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1uz engine reliability forum reddit. [3] Toyota's UZ engine .
1uz engine reliability forum reddit. Its a superbly desinged engine family. Is casted iron stronger for FI? 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. 2jz-gte's have no such following, or OEM confidence in applications demanding such a high reliability rate. problem is the oilfeed from the block to the heads seems to differ in location in vvt heads vs non vvt heads. by 3. B58 Reliability: I hear it will be good long term. 0 V8 1UZ-FE engine. In reality, K24. 0L Engine design and features, its the most common problems and relaibility. The newer engines are larger in cubic, possible stronger parts and timing chain. I'm also considering a catback exhaust system for Christmas which will include a resonator delete and hopefully 2. There are two generations of the engine: 1989 without phase control and 1997 with VVT-i system. 3L all-aluminum engine, with alloy block and cylinder heads, produced 290 - 300 hp and 325 lb-ft of torque. 5 Feb 3, 2016 · Toyota 1UZ-FE engine specs and review, reliability, problems and recommended engine oil. sniper Oct 4, 2010 Classifieds Replies 5 Views 2K Oct 25, 2010 A couple days ago, u/CertainMost3239 made a post asking if LSA engines can make 700 hp reliably and that he had mostly only seen 400 hp ls engines. Anyone here want to offer an opinion? Share Sort by: Best Open comment sort options Top New Controversial Old Q&A Add a Comment ijustbrushalot • 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. It was a 4. 0-liter V8 engine Toyota 1UZ-FE was assembled at the Tahara plant from 1989 to 2004 and was installed in the most powerful rear-wheel drive models of the Japanese concern at that time. Mar 31, 2023 · The 1UZ-FE V8 4. 0 L (3,968 cc, 242. Are cast iron engine blocks more reliable? First of all, I'm not asking for buying advice; just speaking generally here. 0L Engine? Is it good or bad? Read about Toyota 1UZ-FE 4. The owner says that it is sitting at around 360,000 miles. Mar 28, 2025 · Explore the best and worst Toyota engines, uncovering their performance, reliability, and real-world owner experiences. Superchargers for my engine, the 1UZ, are about $7,000, so forced induction is out of the question. Exhausts are pretty much just straight and finish at the back of cab (single cab) Its running a 6speed V160 Getrag supra box with TTC adaptor. However, the 1UZ is the legendary 900,000 mile engine that Matt Farrah has. Any issues? Frustrations? Been a Toyota guy my whole life but looking for something different. 2006 Lexus IS 350 Reliability Score: 83/100 Specs The IS uses an earlier version of the same 2GR-FSE engine from the RC 350 that came later. The 2UZ-FE V8 engine is highly reliable due to its cast iron build and has proven capable of achieving 1 million miles. Full valve job and bored . 3 days ago · The Toyota 1UZ-FE is a 4. In turn, the 1UZ engine replaced the outdated Toyota's V family engines, which were used from the 1960s through the 1990s. The Toyota 1UZ-FE engine is highly regarded for its reliability and durability. Plus, boat engines do not run through gears like a car. 2 cu in) 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 4. I wonder why is the 2uzfe is making such low hp? Would it be possible redline limitation? or the stroke? Diagram #1: 2UZFE Engine Spec Diagram #2: 2UZFE So the uz family of engines are well known for their longevity and reliability. toyota 1UZFE are getting swapped into other things as the 1UZ Nov 12, 2007 · Looks like our old folks are getting beat by modern techology. 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. Oct 30, 2005 · The only problem I have with the 1uz comes from the reliability side of things. It is a very solid swap option for other cars like Nissan 240s and MkIII Supras. We are still holding on the the 1980s (late) techology. They engines aren't particularly interesting imo, but it is very good for modding. Feb 28, 2006 · 1uz-fe is areguably the most reliable production engine ever & is also used in both production boats, aircraft, and powerboat racing. Below is a list of some of the best and worst Toyota engines based on reliability, design, and performance. All 98+ (1UZ, 2UZ, 3UZ) engines used 34. 5 mm × 82. If this is a pre-VVTi engine, you should be good for up to 380-400hp without having to make other upgrades. the only thing stopping you is imagination and welding skills. Aug 20, 2021 · Engine reliability has to be considered in the context of the electronics that make them go down the road. I have an aerospace engineering background but no formal training on cars. Are n52 vehicles are reliable as people say? I understand it’s an old car and I’m mechanically inclined, but do these make… I'm just an enthusiast who loves these cars, obsesses over keeping them on the road in good condition and does a lot of DIY. 2jz-gte's have no such following, or OEM confidance in applications demanding such a high reliability rate. The mighty Celica reached the end of its reproductive cycle and