ-FE engine.
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