GM also produces a similar design with the smaller 8L45. SuperMatic 4L70-E Four-Speed Automatic Transmission - REMAN. Now confirmed working for the 8L90 too! You’ll also have access to a "Members Only Forum" in which you can directly ask me any technical questions not covered in the FAQs/Articles pages. "Here is the deal with the 6L80tuning site. A new transmission fluid exchange procedure and a new formula of Mobil 1 Synthetic LV ATF HP transmission fluid have been released to address torque converter clutch (TCC) shudder conditions on 8L45 and 8L90 8-speed automatic transmissions (RPOs M5N, M5T, M5U, M5X) in some 2015-2017 Escalade, Yukon; 2015-2018 Silverado, Sierra; 2015-2019 Corvette; 2016-2018 CT6; 2016-2019 ATS, … We do our best to bring you the best drivetrains available. Watch; 2015-UP GM CHEVY 8L90E TRANSMISSION 1-3-5-6-7 CLUTCH DRUM ALUMINUM 4 … One of the big so called tuners offered to help. CDT 8L90 bench rebuild. A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps optimize cruising efficiency. Modern EFI 8L90 Transmission Stock Rebuild quantity. $5,894.10. You can "key word" search the forums to find previously answered questions other members had. The GM 8L90 and 8L45 transmissions were developed to replace earlier 6-speed automatic transmissions in General Motors rear wheel drive vehicles. Thanks", "Steve was critical in helping me achieve my goal of the fastest CTS-V thru stock exhaust. It was the best $99 I ever spent. I'm sure he will be able to ensure we have no TCM issues and thus meet that mark"  DONE!!! Three clutches are applied to attain each gear except P/N. Buy It Now +$16.82 shipping. The manager told me that the change of fluid has fixed all of the vehicles at that dealership. I've got a 2015 6.2 Denali w/8L90.. This 8L90 transmission Basic Master Rebuild Kit contains the finest collection of parts available for this high powered unit. The 8L90/8L45 transmissions utilize five clutches to provide eight forward ratios and one reverse gear. 19419038 SHEET 8 of 36 Note: The DT-45096 flush and flow test tool is being utilized as a convenient method to pump the fluid into the bottom pan. Ship to * * Shipping Method. From stock to wild, low stall to high, you’ll find all the tips and tricks to getting your jewel running smooth. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Minor tuning tips will be available at no charge, however if we need to make significant changes there will be an additional tuning fee. Our basic master rebuild kits come with all the seals, gaskets, o-rings and other soft part components, a high quality... Help with Ordering Parts for Dodge Jeep A500/A518/A618 Transmissions? 6l80etuning.com is a website designed to answer all your technical questions involved with Impala tuning, Camaro Tuning, CTS-V Tuning, Corvette Tuning, G8 Tuning, Escalade Tuning, and Truck Tuning. I knew It was a measured TQ calculation problem I just did not know how to adjust or correct, nor even where to start. The car has really come to life! Superchips is thrilled to announce that the transmission tuning is now supported on the Flashpaq for 2015-2016 GMC and Chevrolet trucks equipped with the 8 speed transmission. You really don't want to waste money on inferior units or converters, I've been there. Filter, Solenoid & Pan Gasket Differences, Ford 5R55N Transmission Torque Specifications, Ford 4R100 Transmission Fluid Fill Capacity, Ford 4R100 Transmission Torque Specifications, 5R110W Transmission Diesel Pressure Test Chart, 5R110W Transmission Clutch Pack Clearances & Gear Ratios, 5R110W Transmission Torque Specifications, Ford E4OD Transmission Clutch Clearance Specifications, Ford E4OD Transmission Torque Specifications (1989-1998), 6T30 6T40 6T45 6T50 Torque Specifications, Dodge | Chrylser | Jeep Transmission Parts, A518 (46RH / 47RH) | A618 (46RE / 47RE) | 48RE, Ford | Lincoln | Mercury Transmission Parts, Foreign Model Automatic Transmission Parts, Audi | BMW | Land Rover | VW Transmission Parts, A24A A2YA A4RA B4RA B46A BDRA M24A M4RA S24A S4RA, BVGA | P34A | P35A | PVGA | PVLA Transmissions, Chrysler-Dodge-Jeep Performance Transmission Parts, Honda/Acura 3&4 Shaft V6 SuperTuff Snap Rings, New Process Gear (NPG) Transfer Case Parts, New Venture Gear (NVG) Transfer Case Parts, A518|A618 (46/47RE | 46/47RH) Master Rebuild Kits, Performance Stage-1 Super Master Rebuild Kits, 8L90 Transmission Basic Master Rebuild Kit. Recently we have seen concerns raised about the 8 speed transmissions. His troubleshooting skills to help solve some of my issues are incredible. I can determine via the logs if the tranny is burnt or vehicle is simply tuned improperly. I can't see where it would be any different than the rest of the GM transmissions. Quick View. I’ve ran a dozen different converters from 1800K-6000K stall and four different 6L80E transmission mods. Click on a part number to view part variations, pricing, and availability. Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or $5,535.00. After an internal inspection of your transmission we will notify you of any hard part damage that will carry an additional cost. As we modify our vehicles, we inevitably change the amount of airflow being delivered. Quick View. The 8L90E is an 8 speed automatic transmission developed by General Motors and introduced for the 2015 Model year. Since then I haven't felt any shudder granted I've driven just over 500 miles since the repair. Supermatic 8L90 Transmission Controller Kit IR 02AU19 PART No. Chevrolet Performance is committed to providing proven, innovative performance technology that is truly more than just power. Unlike other transmissions that have the apply piston deep down in the case, requiring 4-foot-long arms, the 8L90 apply piston is removed with the extension housing (Figure 13). Free local pickup. This overhaul kit contains all the seals, gaskets, o-rings and other soft parts required to rebuild your 8L90 automatic transmissions manufactured from 2015 and up. Now available - The new gear indicator for swap projects using the 6L80, 6L90 or 8L90 transmission! $3,785.09. Most, if not all late model vehicles rely on the MAF to be dialed in for ALL driving conditions. Many of our customers with the 8 speed have requested the firm and efficient shifting patterns that truck owners have enjoyed on the 6 speed applications and now we’ve got them covered. Even did a follow up and still nothing. 8L90 PERFORMANCE REBUILD. HP Series Billet Stator Torque Converter Converter Diameter - 258mm This is a modified factory converter with billet stator. Ensure that all seals are replaced. A suitable hand pump may also be used instead. Then again, for another $xxx, Waker will tune your tranny. Auto Transmission Tuning – 4L60, 4L65, 4L70, 6L80, 6L90, 8L90, 10L80, 10L90 – (shift scheduling – vehicle speed and RPM, shift firmness, shift completion time, torque reduction, adaptive tables, converter lock-up – optimization for various modes such as towing, sport mode, etc) SKU: 8L90-STCKRBLD Category: Drivetrain Brand: Modern EFI. His understanding and willingness to explain how the 6L80/90 works has been amazing. I go by the name "waker" or "wacker" on the forums and have thousands of satisfied customers with over TEN years of dedicated 6L/8L service. https://www.youtube.com/watch?v=gIJVNBnC-YA. The 8L90 is an eight-speed automatic transmission built by General Motors Company.It is designed for use in longitudinal engine applications either attached to the front-located engine with a standard bell housing or in the rear of the car adjacent to the differential (as in the Corvette). I have EFI and HP tunes on the site available for viewing and can tune with either one. Just want to give a big thanks to him and all of his hard work. I do tuning support for many major speed/rebuild shops and have thousands of hours loging/tuning/testing my own 2010 test Camaro. With proper tuning, a factory 8L90 can survive up to around 800-900whp. Buy It Now. I downloaded the tuned 2010 tranny setup as a baseline, followed their instructions and my car has NEVER driven this well, ever. ", "You did it! Sent them my tune and nothing. He's made my car shift like stock under normal conditions while still producing ~750hp at the flywheel and running low 10's in a full weight sedan. I'll be the only one in a 500 mile radius! Add to cart. Quick View. $2,995* *$2,995 does not include any Hard Part damage, Torque Converter or TCM/ECM tuning. We will leave no stone unturned, we WILL find the problem/solution. SKU: 24-07-05. SuperMatic™ 8L90-E Eight-Speed Automatic – LT5. For a small fee of $99.99 you will have a FULL YEAR of access to pages full of frequently asked questions, tuning articles, tune/config files, tutorials and images plus 2.23 to current VCM suite downloads! You will need to ship your transmission to us for the rebuild. GM 258mm HP Series 8L90 Torque Converter. For me, I think that if you are modding your car, you need to have this software, as a must, so you can adjust the tune, as necessary. I can determine via logs if this is necessary and walk you through the process. This allows you to easily see what gear you're in when you're tap shifting with our tap shift switch box, or floor mounted tap shifter! The piston is held in position by an aluminum retainer and has a coil type return spring in between. Every build includes full inspection, cleaning of the transmission and valve-body. The All-New 8L90 Transmission: Corvette's Lighter, Faster, Stronger Auto Eight Speeds Propel The Stingray To An 11.9-second 1/4-mile and 29mpg Highway. Great guy and knows how to tune this tranny. However advanced wear is typically noticed in power levels above 700-800whp. The TCM is a standalone Delphi unit which is shared with several other GM applications such as the 9T, and 10L transmissions. $31.22. The 8L90 was introduced in 2014 in vehicles like the Chevrolet Silverado / GMC Sierra pickups, the GMC Denali, the Corvette and Camaro, and several Cadillac applications. Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. We have noticed that it is mostly tuning related. I can also remote tune the engine whether FI or NA. ​". SuperMatic™ 8L90-E Eight-Speed Automatic – LT4. His customer service is top notch also. Description Additional information Vehicle Fitment Description. All 8L90 questions answered by experts Flares, shifts too hard, hits the limiter, etc. It is a hydraulic (hydramatic) design. The use of very aggressive torque management on shifts remains the primary key to helping a fully stock 8L90 … Sure helps with the "my​steries" of the 6l80e. 8L90 (Parts Not Pictured , kits, manuals, etc) Click on a section to see a detailed view. We offer OEM quality and high performance kits for GM's 8L90 transmission from the industry's leading manufactures like Raybestos Powertrain, Alto Products Corp and Precision International. I just want you and your team to know I greatly appreciate your efforts and can confidently say there isn't a 6/8 speed I can't tame now. Modern EFI 8L90 Transmission Stock Rebuild $ 2,550.00. Brand New. That's when I got a PM from a CTSV forum member hooking me up with (wacker). $1,800.00. LT1 / 8L90 8 Speed Automatic Transmission Installation Kit Specifications (Package Part Number 24283284) Thank you for choosing Chevrolet Performance as your high performance source. Basic 6L80e/6L90e tuning guide. That is a relative bargain. https://www.youtube.com/watch?v=gIJVNBnC-YA. I took it to the dealership and they flushed the transmission oil and replaced it with a different type. Watch; MOBIL 1 HP SYNTHETIC LV ATF TRANSMISSION FLUID 8L90 8L90E CAMARO SILVERADO GMC. This transmission and transmission … With these applications, when making a gear change a clutch is typically going to be released while another … Specializing in vehicles equipped with the 6L80/90 transmission, the 8L90 transmission, and the 6T70 transmission. These transmissions have a common defect. The … The piston is a tall design and has a locating tab that fits into the extension housing. I'll also provide you with my recommendations on who/how to build the trans and what converter is best suited for your project. equipped with one of two models of eight-speed automatic transmissions, both manufactured by GM: the GM 8L90 or the 8L45.1 2. It is currently phasing out the 6L80/6L90 transmissions (although it hasn’t done its all the way yet. Sep 21 2017, 10:06pm. 4L65E SuperMatic Transmission - REMAN. Now, if you can get someone who has similar experience or capabilities mentored by Wacker/Waker, then that would be worth it. The manager said that the old fluid allowed the torque converter to slip causing the shutter. Copyright © 6L80E Tuning - All Rights Reserved - Warning! Quick View . "I joined this site for one car, usually I'm THE BEST in town for 6/8 speed tuning with stellar results and 100% satisfaction......Until I tuned a high HP Nitrous car, I did everything I could think of. Re: Trans Service 8L90 8sp. First time using your information had me come back after the test drive proclaiming that this was the best 6L80 that I had ever driven. Use … Well worth the money for the site. The toolset is invaluable. Night and day difference. This is a VERY complicated tranny, if not tuned correctly it will have a very limited life under any power over stock. Save $10 off $299, $20 off $699, $30 off $899, $100 off $1,899 Orders - Promo Code: HIGHGEAR exclusions apply. $3,757.25. Tremendous, thanks", "I was having a 2-3 shift problem that I could not fix. I want to have the trans serviced, filter & fluid change... My local dealerships are scared of them, One shop has never done one and the other wouldn't say if they have or not. In many cases, the MAF needs re-scaled to correct delivered torque values. We have never experienced any ourselves. Winter, bad gas, low octane, age of the car, etc will always require some tweaks. Get 8L90 transmission rebuilding tips, 8L90 troubleshooting help, 8L90 technical service bulletins, 8L90 diagnostics and 8L90 technical information from TRNW. In this video I'm just going over some of the finer points of the HP tuners ZF 8-speed automatic tuning parameters. I just marked it up to modding and driving a non-stock car. SuperMatic™ 4L70-E Four-Speed Automatic Transmission For Four-Wheel Drive - REMAN. Name Price No shipping options. Specializing in vehicles equipped with the 6L80/90 transmission, the 8L90 transmission, and the 6T70 transmission. I've been in your shoes, let me give you the tools and save you some future pain/money! Chevrolet Performance SuperMatic 8L90-E Eight-Speed Automatic Transmission. GM has also changed the fluid type and that has seemed to rectify the issues.