Overdrive is any gear that has a ratio less than 1:1, so the drive line turns faster than the engine does. http://www.subarugears.com/Ratios/Ratios.html. (EWaoe+*ZH)h}ih1kQ This chart is based on a drivetrain running at a 1:1 gear ratio at 65 MPH using a manual transmission, meaning the transmission and transfer case are passing power through from the engine at a 1:1 ratio without any overdrive or reduction . The 2015 WRX has a new 6-speed cable-shifted manual transmission behind the new FA20DIT boxer engine. 3rd: 1.296 The gears for the 4EAT are as follows: (credit to WRXNate) Automatic transmission gear ratios: 1st - 2.785 2nd - 1.545 3rd - 1.000 4th - 0.694 reverse - 2.272 final drive ratio - 4.11 Each gear can be taken to the following MPH (Credit to BrandonWRX . This page was last edited on 24 February 2023, at 09:28. Please refer to the Gear Ratio Calculator to determine your rear end axle differential ratio. Do you know what the rear diff ratio is for 08 Legacy and 08 impreza? Subaru motor vehicles have used manual, conventional automatic, and continuously variable (CVT) transmissions. It lists gear ratios, transfer gear ratio, final drive ratio, differential types, and some other data. Transmission code: 1st Gear: 2nd Gear: 3rd Gear: 4th Gear: . New 2022 Subaru WRX Premium 4 DOOR SAPPHIRE BLUE for sale - only $33,568. Rev 2.370. Dec 2, 2011. For a better experience, please enable JavaScript in your browser before proceeding. subaru automatic transmission gear ratio chart. quick explanation is that the ratio of the selected gear compared to its input speeds up or slows down the speed (and inversly torque) thats fed into it. Popular Tools & Look-Ups. We've assembled a variety of manual gear ratio charts for General Motors vehicles that we hope can help you avoid choosing the wrong transmission only to discover your hot rod or truck is performing like a 19th-century horse-drawn chuckwagon, minus the delicous beans and salt pork. Sounds good, never got my head around ratio's but thats a great explanation. Part Number: 31000AD890. Whatever the front final drive is set to is irrelevant to this application because the RS rear diff and the RS tranny are still mated together. The transmission uses a cable shifter, unlike previous designs that use a direct mechanical linkage. In my little time driving, the car seems peppy from a stop. I know this though, my rear end on my old Ford was was a 4.10, meaning in the differential the ratio was 4.1 to 1 for the ring and pinion (or vice versa) So what the heck is a final drive? The CVT transmission proved unreliable after accumulating high mileage, causing Subaru to stop exporting cars with CVTs outside of Japan until the fifth generation Legacy/Outback. Type Rear Diff. I don't see Subaru using a completely different gear ratio setup than they have now for the RS . Does anyone know if the 2022 BRZ will have the same ratios? I have the rear dif to go with it so the ratios will all be the same. I have been led to believe that the axle ratio and the final drive are two completely different things. 5th 0.834 Performance engineered for responsive handling and rear-wheel-drive excitement, the 2023 BRZ is a love letter to serious drivers from Subaru, the six-time . Focus RS / ST Transmission Build Services, Supra A90 / ZF8HP51 Transmission Services, The following speeds are based on an OEM tire diameter of 24.62". It is a metal chain, pulley-based CVT, which is considered the most reliable, due to the simplicity of the pulley system and durability of the metal chain. 0 There are several six speed manual transmissions currently available for USDM Subarus, found in the STi, Legacy Spec B, and 2015 WRX. JDM Forester XT STI : Manual transmission ratio chart 5 Gear Transmissions . The Spec B's 6MT ratios are highly prized by some due to its longer ratios than those found in the WRX STi, while still retaining much of the STi unit's robustness. List of Subaru Transmission Types with key gear ratios. The Subaru Performance Transmission with automatic downshift blipping control is available to combine the convenience of an automatic with fingertip paddle shifting and an 8-speed manual mode. if you look at http://opposedforces.com/parts you can track down the final drive ratio for your car. Please refer to the Tire