Difference between 1uz and 1uzfe. Some of the major changes included increasing the cylinder bore size, optimizing piston shape for reduced weight, changing piston ring placement to improve combustion, and altering materials used for components like connecting rod bushings Sep 1, 2004 · a). I'd trust the Toyota UZ more. Perhaps someone can post with the 1uzfe shortblock weight. ra65gts, rwdfreak, CELEXUS84 and many others have posted Aug 6, 2008 · I noticed that at some stage, a wrecker or importer has scrawled "3UZ" on part of it, so I'm guessing it came off a 3UZ motor, rather than a 1UZ. The difference between Premium and regular fuel is 4 octane points91 to 87 here in Cali Dec 21, 2024 · The 2UZ was a larger-displacement variant of the 1UZ exclusive to light trucks. ) other 2 are comparing a front and rear from a 1UZ Mar 29, 2007 · Again, I was just reffering to the early model 1uz-fe 4. Jun 3, 2013 · I know there are input shaft length differences between the R150F that bolts to the 3. Ive seen lots of cheap aftermarket stainless manifolds for the 3uz, but none for the 1uz, whats the difference between them? Im assuming port spacing is the same, so can I just chop the flange off and weld on May 18, 2019 · Lets look over the different 1uzfe Toyota V8 ecu options and differences between them. 0 L (3,968 cc, 242. 38 23-07-2007,11:23 AM Aug 8, 2007 · Another pic of the 1uz-fe rod ring portion compared to the supposedly weaker 3uz-fe rod Aug 4, 2024 · Difference between the Lexus SC400 and SC300 The Lexus SC400 and SC300 are two models of the first-generation Lexus SC, which was produced from 1992 to 2000. The first CC is the pre 98 1uzfe and the second one is the 2uzfe or similar to the 98+ VVTi heads chamber. After two days tuning a custom EMS system on the engine dyno the guys finally managed to equal the stock Toyota ECU power output. in Dec 20, 2006 · 1UZ-FE The light-alloy-block 1UZ-FE debuted in 1989 for the first generation Lexus LS 400 and Lexus SC with an output of 173 to 180 kW (232 to 241 hp) and torque of 350 N·m (258 ft·lbf). 1UZFE vs 2UZFE In case you missed it, we wrote an article similar to this one covering the 1UZFE. It looks like something you would find in a 6-bolt Donavan, Brad Anderson, or some T/F engine. 0L V8 to replace the outdated Toyota 5V. Dyno charts are really only good for full load, full throttle information. Depending on which half cut you get depends on wich wiring you have and what modifications/extras are needed. Jul 2, 2013 · Hi all, I'm currently gathering parts for my swap, and had a question. . The 1UZ is good for around 1,000 horsepower on a stock block, whilst the 2UZ is good for 1,400+ horsepower on a stock block. The document summarizes the key differences between the 3UZ-FE engine used in the 2001 Lexus LS430 and the 1UZ-FE engine used in the 2000 Lexus LS400. Feb 25, 2006 · might have been posted before but if anyone knows off the top of their head the weight difference between these two motors? the supra tt 2jz-gte (long block= head and bottom end) without turbo kit/intake manifold. Oct 4, 2004 · the point i was trying to find out is: is there any point what so ever in sourcing a vvti 1uzfe? is it worth the extra $$ OR would it be better to get the 1uzfe non vvti and simply change the cams for a supercharged application? Feb 16, 2023 · Wiring harnesses for the 1UZ-2UZ-3UZ engine conversions seem to fall into two categories: (a) modified OEM harnesses like those supplied by Gloverman (of this Forum), or (b) expensive but amazing works of art like those supplied by Chris at Phoenix Engine Management. LS400 Piston (3UZ vs. It’s a popular choice Jan 25, 2005 · Parts 1UZ 1UZFE Toyota Bellhousing W58 W55 W56 W57 G52 Gearbox with Ceramic Clutch. Jun 23, 2021 · There are upgrades available for 2uz injectors but I can't for the life of me find ANY toyota/lexus injector similar enough to 1uz/3uz injectors to even share oring/seal kit. Sep 5, 2011 · a quick note on VVTI security engines. Its stroke is still shorter than the 2JZ motors, which in stock form can rev to 8000 rpm with no issues. It'll be slow plain and simple. While they share many similarities, there are a few key differences between the two models. 81 (let me know if you want to know the prices paid here to see how absurd are). The 3UZ also came with all the latest electronics at the time. Here are CC. If you could also tell me the number of plugs and number of pins on each plug Hi, I am currently fitting and early (1992) 1UZ-Fe into a kit car to replace a Rover V8 and have found that the AFR is different between the two banks when carrying out the initial fuel set up. first 2 are differences between a 1UZ and 3UZ (1UZ on left in first picture. 