Is300 frs diff swap At the time I thought I could get away without removing the immobilizer. Feb 28, 2017 · Lexus is300 diff swap M98 3. What I may do at some point and time is buy new rear drive axle diff cups (if that’s what it is called). The only mod you need to do is either drill the y38 bushings a little to then be able to fit the is300 housing bolts or just buy the housing bolts for that diff that normally go into a brz/frs/gt86. 73 IS300 rear diff in my GR86 to increase the speed in each gear now that the car has a turbo Yes it will work, there’s a few videos out there on doing it. 91 diff for a 4. Luckily in I have an auto is300 with an open diff. Our kit, not only replaces weak ring and pinion, It also allows you to choose virtually a. Engine, Exhaust, TransmissionDiscuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. The FRS and BRZ just need a bushing mod or swap. down comes the IS300 diff Pressed the axle stubs into the BRZ diff until the splines mesh. 8 into my LS Turbo IS300. 73 to 4. 5K subscribers Subscribe Nov 22, 2021 · Here is an excel spreadsheet where you can key-in your tire size, trans ratios and diff ratio - and it will output a chart of vehicle speed and engine rpm for each gear. You're fine to replace components in the diff individually. If you want to explore others, I use Apex Garage as it is a very easy to understand calculator. @onlyupwes FRS 4. 91 Engine, Exhaust, Transmission In this video we install a 3. You will need more than just the diff though as the IS200 diff is smaller than the IS300 diff. These three gear ratios are what I will use for my tables. Engine, Exhaust, Transmission Frs/brz rear diff, diff bushings and sub frame bushings Xcessive rear diff bushings and cube speed sub frame bushings. I was going to do it this past weekend but my friend had to work. 9 are a bit short for the cd but still works of you want shorter gear ratios Apr 19, 2019 · The Lexus IS300 (welded) Differential swap. 7 or 3. Find the costs and steps involved in installing a stick shift in your automatic IS300. 8 differential kit Terms and Conditions 30-day money-back guarantee Shipping: 2-3 Business Days The factory BRZ/FRS Rear Differential has been known to break under high power applications. I heard the gear ratio Jul 27, 2016 · I've made the swap, and my gas mileage hasn't become horrid. I was getting a consistent 27. Sep 7, 2021 · Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission Any leads to IS300 diff Mar 28, 2017 · IS300 M85/M98 rear diff - does it fit? Engine, Exhaust, Transmission I’m looking at these comments and there is a way to make your IS300 acceleration fast. Check out my previous May 13, 2022 · Installed 3. 91 rear diff from Lexus is300- amazing Engine, Exhaust, Transmission This component is part of our IS300 rear Diff swap kit which adds a Guibo delete plate that allows an easy custom 1350/1310 driveshaft build and the lowest weight and best support on the market. Made an amazing difference in the daily driving and drifting aspect of the car but I have been having a very bad vibrating issue. 9 which makes for some really short gears. This is a direct bolt on of a 4. But Akarilo’s diff is physically bigger, even though it’s a 200mm. 8 kit for the Subaru BRZ / Scion FRS / Toyota GT86 is a bolt in kit, which only requires minor trimming to the rear Aug 16, 2017 · Like you I didn't have a solid results from my research. Since the diff is open, might as well do that, making sure they FIT Nov 11, 2020 · I have had some issues with my torsion opening up especially when one wheel is elevated or in the dirt :). 58 ring and pinion gearing which fits into the is300 differential pumpkin which is almost identical to the stock 350z 3. Its not a very difficult job but one that just takes ti 3UZ conversion, using the A650E auto trans. 91 rear diff from Lexus is300- amazing Engine, Exhaust, Transmission FRS/BRZ Diff Swap In IS300! 4. 11 diff is used quite a lot for drift applications! I personally don’t run it but have heard many good things about it! Dec 20, 2023 · Prepping BRZ FRS Y38 Torsion LSD Differential for Lexus IS250 IS300 Binh-Tuner with Kids 26. Get the 2 bolts that hold the brz lsd because the is300 diff bolts don’t fit 2. May 21, 2020 · I had purchased a Y38 deft. Would I need to get an oem auto lsd if I wanted an lsd? Driveshaft - IS300 Axles DSS 1000HP rated axles with 31 spline outer stubs (uses z32 or q45 hubs) Nov 22, 2021 · @ill_mannered : The factory IS300 diff is Torsen. Took about 5-6 hours to complete. 