Height Calculator to determine your tire height. Clear editor. Transmission temperature warning. Only all wheel drive transmissions from Impreza, Legacy, Baja, Forester, and Saab 9-2X models are listed at this time. Combine these overdrive transmissions with a 4.10 axle ratio and you have a fuel-friendly final drive ratio of 2.87:1 (4.10 x 0.70 = 2.87) in high gear. The active clutch operation is similar to the ACT system, although the clutch is used to suppress differential action instead of as the differential itself. oK#OZu&4t.e\6mabm h hFT|1slL=(n93oH+.w2sN G7]!B/\#c6o="3t$f)R8Wc/1&8E}>gwS`?a++Xv>}2 m1ke#(o>>>/Filter/Standard/Length 128/O(]\r8~~~M_7q?")/P -3392/R 4/StmF/StdCF/StrF/StdCF/U(K\(gu.aP )/V 4>> endobj 7206 0 obj <>/Metadata 89 0 R/OCProperties<><><>]/ON[7227 0 R]/Order[]/RBGroups[]>>/OCGs[7227 0 R]>>/Outlines 93 0 R/PageLayout/SinglePage/Pages 7202 0 R/StructTreeRoot 100 0 R/Type/Catalog>> endobj 7207 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 7208 0 obj <>stream Quick Search Your Saved Searches. TZ1A3ZC2AA. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. A simple formula to calculate Gear Ratio or Axle Ratios. According to the Subaru specs it (the RS) has a different gear split front to rear ( no 1.1:1 transfer case step) than the WRX so does not use different ring and pinions in the front diff and rear like the WRX does. Subaru built their own four-speed automatic transmission based on the old Jatco design. In 2006 and 2007 the 6MT came with a final drive of 3.545 which made the 2006 and 2007 much sought after for the non-STi WRX owners as a transmission swap. While the 1350 u-joints provide . I'm wondering if anyone has that info for automatics.. Raise one rear wheel. Come join the discussion about performance, modifications, troubleshooting, turbo upgrades, maintenance, and more! Note: Automatic transmission RPMs tend to be a little higher and transmissions with an overdrive tend to be a little lower.Gear Ratio and Tire Size . Contact me if you're looking for a PTE Turbo! 1st 3.538 It runs a 4.111 AND has a shorter 5th gear ratio. 3rd 1.296 Center Diff. It employs a push-belt system and comes with an optional 4WD unit that engages the rear wheels when a button on the shifter is depressed. However, determining the rear differential ratio is fairly easy. Your final drive is 4.111. Quick calculator gives these speeds for each gear (note . switzman. Here is the rallispec chart also helpful for cross referencing gearboxes: But have a question which would be the best. This capability was removed for 2008 and later years as Subaru elected to for a simplified splash/scraper lubrication system. 4th 1.029 General Motors . This system is the more commonly used setup used on most Subaru products after its introduction on the XT6. For a better experience, please enable JavaScript in your browser before proceeding. The chart calculates vehicle speeds based on the gear ratio, final drive ratio, and tire size. Search Paste as plain text instead, We use cookies on this website for diverse purposes, including personalizing content and analyzing traffic. Late 2004 WRX STi models came without the stubs and instead had male front axles. I did a quick search of the '03 Legacy Owner's Manual (downloaded from "My Subaru" site) but didn't see it listed in there. Vehicles with an automatic transmission are equipped with a torque converter that's located between the engine and the . Be sure to click on Calculate, then farther down Auto Shift. This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end . Subaru manufactures its own manual and CVT transmissions (for non-Kei cars). 2nd 1.947 I just thought I would add a little clarification here about RimRockaz post. This torque split is static and is different than MPT only system in that the mechanical planetary center differential gear provides this ratio as calculated by the number of gear teeth. var path = 'hr' + 'ef' + '='; 7204 0 obj <> endobj the 03 manuals were 4.11. So can I use my old 4.67 differential in the GR86? Thanks Rallispec! 5MT Turbo. 