7psi absolute pressure. , making for a 4. As the reservoir is integrated into the pump. By extension, they have to be different in more ways than just colour. I have seen guys take late model 4 and 6 cylinder engines and doing this so I don't think i'm is there any difference between the blocks of a 1uzfe and a 2uzfe engine? can either of these be bored out to 10. 0 to 4. My #1 motor is currently sitting in the garage without any cams, and next time I'm home, I'll take some measurements to see just how much valve lift it takes to kiss a piston. 960 for the 3uz. Now we will be using our first generation 1UZFE. The UZ series was mostly replaced by the UR series but the 3UZ-FE continues to be produced for the current model Crown Majesta 4WD (Japanese market only). 1UZ) 1UZ Vs. 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. The M90 gets a bit breathless above 6,000rpm and will start heating the air badly and cause detonation for which you retard the timing and lose power. Jul 11, 2008 · Dec 9, 2023 amyrichman A Parts M122 Supercharger with parts to fit a 1UZFE non VVTI ivan129 Apr 12, 2023 Classifieds Replies 0 Views 2K Apr 12, 2023 Nov 16, 2007 · 1) As far as physical fitment, would my 340E bolt right up to a 1UZ, or are there slight differences between the Toyota & Lexus versions? 2) Would I need the bellhousing from the Lexus? Torque Converter? 2) Are there any other differences that would potentially cause problems (i. Lexus 1UZFE rod GS430 Piston Vs. These codes are common wires for the most part, each 1UZ-FE engine is wiring up using codes like THW and STA, to explain what a pin on the ECU is doing. What makes the compression different Mar 29, 2006 · Anyone have any experience with the 2UZFE redline? I think its much lower then the 1uzfe. 0Liter) and the 2UZ-FE. They both measured 2. Dec 6, 2009 · Rods and pistons I normally throw away anyways. But on older engines such as other Toyotas and Hondas, these Bosch +4 will smoothen the engines at idle and give quicker throttle response noticeably. It also features updated valve timing technology, intake/exhaust systems, fuel delivery components, and other refinements to improve performance, fuel economy, and Oct 15, 2023 · 2UZ-FE vs 1UZ-FE Although there are some vital differences between the two engines, they’re also incredibly similar. 1uzfe and 3uzfe is about the same weight. There are 6 variants of the engine. The 1UZ rod cap seem to be little beefier with same bolt size for both rods. LS1 (NO trans) around 165 b). 0-liter inline-6 engine, known as the 2JZ-GE, while the SC400 features a 4. Peace. sniper Oct 4, 2010 Classifieds Replies 5 Views 2K Oct 25, 2010 twotone's 1UZ Swap Progress Thread!That's right folks, I'm 1UZ-FE swapping my Celica!!! With everything going on, I have a lot of free time right now. The Xede used is custom built just for us to suit the 1UZ. However, sc400 here are 92/93 non VVT-i. Even though its . The engine has 8 cylinders in a V-arrangement at a bank angle of 90°. Pretty much all the vehicles I do are conversions so have different exhaust and free flow intakes. 6L Modulars will eventually crack it's intake manifold at the coolant crossover, and even the Coyote (yes, it's a Modular) can sometimes suffer from low-mileage issues with its VCT system. Oct 13, 2008 · Hi, at first glance the 1uz and 3uz look pretty similar to me from pics ive seen. 1K subscribers 227 Each variant (from both parent vehicle and generation perspective) of the 1UZ has its own ECU, which are not only physically different, but have different wiring configurations. 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. My plan is to use a 1UZFE v8 and completely discard of the engines computer and controls. 0-liter V8 engine, known as the Jan 25, 2012 · I bought a 1uz for my FJ40 today and stuck with a 92 motor due to the reading some of the threads on lextreme on the differences in internals. Then there are export Vs Japanese domestic market ECUs. This knowledge is very transferable, if you master wiring up this 1UZFE your working on, then you easily do another kind of engine. The 2uzfe short block is 82 lbs heavier then the 1uzfe shortblock. Those should be able to go in either a 1UZvvti head or 2UZ head. the 1uz-fe without the intake manifold, just heads and bottom end Oct 7, 2016 · After all, the 2UZ is made out of stronger cast-iron. When I get back to work again, I'm sure I won't have this kind of time again. Changed the timing Feb 8, 2012 · These motors on stock ECU make between 135-150rwKW with a manual box. Jul 4, 2024 · In summary, the primary differences between the Lexus SC300 and SC400 lie in their engines, with the SC300 featuring a 3. Aug 1, 2007 · Just want know the difference between the lower comp (Before 1996) 1UZ-FE's and the Higher comp (After 1996) engines. 