- The Lexus GS300’s factory-installed engine is a NA Toyota 2JZ-GE, but an upgrade to the venerable 2JZ-GTE like this produces significant power.
In This Article...
What model year is the 2JZ Lexus?
Every IS300 produced between 1998 and 2003 has a 2JZ motor. This engine is a 2JZ-GE, which is the same as the one in a Toyota Supra. The IS300 has become a favorite among those who enjoy customizing Japanese automobiles because they are renowned for producing a lot of power when modified.
In the IS300, the 2JZ standard engine developed 217 horsepower and 218 pound-feet of torque. This was mated to either a 5-speed automatic or 5-speed manual transmission depending on the arrangement. The SportCross wagon was initially solely offered with the automatic, but over time, third-party retailers have started to replace them with the manual.
Due to its Supra-like engine, available manual transmission, and rear-wheel drive, the first generation IS300 is a renowned little sports sedan. These elements work together to make the IS300 a fantastic, entertaining sports sedan.
Which Lexus models have 2JZ engines?
A 3.0 liter, six-cylinder engine known as the 2JZ-GE powers the Lexus IS300. Fans of the MkIV Supra ought to be acquainted with its engine code. Although it had a few internal tweaks and no turbos, the engine was fundamentally the same as the one in the Toyota Supra. An engine that, incidentally, the JDM Altezza never provided.
The Lexus IS300 produces 215 horsepower and 218 lb-ft less power than the Supra without turbos (alone). At least, that’s the stock output. Owners frequently install Supra turbos on their Lexus IS300s. According to Jalopnik, the 2JZ’s iconic status is directly related to how overbuilt it was. The Bubble Era, which gave the world the Skyline GT-R and Autozam AZ-1, came to a close at this time. According to Jalopnik, owners could theoretically triple the IS300’s output without any problems with the right tune.
Additionally, according to MT, there were the TRD-tuned Lexus IS300 L-Tuned versions. Stage I automobiles have a body kit, fog lamps, and an 8 horsepower stainless steel exhaust. New springs, bigger anti-roll bars, cast-aluminum wheels, and Michelin Pilot Sport tires are added to Stage II versions. They ride one lower as well. Additionally, a limited-slip rear differential was a choice.
What distinguishes a 2JZ GE from a 2JZ-GTE engine?
- Toyota 6-speed manual V160 and V161 (jointly developed with Getrag as the Type 233)
In 1991, the 2JZ-GTE initially propelled the Toyota Aristo V (JZS147), then in the Toyota Supra RZ it became Toyota’s king of performance (JZA80). The previous 2JZ-GE served as its mechanical foundation, but it varied in that engine used sequential twin turbochargers and an air-to-air side-mounted intercooler. The 2JZ-GTE of the Supra features recessed piston tops, which results in a lower compression ratio, oil spray nozzles to help cool the pistons, and a new head (redesigned inlet/exhaust ports, cams, and valves). The 2JZ-GE of the Supra has the same engine block, crankshaft, and connecting rods. The original engine was phased out as a result of Toyota’s addition of VVT-i variable valve timing technology to the engine commencing in September 1997. As a result, the maximum torque and horsepower for engines selling in all markets were increased. Aristo, Altezza, and Mark II, later 2JZ-GE VVT-i equipped cars, share a separate part number for weaker connecting rods.
Its commercially claimed output was increased from 230 PS (169 kW; 227 hp) to the current industry maximum of 280 PS (206 kW; 276 hp) at 5600 rpm by the addition of twin turbochargers, jointly developed by Toyota and Hitachi. When the VVT-i was introduced in the production year 1997, the torque was later reported as 46 kgm (333 lbft; 451 Nm), up from the initial 44.3 kgm (320 lbft; 434 Nm) at 4000 rpm. Japan’s now-defunct Gentlemen’s Agreement solely between Japanese automakers selling to the Japanese domestic market enforced the mutually agreed, industry-wide output ceiling. According to Toyota, the engine’s output in the North American and European markets was boosted to 320 horsepower (239 kW; 324 PS) at 5600 revolutions per minute. [4]
With the help of updated stainless steel turbochargers (ceramic for Japanese models), improved camshafts, and larger injectors (550 cc/min for export, 440 cc/min for Japanese models), the export version of the 2JZ-GTE was able to produce more power. The exhaust-side propeller shaft of the CT20 turbine built to Japanese specifications and the CT12B turbine built to export specifications can be swapped out. Additionally, the more robust turbine housings, stainless steel turbine and impeller fins, and export-only CT12B turbine were added. There are various Japanese CT20 turbine variations that can be distinguished by their B, R, and A part number suffixes (e.g.: CT20A).
What Does SC Stand For?
The letter SC stands for “Sports Coupe” in the Lexus lexicon. It might be difficult to recall because it is one of the only models made by the manufacturer without a S or an X at the end.
What Does GS Stand For?
Grand Sedan is intended to stand for “GS” in order to accommodate the numerous varied sizes of Lexus sedans. The GS is a larger sedan for individuals who value space, even though it is smaller than the LS.
What distinguishes the Lexus GS 350 from the 300?
Since the GS 350 and GS 300 are identical vehicles, they have identical features and choices; the only distinction is in the powerplant. The V6 engine of the GS 350 is stronger, and all-wheel drive is an option. On the other hand, the GS 300 is more economical and only comes with rear-wheel drive.