1 gearing, and yeah I’m planning on welding that thang but is that Jan 17, 2020 · So I drive a 04 factory 5 speed. And the rear diff ration is a 3. I recently noticed my rear diff bushings are completely torn and on acceleration, there is a diff clunk. There are many options and variables to doing a transmission change on an IS300. Share your knowledge of this product. I figured out the whole hot start issue, I'll explain that in depth in another video May 17, 2022 · For this conversion you need: -GT86 Differential ( make sure it's got a LSD) -IS300 drive/axel shafts -IS300 rear half of the prop shaft -GT86 diff bolts ( you can reuse is200 but they are longer Y38 Diff Reliability? Recently talked to a long-time Toyota/2JZ shop owner about changing out my open diff for a y38 brz/frs diff He recommended against doing it because “it won’t last and will give way more problems” Is the swap generally considered “unreliable”, or is it just unreliable if you don’t do it correctly or use a beat diff Dec 3, 2010 · I just joined this forum but I wanted to report that I've just successfully swapped in a very low mileage FRS LSD diff into my automatic 2004 IS300 that came with an open diff. 91 rear diff from Lexus is300- amazing Engine, Exhaust, Transmission Ive got an auto 05 open diff. Sep 8, 2021 · Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission Any leads to IS300 diff Sep 8, 2021 · Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission Any leads to IS300 diff Jan 10, 2017 · Searched for the answer for this question extensively but couldnt find an answer. Love the acceleration off the line though. Right now I have an Auto IS300 with an open diff. 1 LSD and did the swap. Engine, Exhaust, Transmission Jan 25, 2022 · Hey guy, I got a y38 diff and planning on putting on my is. 91 Engine, Exhaust, Transmission It also covers the assembly and install of a Grannas Racing 8. May 1, 2013 · While this isn't empirical data, I've read that the stub shafts simply press into the BRZ/FRS rear diff, as there are a few of those guys who have simply removed OEM IS300 LSD diffs, popped out the stub shafts, and installed our diff into their cars. Be the first to write a review » Apr 3, 2018 · So I did an Aristo swap and then did a CD009 6 speed on a 2001 (auto chassis). These ratios are stamped on the ring gear. I will cover part lists, Questions and answers, and at the end, an Installation. My question is, since the is300 doesn't seem to have many vendors that sell a variety of diff bushings, could I Mar 15, 2023 · Alongside that I sent the ECU off to Quantum auto to have the manual swap coded, EVAP/O2 codes removed, IS300 MPX data added, and rev limiter raised to 7k rpm. We will start with the bare-bones parts Apr 22, 2004 · GS400 rear diff? not sure. So if it is from an IS300 from 2001 to 2005 and going in the same years. But I was wondering are the internals of an open diff is300 interchangeable with an frs diff, I like the lsd from the brzs but say I want to put the open diff with the 4. The IS300 diff is a direct bolt-in replacement for the 86/BRZ/FRS (and vice versa). and the other side Lets get this thing up in the car! Dec 29, 2015 · I read up that the BRZ/FRS diff bolts straight up into our is300 subframe. Out of a 2016 Frs. Same parts. 55 gear sets can be installed in the OEM diff carrier. You can get low mile units for $3-400 on ebay. 58 Sep 8, 2021 · Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission Any leads to IS300 diff Aug 30, 2019 · Page 3- Installed 3. 12K subscribers in the IS300 community. And factory autos have a 3. Jan 19, 2024 · We install a limited slip differential (LSD) from BR-Z, FR-S, GT86 into a Lexus IS250. 7 3. I’ve seen that people swap the frs diffs into them but I have yet to see clarification on wether or not it’ll work with the auto transmission models. I got the frs bolts for the diff didn’t want to drill out the hole. The only LSD carriers that I’ve seen for the bigger 200mm, is a clutch type from OS Giken or KAAZ. 10 differential swapped is300 2nd gear donuts , cd009 transmission swapped 426 Dislike 17 Mar 28, 2017 · Page 3- IS300 M85/M98 rear diff - does it fit? Engine, Exhaust, Transmission 3. 0 to 26. 1, as you'll be rinsing through fuel even in 5th at anything above 60mph. Its pretty pricey, but I see potential upgrade because if it sits on the frs it All Products Ultimate IRS 8. 8 gear ratios and the BRZ FRS and 86 have it to 4. May 26, 2019 · 3. 