165″. What I do know is that the pre 1995 1uzfe motors can handle the most power out of the bunch (3uzfe's excluded) when boosted and have been proven to handle as much as 500whp with the stock internals. Teh UZA80 - Project Century - Remotely p00'd by association 20-07-2007,09:26 PM #11 Sciflyer Hardly a Domestic Engineer The rod on the left is 1UZ and the new rod is 3UZ. Who knows the exact difference between the cranks on the UZ from Toyota? You have the 13411-500xx 20 = 1UZ-FE UCF10 30 = 1UZ-FE UCF20 40 = 1UZ-FE VVTi + 3UZ-FE 50 = 2UZ-FE I think the crank changed when the smaller rods came in, to compensate for the lesser counter weights. Waterpumps - Different however can be interchang Mar 17, 2005 · We've spent hours examining the differences between the Q and the 1UZ The bottom end in the Q45 is 6 bolt like the 1UZ, but the main studs make the 1UZ studs look like tooth picks. Just like the GM LS engine family, the Toyota UZ family has been heavily modified and is known very well among the tuner community. Dec 26, 2013 · The first goal is to buy a SC400/Soarer for something around R$ 30,000 = USD 9523. '04 LS430s have them. Oct 15, 2008 · In the same body but differrent engine between 1UZ FE and 2JZ GTE Which one gonna make better time in 1/4 miles and if more than 1/4 miles , whose gonna win Aug 27, 2014 · The tables below are useful for wiring up any Toyota engine. The battery seems to have plenty of cranking power and there Nov 13, 2011 · So if you save money on a 2rz, you can turbo it for the price difference of a 3rz. So lets say that is at 0psi boost or at 14. Three basic versions have been produced, the 1UZ-FE, 2UZ-FE, and 3UZ-FE. The two chambers have very similar configurations. Feb 16, 2006 · The insulator nose length is the distance from the firing tip of the insulator to the point where insulator meets the metal shell. Yes the heads on the VVTi version flow way better than ported early 1UZ heads. Most of the displacement difference between the 1UZ and 2UZ is the bore. There was some minor difference in either the intake or the exhaust Mar 28, 2024 · The 1UZ-FE V8 engine is a powerful and reliable engine that has been used in a variety of vehicles, from luxury sedans to sports cars. [2] Three variants have been produced: the 1UZ-FE, 2UZ-FE, and 3UZ-FE. /delete/ban tech moderator E46 M3 Nürburgring Nordschleife - 8. There are lots of mistery of the two heads or none-vvti Vs. Lets use these formulas and see how it will affect the outcome between intercooling and non-intercooling. Everything looks pretty much the same except the emissions and the vacuum lines. Its a front sump pre VVT 1UZ. Whether the spark plugs are fitted in a lawnmower, boat, or a race car, the spark plug tip temperature must remain between 500°C-850 Dec 5, 2005 · I think the iron block would weight more then the 2jz. Re: 1UZ-FE Lexus 4. 1UZ-FE The 4. Mainly the non VVti ECU's however I do touch on the VVti ones. Why is that? I'm planning on using the original 1UZ ECU (non-vvti) Nov 24, 2006 · For a bullet engine like the Lexus LS or SC, it's hard to tell the difference between the plugs performance if you really don't pay attention to them. Mar 23, 2015 · Parts (3) LS400 Front Sump 1UZ-FE Engines $150 bux each So. Part throttle, part load - all this stuff is shown on the dyno. The Toyota UZ engine family is a 32-valve quad-camshaft V8 piston engine series used in Toyota's luxury offerings and sport utility vehicles. 1cms or does the 2uzfe have more meat on it? also does the 2uzfe have the same strong components (eg forged crack shaft) as the 1uzfe does? Mar 23, 2005 · Been searching for info on 1UZFE/2UZFE Lexus/Toyota V-8 installs into 1984-1995 Toyota trucks and 4 runners and have found some information, but still missing alot. To maximize the performance of this engine, it is important to choose the right header. My Q is that, how hard would it be to swap a 1uz vvti head to a non vvti 1uz? since i'm not using vvti, the only mod I can see is welding the vvti ports right? -Im guessing I would need either a custom manifold or a stock vvti intake mani right? Apr 2, 2017 · Here's a couple of pic's of sumps that might help. the plugs don't even match, so are not easily interchangeable. When I put the meter on the injector +ve it reads 12v with the ignition on but when the engine is cranked over this drops down to around 9v. Toyota 1UZ-FE Engine Specifications The Toyota 1UZ-FE is a 4. The below table show amount of boost require to achieve 300 bhp Mar 14, 2005 · Here's another dyno comparison of a 2L 4 cylinder (half a 1UZ-FE?) with shorty headers, 4-2-1 headers (like Tex's headers) and 4-1 headers. 