CGR+FD combo seems that should be doing just that. The car is a different beast now and Ive fallen in love with just how good these cars are NA on track. I want to make it feel like it's hauling buttocks without it actually hauling buttocks. You want longer gears with the extra torque, not shorter. It determines what RPM the car will cruise at, which in turn determines fuel efficiency on the highway and the noise level. We could talk about the benefits of gearing till we're blue in the face, so to keep this simple for the non-technical customers out there, or for those who just want to know the numbers, here are some examples of just how much power you can gain. Our price is lower than the manufacturer's "minimum advertised price." This chart is just a guide, as other factors could affect your end result. In these cars it was simple to pick up a cheap diff from another model and slam it in. Wide-ratio transmissions tend to be fitted to cars with wider powerbands such as diesels. The closer the gears are together, the higher up the power curve the engine can stay, meaning better acceleration. Cusco's goal is to improve each car's potential to provide the driver with the best experience possible. Use a 4.56 or 4.88 to improve acceleration. - GT86 Rear Drive Pinion Nut Hi, I was just after some feedback on the 4.67 final drive if anyone has any opinion regarding it. The other notable change is pulling 5th down the straight which is something I definitely need to get used to. For the most part the gears are the same were just higher in the revs and pulling gears sooner. when your not really pushing itsurely its going to haveme more get up and go in amongst the traffic when say cruising at 3000rpm, I suppose you have to weigh it all up. On my auto, DD wasn't ruined but I had a similar conclusion of "well, it depends". A taller 6th would probably have helped the GR's EPA numbers (though I'm averaging low 30s US MPG, so not terrible in the real world). They create one of the best roll cages that comply with the racing body's standards. Daninplymouth, April 11, 2019 in GT86/BRZ General Chat. Changing to a taller or shorter final drive ratio can customize your overall gear ratios, specific to your application. What were yours at the end? As a result, we are proud to offer enthusiasts the best final drive gears on the market today. Ill go through what gearset we used and why aswell as comparison data and in car videos for all the nerds out there who love the numbers as much as I do! Yes it will fit, and yes the speedo will be fine. Accept Formula One cars have very narrow powerbands, meaning they use very close ratios. It should hit exactly 60. Unfortunately, more and more cars are opting for integrated units, making it impossible to work on them unless you take them to a licensed garage and pay extorsionate amounts of money. Repeating myself here and on YouTube, sorry. Close ratios means more shifting, so close-ratio transmissions are fitted to sportier cars. Change), You are commenting using your Facebook account. For example air drag stays same. The popular options in Japan are 4.56, 4.88 and 5.1. Spoiler its bloody awesome. Sounds good, never got my head around ratio's but thats a great explanation. Cusco maintains its high-quality standard by doing their parts inhouse. Focus RS / ST Transmission Build Services, Supra A90 / ZF8HP51 Transmission Services, The following speeds are based on an OEM tire diameter of 24.62". ST3 1HZ, Working Days/HoursMon - Fri / 9:00AM - 5:00PM. - GT86 Rear Diff Front Oil Seal These can be found in the Drivetrain section. Toyota GR86, 86, FR-S and Subaru BRZ Forum - FT86CLUB. Why change it?. Other downside I find is that it can be quite a loud 'whirring' noise, How loud is the whine? I've got the MFactory 4.67 Final Drive. Cusco has been very popular when it comes to chassis stiffeners and roll cages. browser. $('#productLockup').on('click', '.addToCartButton', function() { Products, Newest We reckon this is one of the best and most noticeable modifications you can do. Thank you all, appreciate the technical info and real world experience. Interstate and overseas shipping can be arranged at very competitive rates. Visit Vivid Racing and check out the list of Cusco products specific to your needs. We strongly recommend opting for the complete Neat package to take advantage of our unique strengthening processes which will ensure reliable running with forced induction applications. Heres whats included: The Complete Neat package is a bundle of all of our tricks and improvement processes in one complete package. The solution is either more gears or wider ratios. In the 86 it isnt so simple which is why ive held off for so long. It is intended to save dozens of lives on the race track and in the streets. This wont allow you to control how close or wide the gear ratios are, but it will allow you to change all your gears by the same amount. A higher number offers more torque at the wheels, closes the gear ratios, and a lower top speed. As you can see in the data the pink line is with the 4.56 and although