The Toyota UZ engine family is a gasoline [1] fueled 32-valve quad-camshaft V8 piston engine series used in Toyota's luxury offerings and sport utility vehicles. [2] . Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE.

It was a 4.0-litre V8 gasoline engine offered for luxury and sports cars of Toyota and Lexus since 1989 to 2002 and when replaced with the 3UZ-FE engine. In turn, the 1UZ engine replaced the outdated Toyota's V family engines, which were used from the 1960s through the 1990s.

Mar 7, 2025 · The Toyota 1UZ-FE is a 4.0 L (3,968 cc, 242.1 cu·in) V8, four-stroke cycle water-cooled naturally aspirated internal combustion gasoline engine, manufactured by the Toyota Motor Corporation since 1989 to 2004.

Oct 20, 2016 · The 1UZFE is the first engine in the Toyota UZ family. Toyota designed this new 4.0L V8 to replace the outdated Toyota 5V. The 1UZFE was a highly advanced V8 engine at the time that it came out and has built a big cult following since then.

Aug 27, 2019 · The 4.0L, 242 cid, all-alloy 1UZ-FE debuted in 1989 in the first-generation Lexus LS 400/Toyota Celsior, and the engine was progressively released across a number of other models in the Toyota/Lexus range. The engine is oversquare by design, with a bore and stroke of 3.440˝ and 3.250˝, respectively.

Jul 20, 2006 · You definetely have a lighter weight engine (1uz-fe) when boosted in comparison to a larger sized liter engine that are both producing around the same amount horsepower...Reduced front end weight is always a good thing.....As Anaema said reduced torque is what you are going to get when comparing the two...

Dec 10, 2021 · Despite its failure in motorsport, the 1UZ-FE remains an impressive, over-engineered masterpiece. The product of an outlandish project, it goes down in history as one of the smoothest, most...

Feb 3, 2016 · Toyota 1UZ-FE engine specs and review, reliability, problems and recommended engine oil. Performance tuning of the 1UZ engine, supercharger, turbo, etc.

Dec 22, 2021 · "Guide to tuning the Toyota 1UZ-FE 2UZ-FE & 3UZ-FE engine!" The Toyota UZ offer good returns when tuned and with the best upgrades like a remap, turbo upgrades and camshafts you will really enhance your driving enjoyment. This pages aim is review and look at UZ tuning and report on the best upgrades.

Apr 11, 2023 · Considering either buying a car with a 1UZ-FE or thinking about swapping one into your car, plane or boat? We’ve covered all you need to know in our 1UZFE engine spotlight. In 1989, Toyota’s 1UZFE engine became the firstborn in their soon-to-be legendary UZ family, which later went on to include the 2UZ-FE and 3UZ-FE.