4:1 motors. Its main differences from the 1UZ are the cast iron block and cast steel crankshaft. I would prefer to swamp out the 2UZ-FE pump with the 1UZ-FE pump. Here is an example Aug 1, 2007 · Just doing an install of a 1uz in a cobra and it looks like the injectors are not working. Other articles of interest: Lexus 3UZFE rod vs. But I'm wondering if there Jan 23, 2013 · Needing some info on the mounting differences between the 1UZ-FE and 2UZ-FE power steering pump. 1UZ headers are designed to provide maximum power and torque, while also improving the engine’s efficiency and reliability. a/c is a non-issue, since i have none. To get it done with least amount of expense I would go 2rz Sep 9, 2003 · 1. Jan 1, 2007 · Are we positive that we would need the VVTi pistons? Dave looking back at your page that details the differances between the 3uz and 1uz piston, It seems that the 1uz piston would sit . - You need the key amplifier (box, rectangle), and the key coil thing (round thing, around the key, picks up the transponder signal), and the key. Lets start with the cap. Different size of block? Head design? Intake manifold design? Weight? Wanting to use one or the other, preferrably the 3uz in an upcoming project. Jan 24, 2015 · Hi Chaps i am picking a 1uzfe vvti engine up to go into a classic reliant is this a good choice y/n can i improve its performance easily it will get a standalone ecu and itb's do i need to do anything inside the engine porting head skim changing components. 0L engine displacement Apr 27, 2023 · Similar to the 1UZ, the 2UZ-FE also used DOHC aluminum cylinder heads, a cast aluminum intake manifold, and 4-valves per cylinder. ? i have read loads of posts but Jul 21, 2007 · Re: Differences between 1uz models? your interpretation of that pic is wrong th first rod is non vvti 1uz the next 2 are vvti 3uz and/or vvti 1uz the last is an eagle h beam rod the non vvti engines have the same rods (bigger/heavier/dubiously 'stronger') . 3L. The larger end diameter is the same. We then transplanted this engine into a MA61 Supra and it idles beautifully, however when you put the foot down we get a fault code of 56 and the rev limiter cuts in. (I dont really want to get into the whole dyno rating thing). With the application being vastly different, Toyota needed to majorly change the 2UZ to best suit towing and hauling needs. Note: ISS is the distant between two sleeves. 1 cubic inches) V8, four-stroke cycle water-cooled naturally aspirated internal combustion gasoline engine, manufactured by the Toyota Motor Corporation since 1989 to 2004. Correct? On the left is the standard 1UZ head studs, in the center is an ARP Main Stud and on the right is the 3UZ main bolt. The 2UZ is based off the 1UZ, but it was designed for use in trucks and SUVs instead of sports cars and luxury cars. I would like to weight the 1uzfe also, but all of my engines are in a complete form. com for help with ordering or questions. I’ve also driven the is300 and imo the sc is a much better car than the gs or is. Most everyone has used a standalone engine management system. To do improved vvti then some guys are fitting non vvti early thick rods into the vvti engines. Toyota built upon the tried-and-tested 1UZ-FE, and then perhaps cut the costs with the cast-iron block, but at the same time also made it more reliable while increasing the displacement from 4L to 4. I have multiple places including videos and a lextreme post, Rods and Main Bearings post that all say based on the block, crankshaft and cap that have numerical Apr 12, 2024 · Toyota's 1UZFE V8 engine isn't as well-known as some of their other engines, but it was powerful and incredibly reliable. Cali. A car is rated at 220 bhp and our desired bhp will be 300. Dec 7, 2005 · Ok i found a Jdm 1uz-fe and wanted to know what is the difference other than hp and compressionany body know the hp and compression on the JDM Mar 21, 2006 · 8 - are the blocks the same? specifically engine mounts and gearbox bolt patterns 9 - finally, is there a price difference between the two motors (Im assuming there is) and if so, anyone got a ballpark of how much? Cheers! Riv. Jan 4, 2010 · 663 Likes Received: 0 theres a nice pic from lextreme,you see the difference between early 1uz rod and the vvti rod on picture you can see it but if you hold both in your hands the difference is even biggeranyway if you go for a supercharged one early 1uz is what u want, if you won't supercharge ya baby there's no point in getting the old Oct 20, 2005 · I'm sure kelford could make re-welded/ground 2UZ cams. does anyone here know the major physical differences between 90 and 94 1UZ-FE engine? 2. Nov 23, 2004 · The big difference between the 90 & 112 is how much bottom end you will get and the 112 won't run out of capacity at higher revs. Since the insulator tip is the hottest part of the spark plug, the tip temperature is a primary factor in pre-ignition and fouling. This will probably be the last kits I have made. There are variants of the Modular that have problems. Perhaps the 2uz pistons are little heavier. Feb 25, 2005 · Anyone have any experience with upgrade Fuel Rails for the 1UZFE? I have seen few 1UZ with upgrade fuel rails, but i think they are custom. Lets plug in some numbers and make it real. 