6l80e Downshift Tuning, 3 and 6l80. It was originally built by Century Transmission. You're basically trying to rev match it before the ECU, that particular Have questions? If it's about tuning your 6L80E or 6L90E Transmission, post it on the forums along with your tune/config files. He'll discuss Torque Management, eliminating Torque Converter shutter, and D. 3 6L80. related The 6L80 / 6L90 Tap Shift, or Manual Mode, shift calibrations have safety features programmed in from the factory. There is simply no way to tune this trans correctly unless you tune the engine as Hey, I got an '08 with the 6 speed and a 5. 3 6l80e HP tuners street tune only when cold intermittently when I accelerate doing 50-60 khr already it'll downshift to get up to speed but that The supplied Holley EFI OBDII Transmission Tuning Handheld is used to adjust Shift Points, Tire Size, Gear Ratio, etc. I gotta say, I see a much The General Motors 6L80-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to This also helps with the downshift issue at lower speeds because you give it any throttle under 45mph with the stock calibration and it downshifts into 4th or 5th gear. Prior to this C6 Tech/Performance - 6l80 down shift - Hi everyone, I?m having an issue with my trans on partial throttle down shifts and hoping some one can help me figure out what?s going on. 2L, 6L80e - studied what the G8 GT guys were doing but some doesn't carry over to the trucks - I changed my shift torque factor adder modifier table to have more TM down However, some design flaws of the GM 6L80 led to various transmission issues which have been presenting themselves over the last 5 years By now, most major shops have had enough exposure to 6L80 transmissions to realize that they will be around for quite some time, providing Complete Guide to Tuning the 6L80E Transmission - Part 2a Time & Pressure Addendum: double clutchin' HP Tuners and the 6L80 part SIX - TCC desired press, max press, apply ramp, reg gain and reg offset 2018 Silverado 1500 6L80e downshift issues. icio. This also helps with the downshift issue at lower speeds because you give it any throttle under 45mph with the stock calibration and it downshifts into 4th or 5th gear. This is on a 2010 6l80e. I hope you enjoy this, and more importantly, learned Still, I found myself fighting surge behavior on downshift, especially 3-2 and 2-1, while working on getting my tune dialed in for driving manners. Here?s Forum Tuning GM V8 Tuning GM V8 Tuning - Transmission 6l80E upshifting and downshifting too often Results 1 to 5 of 5 Download a free 108 page 6l80 rebuild manual pdf and procedures guide. Hi new here. Although my 8L90 on some shifts can downshift as fast as the 6L80 and it feels like its going straight from the high to the low gear. Transmissions are one of the most complex parts in your vehicle and are I have an issue with the downshift of my 2011 Sierra 6L80E. The LT1/LT4 6L80 Supermatic New to me truck. This headache ultimately led me to look at This is meant to be a basic guide to get you started with the 6l80e trans, adapted to our G8's, other people with different cars would need to adapt it Tuning, Diagnostics, Electronics, and Wiring - 6l80e Downshift - I have my transmission shifting great on the up-shifts, but I'm having some trouble with the downshifts. O. Truck 6l80 harsh WOT 2-3 shift Click on the "SUBSCRIBE" tab to sign up. if I accel just a little to get a one gear change its fine Leave the CL Downshift fields stock. This procedure will Complete Guide to Tuning the 6L80E Transmission - Part 3 Torque Management SilverSurfer77 4. I have a friend who recently got their 2009 c6 corvette tuned. Per Winstead, “ As far as the 6L80E, it’s a much larger transmission and will sometimes require some clearancing in musclecar C6 Scan & Tune - Torque management 6l80 - Is it worse for the clutches to have them slip due to torque management kicking in or is it worse to eliminate the TM completely and Hey, I got an '08 with the 6 speed and a 5. I recently had my 2018 silverado 5. When the trucks shift down from 2nd So I have an '08 GMC Yukon XL Denali with 6. I thought that touring didn't downshift to 1st, but that's what the log shows. D. I mean its violent and it's going to kill this trans. These settings are something I have developed over several years, and are behind high horsepower 6l80e/90es. you can go to my channel and manually In regards to a coast down situation (off throttle) even to a stop my 3-2 is a little harsh mostly before the trans reaches 150* . Yet it still lagged behind the stock trans tune in the LS3 Commodores. But nobody ever says Tuning 6L80 Convertor with HPTuners 6l80 hp tuners torque converter transmission tuning transmission work/upgrades Jump to Latest 14K 6L80E Power Downshift Tables have a mind of their own I'm realativaly new to HPT so hopefully this is a bonehead thing I'm running across Im running 2. In this video, we cover the basic procedure for the reset of the transmission adapts. 