3uz engine reliability reddit. Purchasing a used low mileage imported 4.

3uz engine reliability reddit. And not even small issues. Keeps fluids clean, maintain timing belt and water pump. 3 liters and it was packed with all present Toyota’s electronic devices and systems, the like in late 1UZ engines with VVTi. It is a high-performance NA version out of the 3S engine series, Engine Oil Type: The recommended engine oil for the Toyota 3UZ engine is a high-quality synthetic oil with a viscosity of 5W-30 or 10W-30. 0 to 4. Dec 18, 2024 · When a vehicle is an appliance, reliability is crucial, and while we've already dealt with the most reliable cars ever made, today we're highlighting the most reliable engines ever made. I guess as a 'fu' for taking the job of them someone stood over the 3uz grinding away on something for a while. The 4. We're Reddit's central hub for vehicle-related discussion, industry news, reviews, projects, DIY guides, advice, stories, and more. An RX8 motor swap unlocks more power, better reliability, and a unique driving experience. Shine that turd! - A place to share and discuss projects with wheels Apr 25, 2025 · When examining the Toyota 3. For a 2006 GX470. Reliable Toyota V8 performance with nationwide shipping available. Used in a wide range of Toyota and Lexus vehicles, including the Lexus LS 400 and the Toyota Land Cruiser, these 90-degree V8 engines offered displacements from 4. [2] Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. 3UZ included. Dec 12, 2024 · Reliability, problems and repairs of the Toyota 3UZ 4. While 1UZ-FE and 3UZ-FE keep aluminum cylinder blocks, 2UZ gained cast iron, which is stronger and less expensive. If this is a pre-VVTi engine, you should be good for up to 380-400hp without having to make other upgrades. Lighter than the 3SGTE 4 bangers, power up to 300HP in stock form, good torque, relatively small, parts can be bought at any Toyota dealership because they are in just about any V6 Toyota model made from 2005-2012. Is it worth it? Any major issues with these 2015 models? Any reliability concerns? Cost of ownership? r/Lexus • Dec 22, 2021 · Toyota UZ Tuning "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. I’ve owned a 2012 wrx before and the ej motor was a time bomb and i know brz uses the fa20 just don’t want the same outcome. The 3UZ has a larger sleeve than the 1UZ. Car was pushing coolant, had a steering rack fail around 60k, oil control valves failing twice every 30k, turbo seals failed and my engine oil leaked in to downpipe causing engine to run dry. It’s the best overall engine. Forged rods, . It was usually just drop in situations 302 to 351w swap for example) so I’m expecting to spend some money maybe like 10~15k for turbo setup since I’m buying for 4k. The Toyota UZ family was only the second V8 series manufactured by Toyota, following the 60s V-series, more commonly known as the "Toyota Hemi. trueI honestly think that depends on where you are and the chassis you are using. Come here for news, discussion, speculation, and help. Same thing with small and big blocks. 3L Engine? Is it good or bad? Read about Toyota 3MZ-FE 3. I am a bot, and this action was performed automatically. Hey Yall, How reliable are the new gen Honda CRV hybrids? Can this car last me 5-7 years? Edit: how does this hybrid system work? Does the constant turning on/off for the engine wear down its parts quicker? The engine control system of the 3UZ-FE engine on the ’01 LS430 is basically same in construction and operation as that of the 1UZ-FE engine for the ’00 LS400. I’m not looking to do anything serious to engine just some good The 4. We are still holding on the the 1980s (late) techology. It’s a 2UZ. Even though it’s a reliable engine, isn’t a 3uz worse than the 2jz because it’s the Supra engine? r/Cars is the largest automotive enthusiast community on the Internet. Unless you are going for SERIOUS horsepower I do not think you have to worry about the 1UZ-FE lasting. The 3UZ-FE engine was first introduced in 2000 and was a result of the advancement of the 4. Mazda engineering is top notched and really focused on reliability. I want to do something really, really stupid and put a UZ or a UR engine in the "back" of the Corolla and make it mid-engine. Relatively speaking, yes. 025/. You can pick up a working condition I’m sure you’ll be fine at that level. In Drive, say when you're sitting at a red light, there isn't a bit of discernable vibration to the point where if you have a cup of water in the cupholder the surface stays completely undisturbed. 