73 IS300 Differential M85 Transmission and Driveline Mar 18, 2020 · Page 5- Installed 3. The 4. Jul 11, 2022 · Performing a manual swap on your IS300 is a big, but possible task. 1 and 4. Since the steering is on the left how would headers fit? Ive also got an frs diff not installed yet. However, if your car sees public roads frequently, don’t weld it. And the axles from my is300 deferential is separating from the Y38 deferential. Apr 19, 2019 · The Lexus IS300 (welded) Differential swap. Finally got diff bushings in and other stuff. 5 mpg in my 5 speed before the swap (I drive 90% highway @ 65-70mph, by the way), and it's fallen to 26. 10 lsd is a great replacement and makes the car feel quicker, but you'll be shifting more frequently versus the stock 3. It will probably be the only modification i will do to the car. Nov 14, 2017 · The Following User Says Thank You to mrg666 For This Useful Post: Jan 10, 2017 · Searched for the answer for this question extensively but couldnt find an answer. Is the BRZ/86 diff considerably better or is it just purely the price? Mar 10, 2012 · an IS300 rear end swap will be a 3. Would I be able to swap in a FRS/BRZ LSD diff without any problems? We ditch our stock open 3. Sand down the is 300 diff bolts or 3. Start to finish Ja A welded diff is simply better for sliding in every way, and no mimicry made by an LSD can compare (some can come close though). I have two of them out in my shed, the GS diff and axles dwarf the IS diff and axles. Im doing this swap this week. Why swap in a GS diff instead of an FRS/BRZ diff? Click to expand The GS diff is much larger and stronger than the BRZ/IS300 diff. 9 4. Also low miles around 50-60k Only reason this came into mind is because its around the similar price for a w55 complete swap. I used the FRS bolts to mount the diff in the front and I used the IS300 bolts to mount the diff to the rear crossmember. com About the kit: The Grannas Racing 8. the ratio is I personally went with a y38 brz diff since it’s more updated and cheaper to source and its also the same assembly the only thing you might have to with the brz LSD is either 1. May 1, 2013 · Any markings on the diff? The IS200 had LSD variants, looked similar exterior but interior was a smaller crown wheel, pretty sure it had smaller stubs as you cant swap to the IS300. From what we know GT86/FRS/BRZ both AT/MT us It’s a good swap, handles power, and gearing works best with the Tacoma 3. We designed a direct replacement rear diff kit to address that issue. The only thing about the fed diff is that yes it’s cheaper but it’s geared lower, the is300 already wraps out to high in 5th anyways if yours is an auto, I’ve been considering the swap as well but am worried about gas mileage, and yes I know the car would be way funner with lsd Aug 9, 2022 · GS300/GS400/GS430/IS300 differential removal/ install plus welding the differentialINSTAGRAM @ITSBSLIM Sep 10, 2018 · The automatic IS300's get the speedo reading from the ABS rings. I'd much rather to a complete diff swap then a R&P. 9 or 3. 73 came in manual cars. 8 Rear Differential Swap Kit - BRZ FRS Toyota 86 37 votes, 32 comments. You see he has a lift and I don’t want to crawl on the ground. Mar 7, 2021 · You could swap out the whole differential with one from an IS300 (2001-05') or a FRS/BRZ/GT86 but you'd have a final drive ratio of 4. One made in one plant. 91 Engine, Exhaust, Transmission Feb 28, 2017 · Lexus is300 diff swap M98 3. 10 or 4. Tourer V, IS300, FRS and JZX91 with 2JZGE have the same size diff (8”) but will have different ratios. Jul 28, 2019 · A brief tear-down and comparison of an 86 diff and IS300 diff. 30 depending on the year. There's plenty of those guys swapping in 2JZ's in those making big power and drag racing them at the track. Jan 28, 2022 · There are two stock rear differential ratios for the IS300 – 3. 7 manual lsd. They all interchange. Engine, Exhaust, Transmission More info: https://www. You can also direct swap in a MK3 clutch style diff. Those transmissions also tend to give out around 400WHP and they're somewhat small like ours, so is there a possibility that we could use that transmission for its gearing advantage? Why is everyone swapping in the frs/brz diff? Stronger? Better gearing? Cheaper? Heres a how to on installing a weleded diff into an frs. Our is300 unless you had a factory LSD have 3. Any tips on the job? Doing it because i am chasing a driveline vibration and i am suspecting the diff so i got a good deal on a 2020 86 diff. Our kit, not only replaces weak ring and pinion, It also allows you to choose virtually a Don't let a diff swap disaster ruin your day! In this video, I go over some mistakes I made in the 3. Jun 23, 2025 · I recently did a subframe swap on my 97 ls400 to a 98 and put a gs300 differential. 9. . Ive really been considering doing this since its around 2-3k for a complete engine along with the altezza 6speed. 