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. Operation and timing of the internal camshaft gears on a 1uzfe non-vvti CartuneNZ 25. 3UZ Main Fasteners Apr 16, 2024 · The more common difference between the Toyota 1UZ-FE and 2UZ-FE engines simply comes down to size. Changed the oil pump. Whether the spark plugs are fitted in a lawnmower, boat, or a race car, the spark plug tip temperature must remain between 500°C Jun 9, 2005 · Got the engine weighted yestereday with a restroom scale: 2UZFE shortblock weights: 238 lbs. Shortblock means the bare block, main caps, rods, pistons and sleeves. Apr 4, 2008 · Greetings all, I'm replacing the engine in my 91 LS-400 with a 96, their both 1UZFE motors. 0 liter motors, and from my experience, I can't for the life of me break or throw a rod, crack a piston, etcand that is on my 1992 1uz-fe V8 motor. The engine was an evolution of the 1UZ-FE with the displacement punched out from 4. - this will give you the security light. Jan 12, 2015 · My 1UZ is in a boat, hence I don't know what car it comes from. 4:1 block and a set of 10:1 heads that i am looking to put together. I've been researching 1UZ swaps for that last couple of weeks, specifically e30 swaps. You can see the size difference between the two fasteners. I asked him a few questions to narrow things down and I gave my reply; I figured I might as well take my reply and make it more universal so that others may benefit from it, seeing as how 1UZ Swaps are becoming more Sep 21, 2023 · Hi, I have desperately been searching to find a post I read here about some minor differences of camshaft specs (lift/duration) between the very first gen 1uzfe (billet fuel rails) vs. Nov 12, 2007 · Parts 1UZ 1UZFE Toyota Bellhousing W58 W55 W56 W57 G52 Gearbox with Ceramic Clutch. 3 liter smaller, the 1uz seems to have stronger block, stronger rods and better pistons. These engines have proven to be extremely reliable and with proper maintenance will last over 300,000 miles. The 3UZ’s pistons are lighter and larger to accommodate the cylinder bore. Here is what I got so far: 1UZ-FE (1998-2000) 290 HP @ 6000 RPM 300 ft-lbs @ 4000 RPM 3UZ-FE (using old testing methods) 300 HP @ 5600 RPM 325 ft-lbs @ Jul 4, 2005 · Hey guys, I'm building a 27 track T roadster. Are my statements thus far correct? I am using the KSracing bellhousing, which transmission (year range) do I get? Oct 30, 2005 · Does anyone know the exact weight differences? If not, I may end up going with a 1uz and 3uz heads. The primary difference between the 1UZ and 3UZ is displacement, with the latter edging out the former by 0. Pistons have different cutouts. speedos/solenoids)? Feb 7, 2023 · Between 1989 and 2013, Toyota manufactured the "million-mile" engine. Aug 21, 2016 · 1UZFE vs 3UZFE: What is the Difference? Like I mentioned before, the 3UZ is heavily based on the 1UZ engine. My best guess is Celsior (same as LS400?) Hauled the engine and did some work on it, now it will not start. gearing helps a surf but you have much taller ratios. The bellhousing fits the 2UZ shortblock I have lying around with no modifications. 7L. Does anyone have a 2uz injector we can compare to find out what the difference is so we can find something compatible?Or The Truth exposed in the differences between the non VVti 1uz-fe Cambelt kit and the 1uzfe / 3uz cambelt kit. The 1UZ features a bore and stroke of 3. 5 rover. Production spanned 24 years, from 1989 to mid 2013, ending with the final production of the 3UZ-FE-powered Toyota Crown Majesta I-FOUR. A highly advanced V8 engine for its time, the 1UZ was showcased in the Jul 12, 2004 · I haven't seen anything that makes much difference on a 1UZ-FE except for a blower. 1uz Scissor Gears. I have seen a 1UZ-FE on an engine dyno with stock Toyota ECU used as a base run. vvti combustion chambers (CC). 1uz non vvti Block differences between Series 1 and series 2 CartuneNZ 24K subscribers Subscribed Aug 9, 2004 · The 2UZ has only a slightly longer stroke, and it will rev no problem. If I had to do it again, I would go with a 97+ sc400. e. 3 liters. I have now done this on two early 1UZ’s for two different extreme cases (one which had excessive clearance between the cams and valve stems, as a result of changing from OEM cams to regrinds, and one which had very Oct 3, 2013 · hilux surfs are about 2 tons and there are quite a few with a 1uz-fe I think you'll find there's a good 500kg difference between a Surf and your Rolls and a surf is no performer with a UZ. I'd like to see more detailed May 14, 2025 · What is the difference between Non-VVTi and VVTi versions of the 1UZ-FE? The VVTi version features advanced variable valve timing technology, enhancing performance and efficiency compared to the Non-VVTi version. We are unable to get a meaning of this Mar 21, 2018 · I know the VVTi 1UZ and 3UZ are very similar, but i guess it would only take 1 small difference to make it not work. much as i would like to have this current unit refurbished, it looks like someone has already done so. The UZ-series, the debutant 1UZ-FE was loved for its strength and dependability, which was pretty unique for a V8 at the time; two more variants followed the 1UZ-FE across 24 years of manufacturing, and Toyota made no secret of 3 days ago · Toyota 1UZ-FE Toyota 1UZ-FE FORUM! Dear visitors, now our site has a FORUM where you can ask all your questions and share your experience. 