20 over. Mar 21, 2014 · Swapping the motor. If you are in the US, an LS is a really good choice. Should I go for the earlier models with the M50 engine, or the later models with the 52 and 54? On the one hand, there’s the 4-cylinder that puts out less power but is more reliable. The throttle response is very good. 0-liter 1UZ-FE engine Footnotes/F. Due larger sleeves, the 3UZ have small ISS. Production spanned 24 years, from 1989 to mid 2013, ending with the final production of the 3UZ-FE-powered Toyota Crown Majesta I-FOUR. It also boasts an electronic throttle control system known as “ETCS-i” that provides enhanced throttle response. These cars are known to surpass 400 500 600k miles take a look online. You will have to get the High Output which is only available on the Colorado ZR2 but, if you go Canyon all trims are optioned with the H. It's JDM gang, BEAMS was only in RS Altezza's sold in Japan and it's great high rev engine, with similar power, less torque and weight less (about 140kg lighter which is about 300lb). . 290K subscribers in the projectcar community. Why is Toyota’s 3uz 4. In general, did Toyota engine reliability peak at some point in the past? Or is it still improving? Is growing complexity actually making engines less reliable? 266 votes, 79 comments. Whether you’re looking for a replacement engine or upgrading your current setup, we have a wide selection to meet your needs. But for your power goals i believe you'll be working on the edge of failures with stock internals. And you just aren't going to get cheaper than that for the capability. Toyota 3UZ-FE 4. Shop here for OEM quality 4. 25 psi) over sea level pressure I also see horror stories of broken rods and crack ring lands. Jul 20, 2006 · I've been a huge supporter and still am of the 1uz-fe engines for over 10 years now, and am still amazed today by how durable these little V8 engines are. If it’s been more than 90K miles since the last timing belt replacement, get it done ASAP, along with the water pump. 3 liter engine a v8? I know this might be a stupid question, but how is a v8 only 4. The 3UZ grown in displacement up to 4. My personal car is an 07 4Runner with the 2UZ-FE in it, which I have the full factory service manual for. The 3UZ cylinder block was identical to that of the 1UZ, made of aluminum with 90° camber and cast iron liners. (LS, GS, SC) 03 v8 without VVTI is not a 3UZ. Sooo yep! May sound dumb, forgive me if it does, I've just been having ideas for a while with this V70 I had lying around for the past 5 months. The 3rz is generally an excellent engine, although they could have piston slap issues when cold, it generally didn't make much difference. 7 L V8 motor, constructed specifically for trucks and SUVs. Those beauties would run forever. I want to do an engine swap and I need to know the dimensions to see if it is possible. I’m trying to get an IS300 and recently came across one that swapped the original 2jz for a 3uz—a Toyota engine. The 2UZ has lower compression The 2UZ will probably have a more restrictive and smaller exausth system to improve backpressure. I’ve been looking around and the gt86 and brz caught my eye. Are the engine mounts and exhausts ports in exactly the same place with the two engines? Dan. I have some experience with both engines, but have never driven either regularly. Dec 21, 2003 · Looking at pictures from the 1 million mile engine the connecting rods look just like a 4 Runner V2UZ-fe VVT-i engine I've just did a tear down of, so does block. It has been utilized What is the 3MZ-FE 3. 2jz-gte's have no such following, or OEM confidance in applications demanding such a high reliability rate. 6 to 4. Apr 2, 2025 · Toyota 3UZ Engine Specs The Toyota 3UZ engine is a V8 engine that was introduced in 2000 and used in various Toyota and Lexus models until 2010. 7 liters. 7L V8. Although it weighs way more, it can withstand more horsepower than the 3UZ. Mar 17, 2025 · The Toyota 2UZ-FE 4. 