its population began a gradual but ever increasing decline. However, not all engines have been equally successful. Feb 28, 2006 · 1uz-fe is arguably the most reliable production engine ever & is also used in both production boats, aircraft, and powerboat racing. Jul 30, 2023 · Consumer Reports mentioned the 1UZ-FE as an engine known for reliability, capable of reaching mileage over 200,000 miles in a Lexus LS400 example without significant repairs, which highlights just Jul 11, 2008 · Like Justin pointed out, he's not after getting the VVT to work, if I asume correct the lexus engine uses the oilfeed via the block for the whole head including the VVT, which is operated by a selonoid in the head itself like the 4age 20v. [2] Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. 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. Jan 16, 2024 · The 3UZ-FE was first introduced back in 2000 in the Lexus LS 430 and GS 430 sedans. The engine has a reputation for running reliably even after covering high mileages, thanks in part to Toyota’s build quality and engineering. These engines are not just about raw power; they represent a blend of engineering excellence and practical application. The only problem is the miles that it has on it. Just keep up with common-wear components as they go on the Toyota like the timing belt, water pump (which will last for a long-ass time anyway), and a 1UZ or 2UZ will run forever. Manual conversion on a 1uz for the whole shebang is going to set you back roughly £1200 for the stuff that's for sale just now if you shop smart Unbreakable apex seals, high tensile engine studs and more accurate modern machining methods have drastically enhanced the reliability and longevity of the old rotaries. I got a W58 tranny with flywheel and clutch for $220. 0L engine The 4. Bought the 1UZ for $500 with 130k kms. , making for a 4. I under weight is an issue. Feb 20, 2025 · The 1UZ engine is reliable but has common issues like oil leaks, timing belt wear, and ignition coil failure. [3] Toyota's UZ engine Sep 1, 2004 · Hey guys how are you going, i have been dreaming about doing an engine conversion for as long as i can remember, theres just something special about being different :P . But, what im really curious of , is if an LSA engine with overbuilt internals (high strength aluminium or titanium even) and overkill cooling can make 650 hp on takeoff and 520 Jun 1, 2012 · How much for the BMW engine and manual stuff ? I know a guy running 650 bhp on a stock, unopened 1uz. I’ve owned the gs300 with the 2jz and the sc400 with the 1uz. No balance pipe. This car is still very new but so far the 23 models have mostly been fine. I don’t have any experience with this Toyota engine, but I bet you’re right. I was surprised to find out that some legendary engines like the Subaru's EJ22 and Toyota's 1UZ-FE have Aluminum blocks, which I thought was more a feature of modern engines because of the lighter weight and better fuel The ls400 has the 1 uz as well as the sc400 the engine itself is very reliable if maintained Matt farahs million mile Lexus has the 1uz The LS engines no doubt are by far the best engines for custom work because they make the best push rod V8s. Learn about 1UZ-FE reliability, performance, performance mods and more Feb 7, 2025 · The 1UZ-FE engine has made its mark in the automotive world, powering a variety of vehicles that range from luxury sedans to rugged SUVs. This 4. Apr 4, 2025 · Explore the cars that feature the 1UZ engine, its performance, reliability, and why it's a favorite among enthusiasts. 56 votes, 28 comments. Sep 16, 2006 · Talking about the late model 1UZ VVTi, not the early model non-vvti. Like the title says, I’m curious how everyone’s new gen ranger is treating them. I know the 1uz-fe is the first engine Lexus created and over engineered to the gills, but how does it compare to the naturally aspirated 2j? I have a 94 LS400 that I am entertaining the idea of trading for a lower mileage auto SC300. I had one with cold piston slap that made it to 400k, it ran perfect otherwise. 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. Dec 10, 2021 · In addition, it was quieter, more powerful, and delivered better fuel economy than any of its rivals thanks to the amazing 1UZ-FE. 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. Apr 16, 2024 · The more common difference between the Toyota 1UZ-FE and 2UZ-FE engines simply comes down to size. It manifests itself in poor engine running or not running at all. Learn about 1UZ-FE reliability, performance, performance mods and more I think those two post aren’t very reliable source of the engine reliability. It has a strong following in the automotive community and can be a good choice for those who are looking for a powerful and durable engine for their vehicle. r/1uz: This is a sub focused on the glorious 1UZ-FE V8 Engine designed by Toyota for use in the Toyota Soarer UZZ30/31/32, SC 400, LS 400, and so on… Soarers and 1UZ powered cars have a handful of known issues beyond typical maintenance, all with solutions. 