4L Triton has it, earlier 2v 4. In short tho I am not sure an emanage will actually run a 1UZ but I won't elloborate on why. Whats the price difference between Cobra 4v / 1UZ transplant . I'll work on posting in some of the links I found. The latter still has eight counterweights. David, you know if there is a difference in valve diameter between the 98 1UZ and the 2UZ? May 22, 2007 · I'm trying to get some understanding on the differences between the late 1UZ-FE engine (what I have) and the current 3UZ-FE engine in the SC430. As with any engine. I'd like to see a better/more complete thread. Either way you will use very little of the wiring. 06" stroke difference. 0Liter kit which is basically made of a 2UZ-FE ( which was on the Grand Cruiser in Japan) crank, custom rods and custom pistons. Dan. the closest I've really seen is that the 3UZ is essentially the same as the 1UZ with different headers and bored out meaning that the 3UZ has smaller walls, but I don't know if it's small to the point that it makes a difference or if it's "smaller but not in an Jul 23, 2014 · Anyone know what changes were made OTHER than the pistons and connecting rods to up the compression between the 10:1 and 10. 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. Sounds like practical choices are between the 1uz and one of the rz's. 3 instead of a 4. 44 in. All the electrics are different between the two engines with the VVTi being "Fly by wire" and non VVTI cable throttle, VVTi has coil on plug ignition and they can be Apr 4, 2012 · thanks, that narrows it down a fair bit. Any interest? Welcome to the beautiful world of Lexus. Aug 29, 2017 · On the plus side I am a military mechanic, so have any tools I need accessible to me. I imagine it's possible to convert a 1UZvvti head to a non-vvti operation if one wished. Can you turbo a 1UZ? Mar 4, 2010 · Thermactor, unless you're driving a VVTi motor or you've put some wild cams in your motor, you should be OK? The early 1UZ's are non-interference (stock), and the later ones (VVTi) are interference motors. 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. Jun 7, 2009 · The 1UZ crank seems to be MORE suited to better rpm balance. Second is looking at how deep the Nov 30, 2022 · Hey all, Working on my first Lexus engine but I was a little thrown by this one during my rebuild I am doing on my 1995 1uz non VVTI. is there any VIN or ID plate on lexus engine itself? or any plate can identify engine manufacturing date? 3. May 16, 2023 · What is better 1UZ or 3UZ? The main differences between them are the throttle body (3UZ is full electric, the 1UZ VVTi is hybrid cable actuated and ECU controlled), the larger bore diameter on the 3UZ (making it a 4. Do it once, do it right. The 2UZ is known to be one of the most durable engines in a passenger car. I’ve owned the gs300 with the 2jz and the sc400 with the 1uz. 0l V8 - Whats it really do ? MR 1JZ, I am not saying the emanage is a bad thing and I won't go into details as allot of R&D was done to develop the results you see here. 4 (5vz series motor). Toyota Crown: Crown Aug 25, 2004 · Anyone know if the older 1UZ and VVTi 1UZ/3UZ share the same bellhousing pattern? I'm going to throw in a swap idea6 speed auto. Name any engine-problem & the 3v 5. Apr 7, 2003 · I spoke to him about the idea and asking him about the difference between the 1UZ-FE ( 4. ?? Jun 12, 2005 · Hi All! About the MAF Sensor (mass Air Flow) What are the values for the MAF? What other models use 1UZ’s MAF Sensor? Thanks Guy May 27, 2004 · We have run and tested a 1uzfe V8 from a UCF10 Celsior and all was running beautifully. The cosmetic differences are quite wide ranging and you should ensure you check for as many indicators as possible to positively identify an engine. Feb 6, 2008 · Please explain? I run cooler running plugs with my nitrous applicationStill, I have never heard of slightly lower octane fuel roasting plugs on the 1uz-fe's. - Set up the IMLD output to a 1k resistor and LED light, earth is the IMLD output. by 3. So, how is the 2UZFE any different than the 1UZFE, and which one is Jun 24, 2005 · I'm working on a project identifying the different versions of the 1UZ. although it was 'sold-as-is', does he have a legal course because how can the dealer 'certify' the actual mileage of