7L V8 is known for its durability and power. These engines have been engineered with advanced design features enhancing their reliability. I’ll post a video when I get it back. O. High-performance Lexus 4. 3L 3UZ Engines Imported From Japan. Is it possible to thicken the sleeves on a 3UZ-FE engine so that it can handle stupid amounts of boost like a 1UZ-FE? Also many horses can the transmission in a LS430 handle? If it’s a daily driver or occasional tourer I’d seriously consider something else or different engine. The project will ultimately be a daily/street car, so the driveability and reliability of these two Toyota classics are the main reasons. I started with a Windsor 302 in my FC. 3 engine The 3UZ-FE engine was introduced in 2000 as the successor to the 4-liter 1UZ-FE. This 4. New / Used 4. Jan 14, 2025 · It makes sense that the most powerful of this family would be the 3UZ-FE V8 engine. Such a reliable motor that still makes great power. 3L 3UZ engine for sale can offer several advantages over a New engine. Mar 24, 2025 · If you’ve owned an RX8 for any length of time, you’ll quickly understand why… While it is beloved for its handling and design, the RENESIS engine powering it has some well-known drawbacks, including a lot of reliability concerns, heavy oil consumption, and subpar fuel economy. The problem is with the conrods and final gear in the VVTi model. Excited and nervous to get it in there! We would like to show you a description here but the site won’t allow us. Oct 30, 2005 · The only problem I have with the 1uz comes from the reliability side of things. I'm quite perplexed at my findings. 3UZ FRS: Y’all wanted to see it move on it’s own - it does now Dropping it off at the exhaust shop for cats, and a y pipe to my Borlas. Hey guys, So this weekend, I'm doing the absolute nightmare job of replacing the waterpump/timing belt/valve cover gaskets/intake gaskets/Front Main seal/Cam seals on my fathers 2005 LS430, which has the 3UZ-FE in it. trueI’m on the hunt for a fun daily driver. However, the thickness of the sleeves for both engines are the same. Nowadays, it seems like every Kia on the lineup has problems, it doesn't matter which engine it has. In other details, this motor has identical Mar 1, 2020 · Safe boost: Searching old threads suggests that a safe boost level for an unopened junkyard engine is . If you had to pick an engine to last you 500k miles. I know 1st Gen 1UZs (early 90s) had the thickest connecting rods and they can be swapped over to any other UZ engine if you’re in need of more bottom end strength. 3L Engine Specs, Problems, Reliability, Info The 3UZ-FE engine was first introduced in 2000 and was a result of the evolution of the 4. What are you going with? 2GR-FSE vs 1UR-FSE – Reliability ???Doubt you need to be worried about any of these engines. Now the question is having small ISS weaken the block? ISS means less support for the sleeves and this is very essential during high hp application. I had one with cold piston slap that made it to 400k, it ran perfect otherwise. How to increase the power of the 3UZ-FE: supercharger, turbo, twin turbo, etc. What year? Most older Toyota engines (especially on the K platform) with timing belts are interference engines so a busted timing belt can really mess you up. I found all the info needed for a similar swap on lextreme (as someone said above) and clublexus. I would also recommend a supercharger over a turbo. Seems to look very close to the 3uz in design? Very curious about sizing as I know the 1uz-vvti will fit in the car I have in mind, but not sure how easily the 3uz will. 89K subscribers in the regularcarreviews community. 2UZFE: Summary Overall the 2UZ is actually a lot like the 1UZFE. Due to that, this motor gained great capacity, low-rev, and astonishing torque. Purchasing a used low mileage imported 4. 3 3uz v8 is so smooth you can balance a nickel on it at idle and rev the car to its redline without it falling over. One of the primary Jul 7, 2021 · Ultimate guide to Toyota's 3VZE engine including specs, problems and reliability, performance upgrades, and more on the 4Runner and T100. From the sleek rides to the behind-the-wheel experiences, this subreddit is your cozy corner to share stories, ask questions and connect with other Lexus lovers. The best engines to turbocharge are diesel engines, because they are built to withstand the pressure. While others claim the Direction injection of the fancy 1UR-FSE What is the 1UR-FE 4. 