1LR-GUE

Announced in the Lexus LFA

Lexus LFA

The Lexus LFA is a 2-seat exotic sports coupe produced by Lexus as a concept car, "halo" vehicle, racing prototype, and production model. It is the second model in the F marque line of performance vehicles from Lexus, following the IS F...

 sports car

Sports car

A sports car is a small, usually two seat, two door automobile designed for high speed driving and maneuverability....

, the 1LR-GUE is a 4805 cc DOHC engine. The engine is made from aluminium alloy, magnesium alloy and titanium alloy and is smaller than most V8

V8 engine

A V8 engine is a V engine with eight cylinders mounted on the crankcase in two banks of four cylinders, in most cases set at a right angle to each other but sometimes at a narrower angle, with all eight pistons driving a common crankshaft....

s.

The oil and water pumps are located at the rear of the engine and the lubrication system uses a dry sump

Dry sump

A dry sump is a lubricating motor oil management method for four-stroke and large two-stroke piston internal combustion engines that uses external pumps and a secondary external reservoir for oil, as compared to a conventional wet sump system....

. Titanium is used for the valves and the rocker arms have a diamond-like coating. Each cylinder

Cylinder (engine)

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...

 has an independent, electronically controlled throttle body.

Keeping with traditional practice for high-performance Toyota engines, Yamaha was contracted to co-develop the 1LR-GUE.

Maximum power

Power (physics)

In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts—the more wattage, the more power, or equivalently the more electrical energy is used per unit...

 output is 412 kW at 8,700 rpm.
Maximum torque

Torque

Torque, moment or moment of force , is the tendency of a force to rotate an object about an axis, fulcrum, or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist....

 is 480 N·m (354 ft·lb) at 6,800 rpm.
The engine will rev to 9500 rpm, with 90% of its peak torque available from 3,700 rpm to 9,000 rpm.

Bore × stroke (mm): 88.0 × 79.0

Compression ratio: 12.0:1

V angle: 72 degrees

Applications:

• Lexus LFA
  Lexus LFA
  The Lexus LFA is a 2-seat exotic sports coupe produced by Lexus as a concept car, "halo" vehicle, racing prototype, and production model. It is the second model in the F marque line of performance vehicles from Lexus, following the IS F...