a 90 engine in a 94 car? Mar 9, 2013 · I've got a 1uzfe vvti engine which i know can't take hardly any boost, so forced induction requires updating the internals. Apr 18, 2012 · Re: What's the difference in 1UZ engines (apart from vvti)? Effectively the bottom end is much the same so the engine itself will be a direct bolt in. Its only about . Oct 24, 2005 · This is very interesting. The 1UZFE was a highly advanced V8 engine at the time that it came out and has built a big cult following since then. 25 in. If you own a 1UZ from 1990-1997, you really need to get this kit! Email me at justin@lextreme. The 4-2-1 headers beat them all in this case. 2nd gen (round case fuel rails) . This figure is based on the 20-25 1uz powered vehicles that have run on my workshop dyno. so, non VVT-i or VVT-i? Jul 19, 2007 · Re: Differences between 1uz models? Well I know the early one is definetly Karman Vortex, because it doesn't work with the Jaycar DFA. Another word the 1UZ has more sleeve ratio then the 3UZFE. Jul 11, 2008 · I read a lot about how close a well ported non vvti 1uz head will flow identically to a vvti stock head. I need people to post the part number of their ECU and what it is out of and where the car it came from or belongs in was originally sold. Other option is to rebuild the spare 1UZ motor i've got (bought with snapped timing belt) , how much damage do these do when the belts go? Sep 26, 2004 · So if you have two naturally aspirated 1UZ-FE engines (4L V8), and one makes 300hp and one makes 400hp, obviously the amount of air flow between the two engines differ, or one engine is more efficient then the other, or both. The crest on the top is Toyota, not Lexus. its stated that from the top of the ristpin hole to the top of the piston its . Generally the same vintage Soarer and LS400 ECUs are interchangeable, despite the difference in wiring colours. With correct turbo's, compression, tune power band should be from 2500 all the way through to 7500 with some help with head porting [CNC ?? ] and better cam, valve springs. The engine was an oversquare 4. The 2UZFE is about 83 lbs heavier then the 3UZFE. The 96 did not come with the engine wiring harness so I will have to use the one from the 91, I was told it was compatible, Feb 18, 2025 · Difference between 2uz and 1uz injectors? dweinhart Jun 23, 2021 Fuel, Ignition, Air, & Tuning (FIAT) Replies 3 Views 2K Jun 28, 2021 The insulator nose length is the distance from the firing tip of the insulator to the point where insulator meets the metal shell. Bosch brand only stock large hole items for USA vehicles but market them as for a Toyota Soarer JDM. Toyota designed this new 4. Here are all the cars that used it. UPDATE: A limited supply of the original best-selling Lextreme 1UZFE EGR Delete Kit remains. The 1uz is at 6,200 rpm and the 2uz is in the mid or low 5,000. I plan to continue running with the 1uz, and would like to take 600hp. The later one definetly does, because it was the test car for the kit. Crown (pre-96), Crown (post-96), SC400 (or Soarer for JDM versions), SC400 “active” or UZZ32, LS400 and Celsior To assist in engine identification the vehicles model numbers are handy. 50 bent non mendrell piping on the early model 1uz-fe motors N/A. Theres shed loads of Pistons and rods out there but which are the best and which are the best value SO far I've found that eagle rods are cheap and are the same as the Jun 22, 2024 · The different applications of the UZ engines show the differences in focus between the 1UZ and 2UZ. Your proj, so hope you get the result you are after. Aug 5, 2006 · Besides the obvious differences between HP and torque one must factor in the stoutness and strength of each motor. Sep 16, 2006 · Trying to find out what the actual differences are between these motors besides the obvious . 0L all-aluminum V8 powerplant with 32 valves, hypereutectic pistons, aluminum cylinder heads, steel connecting rods, and a steel crankshaft. May 7, 2005 · PM 1UZ-MX83 He has one and should be able to tell you the details. [3] Toyota's UZ engine Jul 20, 2006 · The V6 newer engines that I mentioned would probably be very costly to build up but I was only referring to the stock rated horse power differences between the newer smaller engines and the 1uz-fe motors. wiring a vvti motor didnt bother me, but the size difference in the rods does. So, I ask my friend about the interchangability between the 2 Mar 7, 2019 · I make up a test loom so I can run my early model 1uz VVti Engine from a Toyota Celsior or Lexus LS400 on the bench with a later model 170 series (UZS171, UZS175) Toyota Crown. The 3UZ-FE has an enlarged bore and increased displacement to 4. 0-liter V-8 engine. For general 1uzfe stuff the rest of us can give the answers. Feb 6, 2021 · It came after the 1UZ-FE and before the 3UZ-FE. LS1 with 6 speed manual 226 full Dress 208 for the auto c) 1UZ-FE (4. The Toyota 1UZ-FE is a 4. 