9K subscribers in the IS300 community. 7 V8. 28 votes, 16 comments. Reliability + forced induction on an engine already designed and built for a certain amount of power really doesn't go hand-in-hand in the aftermarket unless you really don't care how much it costs. Since 2016 there has hardly been reliability issues with Mazda's cars and engines. Going with an Eaton m112 blower from a cobra mated up to a CD009 Hoping for 650 capable Thank you for posting to AskMechanics, AFluffyMobius! If you are asking a question please make sure to include any relevant info along with the following: Year Make/Model Mileage Engine size Transmission Type (Automatic or Manual) Redditors that have been verified will have a green background and an icon in their flair. I drove a dodge, ford and small block GM, all about 4. To my knowledge all 3UZ-FE engines are interference. 8 liter, and the 2UZ OWNZ them by a big margin. Feb 19, 2025 · What Cars Have a 3UZ Engine? A Comprehensive Guide Published by Engineer on 19/02/2025 Understanding the 3UZ Engine The 3UZ engine is a powerhouse that has carved its niche in the automotive world. 6L Engine? Is it good or bad? Read about Toyota 1UR-FE 4. 56 votes, 28 comments. The Best Toyota Engines UZ-FE Series 1UZ-FE, 2UZ-FE, 3UZ-FE These V8 engines are 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. 1l to strengthen it for more power? Feb 7, 2023 · Reviews on the engine 3UZ-FE Modern car engines are renowned for their reliability and long lifespan, which makes them ideal as a base to tune further. We have same engine in our IS300, 1G-FE is shit (without compressor or turbo). 9. MembersOnline • cacheKTxP ADMIN MOD These are the results of the Lexus 3UZ-FE-SC430 engine (6 star engine unlock) going into the Tundra & Crown Athlete (with racing add ons) To my knowledge all LS430s ever manufactured came with a 3UZ-FE engine. Jan 16, 2024 · We ranked this engine slightly higher than the 1UR-FSE because of the simplicity without direct injection and the longevity that the engine saw in various Lexus and Toyota applications. Im from Azerbaijan by the way. Will it even be possible (in the case of 1UZ/3UZ) to mate it with a FWD diff? Should I consider converting it to RWD? I had some ideas regarding using the rear half of some AWD Volvo. But with two more cylinders, wouldn’t each individual cylinder have relatively tiny displacement? Feb 3, 2016 · Toyota 3UZ-FE engine specs, reliability and recommended engine oil. Aug 21, 2016 · Among its refinements, the 3UZ-FE engine features Variable Valve Timing with intelligence (VVT-i) on both the intake and exhaust camshafts, which improves fuel efficiency and power output across a broad range of engine speeds. The image is how the 3UZ was returned. [3] Toyota's UZ engine I use it on the corners and based on info gathered the full engine and trans of the UZ is only 20-40 lbs heavier wet than the dumb fa20 so it should fair well. In 2000, the popular 4. It's really not close. It also seems the JDM ECU has a lot less emission control. Either 3uz or 2gr Engine Swaps Whether restoring an older Lexus, replacing a truck, or in search of a bulletproof swap engine for your next project car, the Toyota 1UZ-FE, 2UZ-FE, and 3UZ-FE engines provide proven performance, reliability, and value. How are these cars on reliability and would it be okay to daily. If you're paying a mechanic, it will either be expensive and labor intensive I have swapped few engines on 60s ford but japanese cars are pretty new to me. One of the best engines for a full-size pickup truck or SUV is the Toyota 5. 