3L. To summarize this whole article, here are some key features of the 1UZ-FE engine to remember: Aug 8, 2025 · The Toyota 1UZ-FE is a 4. Dec 10, 2021 · The 1UZ-FE was produced until 2002, and ended up powering three generations of the Japanese market Toyota Crown Majesta, the successor of the LS 400 (called Toyota Celsior in Japan). Perhaps it's just been another "Internet Truth" all this time. the other years are aluminum. 1uz-fe vs 2jz-ge I'm curious what is the consensus on reliability for these two engines. d collecting to 2" then up to 2. This V8 engine, part of the UZ family, was first introduced in the early 1990s and quickly became a favorite among car enthusiasts and tuners alike. (A testament to that fact). The plan is keep the car red, get some nice white rims and paint the roll bar white as well with a black Oct 19, 2021 · Most reliable 1UZ (non vvti) boosting pothou10v Oct 19, 2021 #lexusv8tuning 1uz 1uz single turbo boost lexus ls 400 ls400 turbo supercharger Jan 19, 2011 · My main concern is weather to go single turbo, twin turbo, single supercharger or twin supercharger (like the guy that was building up a 1UZ with two mini M45s). Officially its rated at 245 bhp and 315 tq. Which would be the best selection Mar 23, 2015 · Parts (3) LS400 Front Sump 1UZ-FE Engines $150 bux each So. 24 votes, 42 comments. Owners must change the 2UZ-FE engine's timing belt every 90,000 miles for In A. 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. Personally I've had experience with the 2UZ from Toyota, the B230 Redblock from Volvo, and the 3800 from GM. To summarize this whole article, here are some key features of the 1UZ-FE engine to remember: The 4. It’s one of the only production car engines that the FAA deemed legal for aviation use. To summarize this whole article, here are some key features of the 1UZ-FE engine to remember: 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. If your ECU fails or your VSC system is braking on one side of the vehicle and running you off the road there's little consolation in knowing that your head gasket is solid. Nov 12, 2006 · Who on this forum has a 1ZZ-FE engine with 115k miles or greater? Other than higher oil consumption any other issues to report? Our '98 as 132k miles and has just the oil consumption issue others have reported Feb 7, 2005 · 2UZFE is a casted Iron block and the 1 & 3 UZFE are aluminum. Introduced in the early 1990s‚ it features a quad-cam‚ 32-valve design‚ producing between 250 to 290 horsepower depending on the model. The engine was an evolution of the 1UZ-FE with the displacement punched out from 4. It has one gear and a helluva torque curve. This is my take Longevity of 1UZ-FE engine Hi all, I am currently thinking of picking up a 1990 LS400. 0 L (3,969 cc; 242. 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 Feb 23, 2024 · 1ZZs can run for 500,000 miles while burning oil like a diesel. O. And it would probably make it. You're gonna need to look for rust on the rear hatch and along the frame rails. 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 1ZZs can run for 500,000 miles while burning oil like a diesel. By far the most common issue you're likely to run into is capacitor failure in the ECU. 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. BUT the Crown stuff is hard to find. Which years tend to be the most reliable and which tend to be the least? I anticipate getting a Soarer that is a good daily-driver as well as being a car to add touches of modification. Learn how to fix these problems here. 20 over. Apr 10, 2013 · Equal length extractors on both banks with runners the same size as the 1uz head exhaust port i. 0 liters, it combines a smooth power delivery with impressive torque Jun 1, 2025 · When it comes to V8 engines, Toyota has carved out a reputation for reliability and durability that stands the test of time. The VVTi 1UZ has much thinner conrods than the previous versions of the engine. Durable, smooth, powerful, and decent on gas. The 1UZ is a larger engine than the LS because it's a quad cam rather than a pushrod, meaning an LS will fit much better in the low engine bay of an RX-8. So you have to buy expensive beefed up supra parts with custom bell housings to make a stickshift work. 25 in. Are the engine mounts and exhausts ports in exactly the same place with the two engines? Dan. For a 2006 GX470. Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. Looking into buying a used Soarer (SC300); Haven’t heard much about them as far as reliability but I know they are crazy modifiable cars, which I’m crazily interested in. I noticed lots car companies use casted iron block for FI application. As long as the timing belt has been paid attention to and the oil changed regularly, the 1990 has the heartiest version of the 1UZ you can find; — it is unlikely you’ll ever have a problem with the engine. Its properly tuned though. Reply reply More replies GOOSEBOY78 • yup the 2/4 bolt 350 chev used to go into everything since the 50s now its the LS swaps. Both of them gained reputation the one of the most reliable Toyota engines with huge motor potential. All they need is a timing belt done every 100k miles, and your regular oil changes and it'll run forever. 