our corner entry speeds are lower (due to my average driving on the day) we actually climb up to the same speed which makes me very excited to throw some fresh tyres at the car! Our price is lower than the manufacturer's "minimum This is meant as a guide. The standard ration for a GT86 & BRZ is 4.1. However, high-performance cars often have less aggressive gearing because acceleration in the early gears is traction limited, and shifting many times can be tedious. Note:You will also need to replace the following parts when installing the final drive. Crown Wheel & Pinion Set forGT86 & BRZWeir final drive gears are CNC machined and lapped for quiet operation! JavasScript is deactivated in the Pretty nice setup you have! Lauren: just that there are much bigger "rpm-jumps" between first two gears and rest, so close gear ratio lets easier to keep car in powerband for quicker acceleration. They are widely known in the automotive industry and have participated in various race series within and outside Japan. MFACTORY TOYOTA GT86 FINAL DRIVE GEARS by MFactory from only 544.98. This is less of a problem in cars with dual-clutch transmissions, but it can be a nuisance with manuals unless the driver is very good at shifting. Heres what we include: Check out http://www.neatgearboxes.com.au to find out more about our unique set of services. Please confirm you agree to the use of tracking cookies as outlined in the Cookies Policy. The solution is simple though back to PVS for a tune up and a couple more revs! I'm at 7400' elevation, so it's probably downright zippy at sea level. JavaScript is disabled. The tried and tested manifold and remap route is your best bet. In my little time driving, the car seems peppy from a stop. This means getting a new differential with a different internal gear ratio. ga('send', 'event', 'Stock Status Tracking', '', 'Viewed product So what would an extra 4% do to it, out of curiosity? I've tried the other shorter final drives and didn't rate them. The Standard kit is anything but basic; it is an exacting factory-spec swap. We rebuild your diff to exact factory tolerances no shortcuts. like what are all those decimal numbers? Decline. 4.556 final drive with TRD gear ratio change - good or bad idea? We check and adjust mesh pattern and assemble in our dedicated clean room just like all of our gearboxes and diffs. Mechanical losses increase (of engine and gearbox), but they are just part of all the forces engine power is used to counter when car is moving. The ultimate example of non-aggressive gearing is the Koenigsegg Regera. In a perfect world it would have also thrown a 1.5 way centre in it but the price was right so it had to be done. -GT86 Rear Diff Crush Tube. In general, a taller gear ratio means better fuel mileage and less noise, although youll have to shift down if you need to overtake.The ideal cruising speed is usually around 1600-2000 RPM for diesels and 2000-2500 RPM for petrols. I wouldn't change a thing and the car is very strong - highly recommended! No other modification comes close to the return you get for this kind of money. I was actually lucky enough to score a complete diff out of Iain Chandlers car (ill link his in-car here, he still holds the NA record at Wakefield Park despite selling the car a while ago). Cusco has created many racing vehicles for different racing disciplines, such as rallying, track racing, autocross, time attack events, and gymkhana. Unless maybe he was running a different tire size to throw it off. - You will also need to replace the following parts when installing the final drive. This website uses cookies to ensure proper functionality of the shopping cart and checkout progress. Are you doing that because you have forced induction? quick explanation is that the ratio of the selected gear compared to its input speeds up or slows down the speed (and inversely torque) thats fed into it. TL;DW: 4.88 on a MT is quite aggressive and I wouldn't recommend it for a typical daily driver. Freeway cruising is much higher in the rev range which would ruin the DD'ability for most. For owners, enthusiasts, and those who are simply interested in the FT86 platform: including the Scion FR-S, Subaru BRZ, and Toyota GT86/GR86. MFactory is the more affordable option but Cusco was a factory option so there was no risk of any gear whine if the diff was built by a reputable shop. Email us:This email address is being protected from spambots. Originally I was tossing up between MFactory and Cusco. A different size tire doesn't throw the speedo off cuz the speed sensors don't see if you're running a shorter / taller tire. Combined with the close ratio transmission gear set, this is the most powerful modication that can be done to extract the full potential of the naturally aspirated machine. Thats sort of my thinking at the moment I think I might get a bit more fun and engagement rowingthrough the gears quicker not really bothered about the mpg and noise as I think its only about 300rpm difference right, Most of the time I don't really notice it,I suppose I've just gotten used to it.