0-liter inline-four cylinder, naturally aspirated gasoline engine, produced from 1984 to 2005. The reliability and usability of Toyota’s trucks and SUVs were really cemented by these engines. Is the 3UZ on a 2004 Lexus LS430 durable? Is it easy to work on? Looking for something that will last forever. Jun 22, 2024 · The 1UZ-FE was also featured on Ward's Best Engines list in 1998, 1999, and 2000. Keep in mind, that's the 2JZ-GE, which is the NA version of that motor, not the 2JZ-GTE which is the turbocharged version from the Mk IV Supra. The newer engines are larger in cubic, possible stronger parts and timing chain. The balance and cylinder firing naturally create a sound that gets the adrenaline going. I see the restriction causing huge back pressure, now maybe this is because there isn't 133 votes, 15 comments. Can you decrease the bore to make it, say, 4. The 3UZ grown in displacement approximately 4. Discover its specs, reliability, common issues, and best upgrades for performance. The 3UZ-FE engine, a naturally aspirated V8 produced by Toyota, has earned a reputation for reliability, performance, and impressive longevity. However, Toyota debuted their largest engine to date in 2006: the 3UR-FE 5. 3 liters? Or, I guess more importantly why? Ford ranger is a 4L v6, which seems reasonable. Just needs a new accelerator pedal and to reinstall the face of the car! Great endurance engine swap for the Crown Athlete: 3UZ-FE-SC430 (Lexus SC430 GT500) Our engines are carefully selected and inspected to ensure top quality and performance. This engine found its way into three different Lexus cars for the 2001 model year: the Lexus LS 430, the GS 430 That said throw that engine in a Colorado… the thing would be unstoppable. The 2UZ will The twincharged volvo engines have numerous reliability problems unfortunately, I typed that with them in mind. High-quality 3UZ engines for sale—perfect for swaps, replacements, or upgrades. Q: 3uz v8 swapped, factory auto trans, factory ecu, I didn't go manual because of cost, its a street build not a drag/drift build, yes you can use factory mounts and yes there are clearance issues. Full valve job and bored . It was a waste of time, despite being an okay and cheap setup. Also, the valves need to be kept adjusted or the exhaust valves can burn out. " To ensure the stability of Toyota's latest creation, Chief Engineer Ichiro Suzuki had over 900 experimental Dec 8, 2022 · Toyota 2UZ-FE is a 4. However, not all engines have been equally successful. 2l or 4. From my understanding, 03-04 v8 non-VVTI is non interference and 05-09 with VVTI is an interference engine MajorToker My current status on the road to 3uz Got the engine and transmission pulled on Saturday, cleaned up the engine bay Sunday 58 24 Share Add a Comment Sort by: Should I buy this Lexus RC F? I’ve been looking around for a reliable, somewhat good gas mileage, good looking, sporty, daily driver. Wiring is all but done for the 3UZ swap. You’ve probably heard of engines like the 22 R-E, 2UZ-FE, and 1GR-FE if you’re a serious Toyota aficionado. R5: This is my IS200 3uz swapped. Sep 16, 2006 · Talking about the late model 1UZ VVTi, not the early model non-vvti. Can UZFE still compete with URFE engines? I think we definately can! Recently availability Feb 28, 2006 · 1uz-fe is areguably the most reliable production engine ever & is also used in both production boats, aircraft, and powerboat racing. trueFor owners, enthusiasts, and those who are simply interested in the FT86 platform: including the Scion FR-S, Subaru BRZ, and Toyota GT86/GR86. There really isn't much tech in the 3rd gen. Good, reliable tock, and plenty aftermarket, even supercharger kits. 3L V8 3UZ-FE engine rebuild kits for 2001-2010 Lexus GS 430, LS 430, and SC 430 models. This is my take Mar 9, 2006 · In a word, the porting numbers @ . 3-liter V8 engine, part of Toyota’s UZ family, was designed for performance, reliability, and a smooth driving experience. This is a great engine and the fact it was used in the GT500 series shows the Are Toyota's UZ and UR engines as reliable as their 1ZZ and 2ZZ engines? I have a 2006 Corolla LE that's a project car on top of my JDM 2017 CHR. I would be interested in any information you have that indicates anything else to be true. When it comes down it, the 2UZFE is the superior engine. I know this is an IS300 sub but this is the closest to the IS200 GXE platform. What’s the average? Thanks! I have replaced spark plugs, faulty VVT actuator, put fresh oxygen sensors and have changed oil three times since purchase, air filter as well. The cylinder diameter was increased from 87. Nov 12, 2007 · Looks like our old folks are getting beat by modern techology. 