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Javier_AW11 escribió:si que es curioso!!! por qué dos motores "iguales"?

5M escribió:The bore was up again to 83.1 mm (3.27 inches) in the 2.8 L (2759 cc) 5M, produced from 1979 through 1988. Although 2-valve SOHC and carbureted versions were made, it is the fuel-injected DOHC 5M-GE that is the most common.

The SOHC engine produced just 116 hp (87 kW) at 4800 rpm and 145 lb·ft (196 Nm) at 3600 rpm.

In Australia the 5M-E (in 1985) was just 103 kW at 4800 rpm and 226 Nm at 3600 rpm due to the leaded petrol at the time.

In Europe the 5M-E produced 145PS/ 107 kW in the Crown MS112 and the Celica Supra MA61.

Applications:

5M

• Toyota Crown MS110

• 1980–1987 Toyota Crown MS112, MS123
  
• 1980–1986 Toyota Celica Supra MA47, MA56, MA61
  
• 1980–1987 Toyota Cressida MX62, MX63, MX72, MX73

5M-GE escribió:The 12-valve (2 valves per cylinder) DOHC 5M-GE is familiar as the engine of the Toyota Supra and Toyota Cressida of the 1980s. It was quite different from any previous member of the M family, with Bosch L Jetronic-derived electronic fuel injection (using an AFM intake measuring scheme), wide-angle valves, and belt-driven dual camshafts. It used hydraulic valve lifters, a first for Toyota. The use of rocker arms and valve lash adjusters eliminated the need for valve clearance maintenance, a world first for any twin cam engine.[5] This version of the M made its US debut in 1982's Toyota Celica Supra MK2. The 1982 version had a vacuum-advance distributor, whereas the 1983–1988 versions found in the Celica Supra and Cressida had full electronic control of the ignition system and distributor. The newer engine control system found in these later cars was named TCCS, or Toyota Computer Control System and, together with different intake runners, increased max power by 5 PS from August 1983.[6]

Output ranged from 145 to 175 hp (108 and 130 kW respectively), depending on exhaust system, emissions controls, compression ratio, intake runner shape (earlier models had round intake runners and later models had D-shaped intake runners), and ECU tuning.