Toyota GZ engine
The Toyota GZ engine family consists of a single model, the 1GZ-FE. This engine is used as the powerplant for the Japanese market-only Toyota Century limousine from 1997 to 2016.1GZ-FE
The 1GZ-FE is a 48-valve DOHC V12 engine with variable valve timing. Bore is 81 mm and stroke is 80.8 mm, with a compression ratio of 10.5:1. Official output as per Japanese Manufacturers' Agreement is at 5,200 rpm although true power output is estimated to be around. Peak torque of is at 4,000 rpm with over available from as little as 1200 rpm. The Electronic fuel-injection system is controlled by two ECUs, one for each bank of 6 cylinders. The engine is capable of running on either bank of 6 cylinders should a malfunction occur.
In 2010 the standard engine was revised in order to meet tough fuel economy and emissions standards, reducing power slightly and peak torque to.
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A version is available running on compressed natural gas which produces and.
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