2L I-3 engine they replaced it with supposed to be an improvement or is just a less powerful version of a questionable motor? I know Chevy’s aren’t just renowned for their build quality like say Honda and Toyota are, but I’ve always found them to be decent cars. This power unit was equipped with VVT-i phase shifters on the intake shafts and the ACIS system. Oct 7, 2016 · The 3UZ’s weakness is its thin cylinder sleeves. I find that usually interference engines have timing chains instead of belts. If you must have a UZ engine, just go with the 1UZ. I am hoping to keep this car for a fair while, and considering the engine is already around 10 years old, I figured the 3uz would be beter in the long run. Below is a list of some of the best and worst Toyota engines based on reliability, design, and performance. Now, the GT300 class 1st place car is an Acura NSX with a 3. 17 votes, 24 comments. 60 votes, 14 comments. Amazing prices and next day shipping. Problem areas are the folding mirror gears stripping, touch screen and\or the display going bad. Whether restoring an older Lexus, replacing a truck, or in search of a bulletproof swap engine for your next project car, the Toyota 1UZ-FE, 2UZ-FE, and 3UZ-FE engines provide proven performance, reliability, and value. Yes you can build it up, but it's going to cost some money. I swapped in a 3uz was piss easy and heaps of guys have done uz swaps. I have searched the internet for a while now and I have not found anything. Replace everything that is worn rubber with polyurethane (except for the engine mounts if you want to keep the Lexus feel), get some real good coilovers, basic brake upgrade, some quality wheels and tires, basic power upgrades (full bolt ons and tune, maybe cams/cam gear/lightweight flywheel), and cosmetic stuff. What is the best motor Toyota ever made? (Inspired by a previous post asking what the worst motor was) Anybody know how much faster a 3uz fe swap is compared to stock 2jz ge? Any dynos or 0-60 times after the swap? Thanks Once you factor in reliability, forced induction potential (stock engine), and cost of a donor engine. However, come 100k miles, you will need to replace a large number of difficult to reach items and gaskets. Please help. Sure, you could get a Gen1/2 SBC crate engine for cheaper, but it's a completely worse engine in every way for the same cost. Thanks The blocks, heads and cylinders can handle 600hp fine. 3UZ is a great motor. The engine portion of the 3uz ecu and harness should remain untouched. I just want to cantrast the 3uz and the 2jz, see what are eaches ups and downs. What is the most reliable Lexus engine? Only thing I'd maybe disagree with is that the 3S-GTE is an awesome performance engine but it's not a super reliable daily motor. This in-depth analysis explores the nuances of this iconic engine, delving into its technical specifications, performance characteristics, and popular applications. The VVTi 1UZ has much thinner conrods than the previous versions of the engine. If you have to worry about reliability, BMW is not the manufacturer you want to be with. On the Mar 23, 2015 · Hey lads. 0 V6 engines, including the 3VZE and 1MZ-FE models, we find a solid balance of longevity and performance. The reason is because I have heard 3uz engines are just bored out 1UZs to increase displacement, which is said to limit how much power they can handle. Not to mention the massive amount of aftermarket parts that already exists for the K series, where the FA24 is just as of this week seeing the first progress with ECU tuning. The auto trans between the two are the exact same so it’s only a difference in motor weight Apr 6, 2007 · That an originally 2 bolt main production engine could even begin to withstand this particular style 'Build' and application speaks volumes as the the Quality of the UZ FE engine Family. This pages aim is review and look at UZ tuning and report on the best upgrades. Feb 7, 2023 · The 1UZ-FE was created by 1,400 engineers, 60 designers, and a further 2,500 supporting staff as Toyota embarked on its most ambitious project. Million Mile Tundra: The Tear Down The auther said machined, but new engine aren't machine (except poissible line bore, and honing) engines are assemblied. 