4th 1.000 Followers 0. The chart calculates vehicle speeds based on the gear ratio, final drive ratio, and tire size. I have an 03 Baja/ manual that needs a differential. A forum community dedicated to Subaru Impreza GC8 and RS owners and enthusiasts. http://www.vdi-wissensforum.de. Gear Ratios: 1st 3.545 2nd 1.947 3rd 1.366 4th .972 5th .780, Rev 3.416 Low Range 1.59 . Also, looked @ Car-Part.com and looks like 'maybe' the MT have 3.9 and AT's were 4.11, but again you'll need to verify the exact model. We use essential cookies to make our site work, store your orders and searches, and make for a better user-experience. addy16db0667784c44dca0ffa44e826e5128 = addy16db0667784c44dca0ffa44e826e5128 + 'jackstransmissions' + '.' + 'com'; Sgt.GatorAugust 15, 2014 in Transmissions. . As such, 2008+ WRX STi 6MT with the splash/scraper oil system is a byproduct of a cost-saving measure from Subaru, which may have determined an intricate lubrication system was not necessary for a showroom/production vehicle until it would be converted for motorsport use. Unless maybe he was running a different tire size to throw it off. 7241 0 obj <>stream VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Need MPG information on the 2021 Subaru Crosstrek? The codes are divided into 4 sections: 6-speed transmissions with 85mm shaft centerline spacing (such as STI), 6-speed transmissions with 75mm centerline spacing (such as newer Legacy manual transmissions), 5-speed transmissions from turbo models (such as WRX), and 5-speed transmissions from normally aspirated models. The Spec. All rights reserved. [citation needed] Since the 2014 model year, the conventional automatic transmissions in North American-spec . Newest [ January 23, 2023 ] . MY97 - MY99 Subaru Legacy Outback manual transmission with 2.5L engine: 1st - 3.545 2nd - 2.111 3rd - 1.448 All of Subaru's three speed automatic transmissions were made by Jatco. The instructional videos are intended only to provide guidance on how the calculators operate and are illustrative only. 2nd: 1.947 Transmission AY/TZ1A3ZC2AA. It's easy! VJ?]%L>,=6ptd|? Excluding the base model with a 5-speed manual transmission, the 2023 Subaru Impreza with the CVT started at . We can also build / upgrade your transmission in-house. Calculate gear ratios for Subaru transmissions. friends dont let friends put stupid GD scoops on their first gen car. Impreza JDM transmissions. %PDF-1.6 % Does that have a 4.11 or 3.9 rear end? 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. Can i put a 5speed in it without messing with the diff? Gotta read this later tonight, Anyone know what year sti 6 speed trans will fit on my 1998 legacy gt Sedan 2.5L DOHC its turbod. We can also build / upgrade your transmission in-house. Please Help lol, it should be a 4.44 bc its a phase II trans and all phase II autos are 4.44 so look 97-05 impreza. Like the Legacy/Outback, the WRX 6MT is of a split-case design similar to the older 5MT and does not share any internal commonality with the WRX STi 6MT. Find the model number sticker on the side of the trans, then find it in this chart (also in Sgt. You need JavaScript enabled to view it. JDM Subaru Impreza WRX STi Manual transmission ratio chart , specifications. Gear Ratios: 1st 3.636 2nd 2.375 (or 2.235) 3rd 1.761 (or 1.590) 4th 1.346 (or 1.137) 5th 0.971 (or 0.891) 6th 0.756 (or 0.707) Rev 3.545 (This only applies to either the 04-05 STi or the 06+ STi, not both, and not the Spec B.). ^ That is cool. Gears : PPG Gear Ratios -- Final Drive 4.100:1 : OEM Gear Ratios -- Final Drive 4. . However, the oil pump-equipped 6MT version is still listed as the transmission of choice in the STi Group N parts system, even for the 2015+ model year WRX STi, with the option of mounting a homologated transmission oil cooler. In 1994 the normal/FWD gearbox was dropped; one could only get a 4WD gearbox by then. . In 2006, The STi's 6MT underwent some changes that included making the center differential a limited slip unit and a slight lengthening of some gears. Sign up for a new account in our community. With TV1/VTD 4- and 5-speed automatic transmission: Full-time all wheel drive with 45/55 torque split front-to-rear under normal conditions.This torque split is static and is different than MPT only system in that the mechanical planetary center differential gear provides this ratio as calculated by the number of gear teeth.. "This file provides a means for referencing the original model(s) and gearbox/differential specifications based on the transmission code.