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. It appeared in 1989 and intended for the largest models of Toyota and Lexus. If I had to buy a 20+ year old used car to drive to the moon without so much as popping the hood for an inspection, it would be an LS400. Oct 10, 2023 · The final member of the UZ family of V8 engines was the 3UZ-FE that first appeared in the Lexus LS 430 and GS 430. 5" piping. The one usually complaining about issues are the drivers who’s treating the car like an expensive toy and “spirit drive”. Excited and nervous to get it in there! It’s a bigger deal on 95-2000 models since they are an interference engine and if the belt snaps, the engine is a goner. D 2006, war was beginning. May 10, 2022 · I've found that it would probably be in my best interest to do a complete engine swap away from the stock GE motor as I am attempting to make a track car out of my '02 is300 (mainly time attack and some minor bumper to bumper racing). I picked up the roll bar, URAS bodykit, Battery Box, Clutch pedal and a few other things for it, for only $600. I've already done an air filter mod that allows for a bit easier respiration as compared to stock. Mar 4, 2010 · I think many of us here, as well as from other 1UZ forums have always thought that all the non-VVTi UZ engines were non-interference, although, now that I've searched for it in Toyota's NCF publications, it's actually not mentioned one way or the other. Auto owners looking for a robust engine will find that Toyota’s V8 offerings, such as the 1UZ-FE and 5. 0 engine is a well-regarded engine that is known for its reliability, smooth operation, and impressive power output. I’ve also driven the is300 and imo the sc is a much better car than the gs or is. Between the two, for usability and reliability, 1UZ. Also custom programming to the ecm would be needed. And as you know, those engines are bulletproof. What car functions are you trying to retain? Cruise Control? 1UZ is throttle cable and you will need a drive by wire throttle body conversion. There's a community for whatever you're interested in on Reddit. What is the 1UZ-FE 4. The Celica is a great starter car for someone willing to put the work in, and if you need help in that regard you've come to the right place. Aug 5, 2006 · I have been studying the 2uzfe. With a displacement of 4. For madtyteJDMhotness, SR20. Reddit is a network of communities where people can dive into their interests, hobbies and passions. Jun 16, 2023 · As long as the timing belt has been paid attention to and the oil changed regularly, the 1990 has the heartiest version of the 1UZ you can find; — it is unlikely you’ll ever have a problem with the engine. Production spanned 24 years, from 1989 to mid 2013, ending with the final production of the 3UZ-FE-powered Toyota Crown Majesta I-FOUR. 7L 3UR-FE, have become synonymous with The 1UZ is one of the most reliable engines on the plant. This subreddit is dedicated to a car that should still be, and the goal of preserving what was. The 1UZ features a bore and stroke of 3. However the pre 98 1uzfe is rated at 250 bhp with 260 tq. The two motors I am considering are the 1UZ-FE and the The 6 bolt main design in the lexus/toyota 1uzfe/3uzfe engine is likely due to the fact that the original intended use for the engine was as an engine for the gt500 supra racecar, not for driving grandma to bingo and the hair salon once a week. 5" through cherrybomb vortex mufflers. With a bore size of 3. Oct 20, 2016 · Reliability: The 1UZ-FE engine is renowned for its durability and reliability. Both are all-alloy, so they'd be similar in weight. Oversquare by design, with a bore and stroke of 87. Honestly I bet a LS swap would have been cheaper/easier. Nov 17, 2024 · The 4. It utilises a RPM sensor located behind the bottom crank pulley, with a distributor mounted on the front of each cylinder head, directly driven off a camshaft. These engines have proven to be extremely reliable and with proper maintenance will last over 300,000 miles. the 1uz is a cheap engine, you can get them for £300 all day long and sometimes cheaper when a cheap LS comes up. It affects a swath of 90s Toyotas, but 1UZ powered cars (e. Can UZFE still compete with URFE engines? I think we definately can! Recently availability The 1UZ is effectively operated as 2 x 4 cylinder engines that are ganged together. ENGINE The most important items on the 1UZ engines are the timing belt and water pump. Oct 20, 2016 · The 1UZ-FE is renowned for its combination of performance, reliability, and smooth operation. g. Well the 1uz was never offered with a stickshift. 0 to 4. As well as being the same weight and more powerful. Performance tuning of the 1UZ engine, supercharger, turbo, etc. Apr 27, 2023 · In this article, we cover the famous Toyota 4. 