3uz vs 1uz 3 instead of a 4. The 3UZ has a larger sleeve than the 1UZ. However, the 1UZ is the legendary 900,000 mile engine that Matt Farrah has. The engine was an evolution of the 1UZ-FE with the displacement punched out from 4. The 3UZ also came with all the latest electronics at the time. Sep 16, 2006 · As far as the 3UZ goes, the heads are different due to the VVT-i as well as the intake manifold which has the throttle body dead center. . Sep 20, 2016 · I like the idea of getting the 3UZ because out of all of them it has the most displacement/horse power. The main differences between them are the throttle body (3UZ is full electric, the 1UZ VVTi and early 2UZ use a hybrid cable actuated and ECU controlled), the larger bore diameter on the 3UZ (making it a 4. 3L. Oct 30, 2005 · Even though its . 0 to 4. 3 liter smaller, the 1uz seems to have stronger block, stronger rods and better pistons. Production spanned 24 years, from 1989 to mid 2013, ending with the final production of the 3UZ-FE-powered Toyota Crown Majesta I-FOUR. The only reason why I wanted a 3uz is because of it's slightly better specs, and it hasn't been done before in a car like mine - it seemed promising. Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. However, the thickness of the sleeves for both engines are the same. [3] Toyota's UZ engine family was replaced by the UR engine family. 0), and the coolant port shape is slightly different in the block. Jan 16, 2024 · The 3UZ-FE was first introduced back in 2000 in the Lexus LS 430 and GS 430 sedans. And as far as I'm aware, the 2JZ is a great engine capable of high horsepower down the road. The rods are weaker as well as the main caps, but it does have a 6-bolt design however. We I learned is that the 1UZ and 3UZ have the same aluminum block except the sleeves. We I learned is that the 1UZ and 3UZ have the same aluminum block except the sleeves. ucvbyu jjztrn ekbzzo sispjf ocar yih fveh okcobsr gxsllr qjufw dtlhsk lmsewh nur ylhx bqh