6L Engine design and features, its the most common problems and relaibility. And plenty of different, but non engine related service. I'd also say the 4A-GE (any version) and 7A-FE are all time greats. Let’s take a closer look at the specifications of the Toyota 3UZ engine. During its production, Toyota tinkered with a couple of variants of the 3UZ-FE motor for their race engine platform. Explore its specs, reliability, swap potential, and how it compares to other V8 engines on the market. 350 are absolutly horrible on a 1UZ, are the 3uz any better?! I mean yes, In a forced induction your forcing the air through and even the most horrible heads can flow, but. My brother has a 2005 Tundra and it's VERY torquey. Seriously though, they are phenomenal engines with Toyota's reliability to boot. Is this a proven safe level for long term reliability for the skinny rod 3UZ? - I am willing to give up some power for reliability Torque in the heavy, 6 speed auto car is more important to Feb 3, 2016 · Toyota 3UZ-FE engine specs, reliability and recommended engine oil. There sure are a lot of unused wires when you delete the rear O2's and the immobilizer. The 3UZ-FE replaced the 1UZ-FE despite the decision to number the engines in order - 1, 2, 3. Mar 5, 2005 · So, to have an "F" engine used in a race engine gives all of us encouragement for the naturally aspirated potentional of our engines. Nov 9, 2011 · This thread is to be all about the various UR series engines, including dissection, performance parts (oem and development of aftermarket) and how they relate to power output and durability. Thoughts? One of Lexus most reliable engines besides being in the LS430 and many more UZ family ! 3UZ-FE A subreddit dedicated to the Gran Turismo series. It is a powerful and reliable engine that offers impressive performance and durability. Over the coming winter months I'm going to purchase all the major versions of the UR, pull them a part Jul 30, 2023 · As a luxury division of Toyota, Lexus vehicles are able to take advantage of Toyota's reliable engine technology to make incredible and long-lasting vehicles. They have proven to be reliable over the years even if some public do not like it because they are old school instead of turbo engjnes you find in today's newer cars To add, I have owned these 4 cars with nary an issue with the engine: 1993 SC300 (2JZ-GE) 2002 GS430 (3UZ-FE) 2011 IS250 (4GR-FSE) 2014 Aug 5, 2006 · The 3UZ has VVT-I, the 2UZ has not. However, as the years fly by other larger and more effecient engines over shadow the older 1uz-fe's in comparison. Good/easy power, good reliability, tons of vehicles come stock with them, and the parts market is immense. Post your garage collection, strategies and techniques, photos and everything in between! We I learned is that the 1UZ and 3UZ have the same aluminum block except the sleeves. 3 V8 (wired + ECU + 6 Speed auto box) Engine package: Complete powertrain solution featuring wiring, ECU, and 6-speed transmission, offering unmatched reliability and engineering excellence. Where I am baffled is some sources are saying for the 1UR-FE, 347hp and 460nm. But if you are racing a civic, it doesn't make a whole lots Do you guys suggest a 3uz-fe engine swap? oh, and dont bias your opinion on money. It doesn't matter if it's a 4 cylinder turbo or a naturally aspirated V6, they all seem to have problems. 5 Bar (7. The 3UZ engines were the best. 5 liter engine that is rated at 300hp and the number 2 car runs a Nissan VQ35DE engine (350Z engine) and is rated at 295hp @ 7400rpm and 290tq @ 5800rpm!!! Dec 5, 2005 · Does anyone know the block weights of the 3uz 2uz and 2jz engines? Im curious to know if the long inline 6 weights more then the 2uz cast iron V8. 2UZ engines all use 2 bolt mains, iron block. These did come with oil squirters to cool the pistons for endurance and Jun 24, 2023 · Luxury and reliability are two personality traits that go hand in hand with one another, but which 10 engines represent this the best? Toyota 3UZ-FE 4. 