Why did Lexus stop manufacturing the GS?
An official from Lexus confirmed the information to Car and Driver after it was first reported by Yahoo Japan. The reason for its termination, according to Lexus, is the sedan market’s dropping sales and slowing demand.
Which Lexus is 1JZ?
This 2002 Lexus IS300 had mismatched bodywork, some off-road scars, and an ambitious new owner with a head full of ideas before it was powered by Toyota’s venerable workhorse 1JZ and before it appeared tidy enough to win a few awards at a local car show.
Which Lexus model is superior, the ES or the GS?
Both vehicles use a six-cylinder engine and a six-speed automated transmission. The 2018 Lexus GS boasts 311 horsepower, higher torque, and worse gas consumption than the 2018 Lexus ES, which has 268 horsepower. Unlike the ES, which only comes with front-wheel drive, the GS also comes with all-wheel drive.
Is the Lexus GS quick?
The luxury car with lots of speed in the 2020 Lexus GS F. The GS F is a fantastic blend of flair and performance, going from 0 to 60 in in 4.4 seconds.
Don’t settle for a cheap roadster if you crave speed. Instead, rip up the pavement in the 2020 GS F in elegance and comfort. The GS F is a luxurious sedan that offers the amenities, functionality, and speed you desirebut be prepared to pay top bucks for it.
How far can a 2JZ travel?
There are several reasons why the fourth-generation Toyota Supra is legendary, but one of them is its dependability. The 3.0 liter 2JZ straight-six in this Supra, which has allegedly racked up 520,000 kilometers, is particularly bulletproof. The motor, according to the owner, has also “never been touched.”
The owner of the vehicle provided Hoover Toyota in Alabama with these photos. Although the Supra isn’t for sale, the dealer nonetheless posted images and details about the vehicle on Facebook.
Despite having 520,590 miles on the clock, the non-turbo Supra is said to be free of rust and to have undergone no significant engine work. Unfortunately, no other information is given, such as the year of manufacturing or other characteristics. This Supra only has 220 horsepower, which is 100 fewer than its turbocharged predecessor.
You can make fun of Toyota for producing a decent number of unremarkable, ordinary cars, but you must recognize that every product it produces is dependable. You can be sure it will last whether it’s a humdrum Camry, a 4Runner, or a Supra like this.
What vehicles arrived with the 2JZ?
vehicles with the 2JZ-GE engine:
- Lexus IS300 and Toyota Altezza AS300.
- Lexus GS300/Toyota Aristo.
- Toyota Majesta/Crown, a Toyota model.
- Toyota Cresta, Toyota Mark II, and Toyota Chaser.
- Origin Toyota.
- Toyota Advances.
- Lexus SC300 / Toyota Soarer.
- Subaru Supra.
Are 2JZ engines reliable?
The 2JZ engine, a storied engine in the tuner scene, is what gave the last year of the Supra its enormous popularity. The closed, over-engineered engine design enables the utilization of significant boost on internals that are already in place. The 2JZ can survive a lot of punishment because to this plus the inherent durability of any inline-six engine architecture, but the best way to really appreciate how Toyota created the 2JZ to be so resilient is to go inside one.
Stephan Papadakis, owner of the wildly successful Formula DRIFT team Papadakis Racing, dissects the 2JZ engine and explains how it functions in order to examine the design.
The twin-turbo 2JZ engine was not unique to the Supra, despite it having gained popularity because to it. Toyota also employed a variation in the Aristo, a vehicle that underwent a US rebranding to become the Lexus GS. The variation Papadakis examines on screen makes use of variable camshaft timing on the intake.
There is a fairly definite take down order to it, even though a large portion of the disassembly is very much identical to disassembling any engine. The advantages of the powerhouse are evident in almost every component, working inward from the outside.
Four valves per cylinder are made possible by the dual overhead cams, which also permit a top plug design for the best spark and a superior air/fuel mixture and flow. Although this prevents the use of really aggressive cams, bucket style lifters sit on the camshaft lobes, which decreases the number of moving parts in the engine and improves reliability.
Toyota employed a multi-layered steel head gasket for this engine, which lowers the likelihood that it may blow, and a closed-block design, which supports the cylinder walls. Toyota attached a girdle to the underside of the 2JZ to increase the block’s stiffness while still allowing access to the rotating assembly. The rotating assembly is finally made practically indestructible by a forged crankshaft, a wide bearing design, and a lot of thrust bearing. It is not at all unexpected that this engine has been so successful with the tuner community.
Can a 2JZ-GE be turboed?
When it comes to turbocharging a 2JZ-GE engine, there are numerous possibilities. For a 2JZ, turbo kit options are the least expensive and most practical way to implement forced induction. If achieving large power goals is the ultimate goal, some people choose a custom arrangement. We will be mostly focused on pre-made kits to avoid misunderstanding as custom turbo setups are very specialized and specific to each individual automobile.
The 2JZ-GE is available with a large selection of turbo kits, just like the majority of highly customizable engines. Choosing the ideal turbo kit for your unique needs necessitates taking many things into account. What budget have you set out for a kit? What kind of power are you seeking? What auxiliary modifications are necessary to run each kit?
Fortunately for you, we’ll examine a couple of the most popular 2JZ-GE turbo conversion kits and go through their advantages and disadvantages.