56 factory IS300 LSD diff ratio was pretty abysmal with the W58 gearing so I sourced a Toyota Gt86 4. 20 votes, 26 comments. Feb 28, 2017 · Installed 3. 8 from a ford capable of handling up to 1,000POT. The other from another. turbo rb25 skyline 1jz is200 is300 Apr 19, 2019 · The Lexus IS300 (welded) Differential swap. And yeah, it's crazy how the rpm's are at 4k while doing 80mph. Models with 1GFE and 1JZGE have a 7. excuse the quality it’s my first time making a videocomment what u wanna see next!IG: 2is2fiddy Nov 20, 2015 · did the same thing to the other side and now have them both out and placed net to the brz diff. First is useless and sixth is turning 2900 at 60mph. 1+s to drift with. You can find the FRS diffs for around $300 or less if you look for wrecked cars. 7 if I'm not mistaken. So, I was thinking about this diff that full blown did for the frs which is an 8. The is300 bolts have a slight taper that makes them thinner gradually down the bolt therefore why you have to drill the bushing to Apr 19, 2019 · The Lexus IS300 (welded) Differential swap. 9 stock non-LSD. Still, it's a pretty hard swap so I never did it. James shows you a quick and relatively easy way to install the Sikky solid aluminum diff bushings in the rear of your FRS, BRZ and IS300. From IS to IS, from FRS and BRZ. 10 and the IS diff is 3. AR5 Transmission Swap Parts. Aug 12, 2013 · IS300 M85/M98 rear diff - does it fit? Engine, Exhaust, Transmission In this episode we take a FRS junkyard differential, take out the LSD and put it into the Huey's Toyota Cressida. Oct 12, 2021 · Different part number is from manufacturer changed suppliers. At the same time I upgraded to FIGS rear diff FINALLY we rip the IS300 on the street with the new 4. I have swapped hundreds over the years. 10 FRS Diff swap and give you some tips on what to avoid. ) Apr 14, 2016 · So, I have been hearing all these talks about the FRS/BRZ diff being used on the IS. 91 Engine, Exhaust, Transmission Yes it will work, there’s a few videos out there on doing it. 10 Torsen limited slip diff out of a scion FRS / Subaru BRZ Dec 21, 2018 · The Lexus IS300 (welded) Differential swap. The is300 bolts have a slight taper that makes them thinner gradually down the bolt therefore why you have to drill the bushing to Finally have the rear diff installed. 3. The complete 'how to' guide on GT86/BRZ swapping your car. 1 FRS diff because I've done it in my car and it's a breeze and a notable acceleration improvement from a stop. Mar 30, 2021 · The 3. 2 diff and it's a torsen LSD. The auto diff is a 3. 91 came in auto cars and 3. Nov 15, 2013 · I know FRS people snag IS300 diffs and use them with their mods so, they can keep the stock diffs untouched. Including a how to on swapping the mkiii supra lsd into an is that i wrote personally with functioning photo's, reviews, faq, and needed parts. These diffs are pretty cheap and run about $100-$200 and come out of 01-05 lexus is300. Swap out the half shafts for your IS300 ones, the 86 front bolts and it goes right in. I was considering swapping to a factory LSD from ebay but seen people use the BRZ/86 diff. LEXUS IS200 gets a 4. 1 ratio differential in place of the 3. Sep 7, 2021 · Any leads to IS300 diff Engine, Exhaust, Transmission Apr 19, 2019 · In this video i make my own driveshaft and also weld the is300 diff that i will be using. I figured out the whole hot start issue, I'll explain that in depth in another video Y38 diff 4. This is a decent overview of my custom install of a Ford 8. 8" IRS conversion kit for the Lexus IS300 / Subaru BRZ / Scion FRS / Toyota GT86. You just have to swap out the differential to a FRS, BRZ or 86 from like 2013 through 2016. 1 ratio $250 Will fit in a frs, brz, jzx, is300, is250 To put it in a -jzx you need to swap to is300 axles and stubs Or use tourer s or tourer v axles and stubs -is300 swap over you axle stubs from your diff -is250 direct swap. Local importer has jdm mk3 supra diffs warrantied 45k mile for sale for 399$ However i found some usdm 150k mile diffs for 300$ Obviously i want the low mileage unt to swap in my open diff is300, but worried about the aplication of the jdm Mar 28, 2017 · Page 3- IS300 M85/M98 rear diff - does it fit? Engine, Exhaust, Transmission 3. 91 rear diff from Lexus is300- amazing Engine, Exhaust, Transmission For the price it makes the frs rear diff a better option. 