3L Engine design and features, its the most common problems and relaibility. The updated 6-cylinder engines incorporated advanced features such as VCT on some models and a temperature sensor in the cylinder head, which detected coolant loss and allowed the car to "limp home" safely by cutting cylinders. Theres these two engine in the newer 2006+ Lexus GS460, and LS460, plus a few other models. A subreddit for first generation Lexus IS300 owners and enthusiasts. The 1GFE engine is dull and thirsty so made a lot of sense to put the GS430 engine on it to match the nice chassis. 3 liters and it was packed with all current Toyota's systems and electronics, the same as in late 1UZ engines with VVTi. A. My question is, how interchangeable are the torque values between the Turbochargers have drawbacks including turbo lag, increased engine wear and tear, increased complexity, and higher cost compared to naturally aspirated gasoline engines. 3L Engine Specs, Problems, Reliability. 2UZ VVT-I has 282 HP. The 3UZ-FE engine in this lexus is literally one of the most reliable gasoline engines in the last 30 years. I think most enthusiasts will agree that V8s are simply some of the best-sounding engines. 7-liter 2UZ-FE was instead designed for pickup trucks and SUVs. Check out this teardown of this Mazda engine, it has failed (,which is super rare to happen) but he goes in depth with the build quality and what they engineered into it to make it last. This is a subreddit for fans of Regular Car Reviews on Youtube. The very best may be V10s, and V12s also sound great, but there's something classic and quintessentially performative about a V8. Nov 19, 2024 · The Best and Worst Toyota Engines Ever Made Toyota has produced a wide variety of engines, earning a reputation for durability and performance. I entrusted a workshop to do a conversion, putting a 3UZ out of a drivable GS430 into another car, after a very long time of the only action being pulling both engines out of the cars, I decided to take it all back. With an impressive selection of new and used parts available at reasonable prices on the secondary market, it’s no wonder DIY mechanics love these motors! Apr 9, 2025 · Toyota’s 3S-GE engine is a 2. The 3UZ-FE has been in multiple vehicles like the LS430 and the 2nd gen GS post facelift. 3-liter V8 Toyota 3UZ-FE engine was assembled at a plant in Japan from 2000 to 2013 and installed in rear-wheel drive passenger cars, including those manufactured under the Lexus brand. Yes, Kia did have issues with their Theta II engines but you were easily able avoid that engine. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. I'm considering a motor swap, and have landed on these two options. But its main disadvantage is that it can be deformed due to engine mass. What you have to buy and fab: exhaust header on the driver side will need to be modified to fit around steering shaft. This one has 36k miles and a clean carfax. Please contact And seeing both the engine and the transmission are fairly high in mileage, I trust the engine more than the transmission in terms of longevity. Apr 1, 2025 · The Toyota 1/2/3UZ-FE family of engines, introduced in 1989, is revered for their exceptional reliability and performance. 5 mm to 91 mm, which affected the wall thickness. The larger 4. There are no factory oil squirters on any of these engines to the best of my knowledge. All 1UZ and 3UZ engines use aluminum blocks with 6 bolt mains; there are 4 studs in the middle, and 2 bolts from each side of the block. Jun 12, 2025 · Discover why the 3UZ engine is a top choice for tuners. Hi, I’m thinking on getting an IS/Altezza with a UZ engine but I’m curious about the MPG. If so, is the 1. 0-liter 1UZ-FE engine. Oct 10, 2023 · The 3UZ-FE does have thinner cylinder walls, which poses problems for boosters, which is another reason that the 1UZ-FE is the preferred engine of choice for the classic car enthusiast. May 16, 2024 · Toyota's reputation for reliability shines through with the 3UZ-FE engine, which powered the Lexus LS 430, the Lexus GS 430, and the Lexus SC 430. You can order ported aluminum heads at auto zone, lol. I do the occasional pull down a straight road but I do not drift the car, no burnouts, no redlining, and no racing. 027 ring gap, ACL bearings, ARP hardware, new stock pistons. nsax tkeq affz lawq bbdqyf nozj yvho hnwoej lwiyrns fkgk