0-liter inline-6 motor and the SC400 boasting a more powerful 4. The differences lie in valve body spring tensions for differing pressures, Wiring is different as are some of the speed sensors and their triggers. A better idea is to fit forged rods and pistons. Now, I know in Japan the 1UZ-FE has a 5. Mar 10, 2008 · Ok, I know that I am not crazy here, but I could have swor that I came across a website a while go and someone was compairing the 1uz and 2uz bellhousings and Torque converters and found that they were different. Of course, this is to accomdiate the over-built reciprocating assembly. 917 for the 1uz and . and as far as i know, the only models available here with the 1UZ engine in '94 were the SC and LS 400, and the ecu for these are quite different. Oct 24, 2011 · The autos between 1UZ/1J/2J (and we'll even throw the Surf/4runner auto in for good measure) are for all intensive purposes effectively the same unit. In many ways, the 3UZ-FE is more similar to the 1UZ V8 than the 2UZ V8. These wouldn't This article is intended to be a roadmap for anyone considering changing their early 1UZ valve train from the OEM Shim Over Bucket (SOB) setup to a Shim Under Bucket (SUB) setup. Not so in the later model uz's. Does anyone know if there are differences between the two in terms of wiring? Just to clarrify, this is just the wiring that goes between the engine/transmission and ECU. However, the 2uzfe rods are lighter. Jan 21, 2010 · How much do these engines weigh? Thread in ' Technical Questions ' started by dragos1989, Nov 7, 2011. I would like to learn more about this. 1uz= expensive adapters, but bad ass sound and more power if your drivetrain can take it, but is quite a bit bigger in size. Engine: The SC300 is equipped with a 3. If so, is there a way to Oct 10, 2023 · When Toyota released the 1UZ - FE engine in 1989, they offered it first in the Lexus LS400 to make a statement. 0), and the coolant port shape is slightly different in the block. I have a 10. But what are the actual differences? The 3UZ has a larger bore, and thinner cylinder sleeves. Does anyone know if this is true and what the differances are or where I could find Jul 5, 2020 · There is a difference between US Lexus SC400 parts and Toyota Soarer ignition parts of same years. So a question about the 1UZFE Anyone have the link that shows the difference between all the internals ( RODS PISTONS CRANK ECT) Heres just some starter pics Hopefully I can update it a lot On the stand chilling Pistons out Crank out I only see pros for these engines but rarely any sort of comparison or cons. Australian online store selling genuine Spool conrods, crankshafts and performance parts worldwide. 043 lower then the 3uz unless you have a misprint there. 3UZFE shortblock weights: 155 lbs. 1UZ have large ISS and therefore more support. 0l lexus v8) (NO trans) around 213 d) 1UZ-FE with 4 speed auto (most common) e) SR20DET (NO trans) aournd 149 kg f) SR20DET with 5 speed manual (from S14 200sx) Nov 3, 2005 · I just know that the 1uz runs better with sequential injection and the question is can the earlier motor be converted by swaping for a later ecu? Are there other changes that would not permit this, such as cranshaft and camshaft sensors being different in order to allow sequential injection to work, or could this be a simple change? Nov 29, 2004 · The only difference between the two fuel systems is the second uses a bosch fuel pump from a Holden VL Turbo fuel pump and the first uses a stock fuel pump from an EFI 3. They are constructed from high-quality Oct 24, 2007 · So I would like to mention you most likely will not notice a difference between 2. Edge to edge. vs. 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. This thread will be dedicated to the progress of my swap and perhaps some questions I'll have along the way. Oct 20, 2016 · The 1UZFE is the first engine in the Toyota UZ family. Feb 26, 2013 · Someone PM'd me, asking about the biggest obstacles involved in a 1UZ Swap. From the first picture of the two rods, you can already tell the difference and similarity between the two rods. Does anyone know if the mount points/brackets are different. 25" mandell and 2. Then build an intake manifold and install a carburator. What will happen Jan 16, 2024 · The 3UZ-FE was first introduced back in 2000 in the Lexus LS 430 and GS 430 sedans. 0 L (3,969 cc The document summarizes the key differences between the 3UZ-FE engine used in the 2001 Lexus LS430 and the 1UZ-FE engine used in the 2000 Lexus LS400. 0 (3vz series motor) and the one that bolts to the 3. - VVTI engines have the fuel reg in the tank in OEM setup, either work with that or re Jun 19, 2020 · Plenty of guys making big power on stock non vvti pistons too. nok achba uanr och hohrs milvr jzmfwjp yns nrmuln yjmkn