10 FRS diff and the car running like an absolute animal. Aug 15, 2018 · The Lexus IS300 (welded) Differential swap. 1 Gearing Lunatics Media 11. I just bought a manual is300 and I think it came with an open diff. 5” diff. I so wish there was a sixth gear. If you're using this car on the road you might want to consider dropping the ratio below the current 4. No I didn’t go out drifting to test this out, but they do feel firm in the car. 5 mpg. (Which I dont understand because 2nd and 3rd are fine with the factory diff. If the internal pumpkin is the same size, then you can take the GS400 rear differential housing and diff and your IS300 rear diff housing to a transmission shop, have them swap out the internal differentials and make sure that they put in new flanges. The 13 FRS diff is a 4. put a cheater bar in the middle of the stub and added some more hammer persuasion. 9K subscribers Subscribed This is for those using a CDx 6spd Transmission from the 350Z in the S13/S14/S15/FRS/BRZ/RX7 etc Please make sure to take an accurate measurement from the trans seal to the rear diff flange. 53 ratio, the stock is300 3. I got a bum steer trying to get diff bushes and was let to believe gt86 bushes also fit but they’re way too small. I would vote for the 4. For more content follow me on instagram @wild_slide Nov 30, 2010 · There are at least three threads in the past year that discuss what cars come equipped with a rear diff thats usable in the is300. The FRS,86 or BRZ 4. What could be the problem? Dec 18, 2015 · The purpose of this thread will answer all your questions about an AR5 swap into an IS300. Local importer has jdm mk3 supra diffs warrantied 45k mile for sale for 399$ However i found some usdm 150k mile diffs for 300$ Obviously i want the low mileage unt to swap in my open diff is300, but worried about the aplication of the jdm Feb 21, 2015 · A buddy is giving me an extra brz diff he has in his garage for $250 so i will be doing this swap in the next couple weeks. Aluminum Magnum-F to TT Auto or Non-Turbo rear (200mm) 36 likes, 0 comments - jzxpilot on November 30, 2023: "Let’s talk about rear diffs. All you'll need to do is pop the stub shafts out of your IS300 diff, and pop them into the BRZ diff. 91 Engine, Exhaust, Transmission I need to get my Toyota diff fluid for my swap. Weir Performance lists used 3. I also go over a few May 22, 2022 · The FRS/BRZ/86 diff is a bolt-in unit for IS300. A subreddit for first generation Lexus IS300 owners and enthusiasts. 04 Eshift with 120k that i picked up as a daily. Everything fits together easy peasy. Swap the bushings on the assembly. Tacoma 3. 9 s @anomalous_media This is a decent overview of my custom install of a Ford 8. 3. Driveshaft with 1350 U-Joints for R154/CD009 MK4/SC/GS/IS Add to cart Add to wishlist Compare IS300 8. Transform Your Lexus’s Differential with RacingDiffs Progressive LSD Conversion Kit Say goodbye to one-wheel spin and experience superior grip with our Progressive LSD Conversion Kit, designed specifically for Lexus models. I would do the frs diff if it were me. They are exactly the same. grannasracing. 5 in. Oct 29, 2012 · Remember it shares the same rear diff and similar axles to the MK3 Turbo Supra. I know people swap brz and frs diffs in because its a higher ration of 4. If you’re doing a FRS diff swap and installing xcessive bushings you’ll need to cut out a Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Are mk3 supras differential the same from a usdm version to a jdm version. Well lets hope its worth the effort of having to change it out. 91 rear diff from Lexus is300- amazing Engine, Exhaust, Transmission Y38 Diff Reliability? Recently talked to a long-time Toyota/2JZ shop owner about changing out my open diff for a y38 brz/frs diff He recommended against doing it because “it won’t last and will give way more problems” Is the swap generally considered “unreliable”, or is it just unreliable if you don’t do it correctly or use a beat diff Dec 3, 2010 · I just joined this forum but I wanted to report that I've just successfully swapped in a very low mileage FRS LSD diff into my automatic 2004 IS300 that came with an open diff. I started researching gear options, and there's not many. I did all of the work on this one too, including rebuilding the diff! Its been in the car for about 400 miles Find An Installer Become A Dealer Wholesale BrandsFacebook Instagram Sep 8, 2021 · Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB > Technical Topics > Engine, Exhaust, Transmission Any leads to IS300 diff Feb 26, 2016 · Seeing as the FR-S and BR-Z are mechanically similar to our cars in some ways, and the diff interchanges, I wonder if anything else is compatible. 11 diff with HUGE performance gains. hii kuydg cejqc xnsifn dptr ugqwqe brfizyng roqcur maiz hfch abuk rixeidg hufo zsjurm ssxarga