5mm intake valves and 29mm exhaust valves, which is +1mm larger on both than non-VVTi engines COP (coil over plug) ignition, ditching the distributor setup (Early non-VVTi UZ ECU and ignitors known to be unreliable comparatively) Feb 7, 2025 · Understanding the 1UZ Engine The 1UZ-FE engine is a legendary powerplant originating from Toyota, known for its robust performance and reliability. Maybe the guy already had this engine laying around? The VVTi 1UZ has much thinner conrods than the previous versions of the engine. Feb 7, 2005 · 2UZFE is a casted Iron block and the 1 & 3 UZFE are aluminum. Its unique combination of performance, reliability, and smooth operation has made it a sought-after engine for both manufacturers and enthusiasts. Longevity of 1UZ-FE engine Hi all, I am currently thinking of picking up a 1990 LS400. Have the drive train checked out by someone before you buy it. 0-liter V8 powerhouse‚ renowned for its smooth operation and reliability. 0L Engine (1989-2002 Lexus LS 400, Toyota Crown). To summarize this whole article, here are some key features of the 1UZ-FE engine to remember:. Feb 3, 2016 · The engine 1UZ is the founder of Toyota UZ (included 2UZ and 3UZ). If I had to do it again, I would go with a 97+ sc400. Also any F or FZ series six. The variables are simple, very restricted engine bay space of the S13, around 400whp with stock rpm (because it will see the rev limit a lot) and very decent reliability. 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. The replise indicated that 400hp reliably was pretty easy to acheive. The 3UZ also came with all the latest electronics at the time. Big ups to u/Stroock6394 who pointed this out to me recently, as I thought all generations of the 1UZ were interference but only the models that came after 1995 were. Cali. I'd also say the 4A-GE (any version) and 7A-FE are all time greats. [2] . Pretty clean, barely any rust. Bought the shell for $200. 1UZ swaps are a bit underwhelming, if your going to go as far as putting a V8 in something do an LS, there are swap parts, swap harnesses and support. 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. Z30 Soarer, UCF10 LS400/Celsior) have the issue most frequently. . In-depth review of the 1UZ-FE 4. Here are some reasons why it’s considered a good and reliable engine: Nov 23, 2017 · The 1UZ will hold a lot of power ( 6 bolt mains with forged internals ) from what I've read but pretty much the automatic trans is a major hitch for a short car like the T bucket. 58 inches, it shares the same stroke length as the 1UZ engines. Needs a couple things. (gonna do as much research as possible, hell im not even gonna start the project for at least 12 months) Disclaimer (im 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. For example the Ford 2003 Cobra uses casted iron vs. 44 in. May 27, 2020 · 1UZFE Swap Engine Swaps The serpentine belt in the Suburarri is farther forward that the radiator normally sits. Feb 18, 2025 · The 1UZ-FE is known for its smooth and reliable performance, making it a popular choice for luxury and sports cars. Aug 3, 2023 · 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. It was also recognized on Ward’s 10 Best Engines list from 1998 to 2002. What is the most reliable Lexus engine? Nov 21, 2021 · The 3rz is generally an excellent engine, although they could have piston slap issues when cold, it generally didn't make much difference. However, as the years fly by other larger and more effecient engines over shadow the older 1uz-fe's in comparison. Also, the valves need to be kept adjusted or the exhaust valves can burn out. The trans is setup for a donut flange driveshaft and not a slip yoke unless you find a Crown trans. You'll Aug 20, 2021 · Engine reliability has to be considered in the context of the electronics that make them go down the road. Your modern engine is a co-conspirator in the problem. Another discussion question: What do you guys think are some of the most durable engines ever made. 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. Apr 27, 2023 · The 1UZ is an extremely popular engine in the aftermarket and modification community due to its strengths. The Best Toyota Engines UZ-FE Series 1UZ-FE, 2UZ-FE, 3UZ-FE These V8 engines are Overview of the Toyota 1UZ Engine The Toyota 1UZ engine is a 4. This 4-liter engine replaced the old Toyota 5V. You won't have a radiator like a car and will have to use the water to cool the engine which changes the engine block. And as far as I'm aware, the 2JZ is a great engine capable of high horsepower down the road. While the Toyota engine would bring that legendary reliability marinizing an engine is no simple matter. Nov 19, 2024 · However, not all engines have been equally successful. That said throw that engine in a Colorado… the thing would be unstoppable. Nov 11, 2022 · Just keep up with common-wear components as they go on the Toyota like the timing belt, water pump (which will last for a long-ass time anyway), and a 1UZ or 2UZ will run forever. Google “million mile Lexus”. Complete specs, features, oil, common problems, longevity. I like the idea of getting the 3UZ because out of all of them it has the most displacement/horse power. jcqemaozftkgydnfdklcfryuihplzwjodmfvboiylxwsryrwqfie