Toyota Car Parts - 3S-GTE Engines

The crankshaft, located within the crankcase, rotates on 5 aluminum alloy bearings and is balanced by 8 weights This prevents oil from being shifted away from the oil pump suction pipe Piston pins holding the pistons in place are locked by snap rings Oil holes are located in the middle of the crankshaft to provide oil to the connecting rods, bearing, pistons and various other components There are four generations of this engine, which started manufacture in 1986, and continues to the current day. A panel is used to ensure that there are sufficient oil available in the oil pan, as the oil moves around the reservoir during movement of the vehicle 8:1 depending on generation The compression ration is 8 An indentation is incorporated into the pistons to prevent the pistons from 'knocking' into the valves To adjust the valve clearance, adjust the shims above the valve lifters (shim over bucket system) Its cylinders are numbered 1-2-3-4, cylinder number 1 is beside the timing belt. The cam journal is supported on 5 points between the valve lifters of each cylinder and on the front of the cylinder head The 1st compression ring and the oil ring is made of steel, the 2nd compression ring is made of cast iron This allows for the replacement of the shims without the need to remove the camshaft The cam journals are lubricated by oiler port located in the middle of the camshaft The first two generations of 3S-GTE engines are equipped with TVIS. A distributor based system is used to fire the cylinders in a 1-3-4-2 order. Spark plugs are located in the middle of the combustion chambers. The pent-roof combustion chambers are complemented by a cross flow intake and exhaust layout. It was fitted to the MR2 , Toyota Celica GT-Four, and the Caldina. Various aftermarket solutions exist all of which require replacing the intake headers or manifold. The third generation uses a normal 4-runner intake manifold. The first and second generations used the Toyota CT26, although the second-generation turbo was modified for increased reliability. The cast iron cylinder block holds 4 86mm pistons and has a stroke of 86mm. The 1st and 3rd Celica generation intake charge was cooled by a Water to Air intercooler while the 2nd, 3rd MR2, and 4th generation relied on an Air to Air system.

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