The Toyota GZ engine family consists of a single model, the 1GZ-FE. This engine is used as the powerplant for the second generation

Century A century is a period of 100 years. Centuries are numbered ordinally in English and many other languages. The word ''century'' comes from the Latin ''centum'', meaning ''one hundred''. ''Century'' is sometimes abbreviated as c. A centennial or ...

limousine A limousine ( or ), or limo () for short, is a large, chauffeur-driven luxury vehicle with a partition between the driver compartment and the passenger compartment. A very long wheelbase luxury sedan (with more than four doors) driven by a prof ...

from 1997 to 2017.

1GZ-FE

The 1GZ-FE is a 48-

valve A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings ...

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...

V12 engine A V12 engine is a twelve-cylinder piston engine where two banks of six cylinders are arranged in a V configuration around a common crankshaft. V12 engines are more common than V10 engines. However, they are less common than V8 engines. The fi ...

with variable valve timing (

VVT-i VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing technology developed by Toyota. It was first introduced in 1995 with the ''2JZ-GE'' engine found in the JZS155 Toyota Crown and Crown Majesta. The VVT-i ...

). Bore is 81 mm and stroke is 80.8 mm, with a

compression ratio The compression ratio is the ratio between the volume of the cylinder and combustion chamber in an internal combustion engine at their maximum and minimum values. A fundamental specification for such engines, it is measured two ways: the stati ...

of 10.5:1. The official power output advertised in Japan per the

gentlemen's agreement A gentlemen's agreement, or gentleman's agreement, is an informal and legally non-binding agreement between two or more parties. It is typically oral, but it may be written or simply understood as part of an unspoken agreement by convention or th ...

is at 5,200 rpm, though it was advertised as in export markets. Peak torque of is at 4,000 rpm with over available from as little as 1200 rpm. The

Electronic fuel-injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All compr ...

system is controlled by two ECUs, one for each bank of six cylinders. The engine is capable of running on either bank should a malfunction occur. In 2010 the standard engine was revised in order to meet tough fuel economy and

emissions standards Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over ...

, reducing power slightly and peak torque to although this torque figure had been advertised in export markets since at least 2004. ;Applications * 1997–2017

Toyota Century The is a limousine produced mainly for the Japanese market, serving as Toyota's flagship car within Japan; globally the unrelated Lexus LS series is Toyota's flagship luxury model. Production of the Century began in 1967, and the model received ...

(GZG50) * 2006–2008

Toyota Century Royal The is a limousine produced mainly for the Japanese market, serving as Toyota's flagship car within Japan; globally the unrelated Lexus LS series is Toyota's flagship luxury model. Production of the Century began in 1967, and the model received o ...

1GZ-FNE

A version is available running on compressed natural gas which produces and . ;Applications * 2003–2004

References

GZ V12 engines Gasoline engines by model {{automotive-part-stub

1GZ-FE

1GZ-FNE

See also

References