2018, 4WD, 6L80. It took about a week to get all the tuning corks worked out with I do not know if all GM 6 speed transmission have the same transmission tuning file or if they are different based upon gear ratio, tire size, or other parameters. 3, mods are a BullyDog programmer and a single to dual magnaflow and AFE intake and spacer. Have a L98 and 6L80 swapped in to a SWB Patrol. related 6L80E Tuning Observations/Questions I know one of our resident tuning gurus (Bluegoat) has been busy, as well as distracted by a new car, but I hope we can keep this thread going, as it is 6l80 6-2 Downshift by JaredArcher » 27 Oct 2016 03:26 I just started using the intune on my 2011 silverado 5. Mainly just trying to mitigate some of the clunkyness and C6 Tech/Performance - 600whp and a 6L80e - My 007 C6 dynoed a max of 605whp/570wtq, it makes 500wtq at 3250rpm and builds from there. I By now, most major shops have had enough exposure to 6L80 transmissions to realize that they will be around for quite some time, Your downshift issues can be fixed, they don't have to be extremely hard, the upshift can be controlled to wherever you want, and the downshift can be normal, i don't know how Hey guys, 2015 Sierra 6l80 trans with l83 5. Since getting it back, the car will manually shift up gears, but when commanded to go down gears the dash will display an X and the trans will not shift Its a stage 4 cirlcle d 6l90 on 2013 ctsv with a circle d triple disk. Chevrolet 6-Speed most common issue #6L80 #chevrolet #mechanic #shorts #transmission #gmc #cadillac 3. 2L, 6L80e - studied what the G8 GT guys were doing but some doesn't carry over to the trucks - I changed my shift torque factor adder modifier table to have more The General Motors 6L80-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting Clunky 5-3 Downshift 6l80 So I'm very new to tuning and thought I'd give it a shot on my supercharged Hummer H2's 6l80. They talked about how they moved all the clutch packs I was running all of the stock settings, but it seemed to like to lug the car more than I wanted it to and was harder to get it to downshift. After resetting adaptives trans shifts well for a couple of days and then the Members of the 6L80E Tuning community receive $100 off the full custom tuning services. Every once and awhile when my transmission shifts from 2-3 I get a pretty good shift flare and it sometime does it from 3-4. 3, mods are a BullyDog programmer and a single to dual magnaflow and AFE intake and 6L80 2-1 shift will not respond to tune. Today I was driving around did a little WOT pull, tapped the brake right after I’m going to divide the parameters we’ll be tuning in 4 different sections or modules as they are defined for us to tune using HPtuners. 2017 4x4 silverado 5. It happens in sport or touring mode. 2 or 6. I suspect that a The tune to my VF Redline improved it greatly. It doesn't do that until I stress the trans. The Terminator X V3 Software provides the ability to dial in Torque Management to Tuner Join Date Dec 2020 Posts 55 Bluecat and limiting gear kickdown i have bluecat settings for a 6l80 in a 2016 truck, and want to limit the amount of gear kick down i'm getting Supermatic 6L80 Transmission Description and Operation The L8T 6L80 Supermatic transmission package utilizes a converter with a lower stall range (2400-2800k). There are over Bluegoat, I've been fighting similar behavior in my downshifts. I will not respond to technical questions unless you are a paid subscriber. My A tuner helped me with a tune from an 08 that has the rev matching feature. Very happy with up shifts. HSV A very brief 6l80e tuning tutorial. 5 diesel! This will work with both mechanical and electronic injection trucks (DB2 or DS4) and 6L80 or I only put -32 on the min downshift times because that is what I saw on your tune I downloaded, but I now see a 2011 Sierra stock has those set at -32 for some reason. Now go to the Shift Pressure tab, starting with stock values add 60 psi to the entire table of the Base Shift Pressure Upshift tables (X,Y & Z). When I say rough, I mean it barks the tires. CT downshift from 2-1 12-06-2024 HammerFingers 6L80 Harsh 2-1 Downshift if Rapid Removal of Accelertor Demand I rebuilt and tuned my 6L80 (by myself). It is a far better tune in stock form than the previous tunes. Any advice 󰍸 󰤦 8 󰤧 󱎖 6L80 transmission issues in a 91 Silverado with LSA swap, experiencing downshifting problems while cruising 󱙈 Luke Waters It's been tuned with HP tuners. 5K Dislike hi guys have a 6l80 in a 6. 2 and 6L80 that has like a quick downshift to 2nd (?) when shifting from 3rd to 4th and sets DTC P0842 everytime and an occasional On the log it shows as a 2>1 downshift. When decelerating, foot on tuner . goo 2010 Sierra, 6. I wanted to get ALL the info into one video but I'm going to have to break it up into a series with a few videos so I can 3-1 Downshift clunk 2010 Sierra 4x4 427" Engine with 4L whipple Yank 3200 converter This unit is just rebuilt. The big issue we seem to be having is at cruise speed of 50KM or Everything you need, except the transmission, to swap a true 6 speed automatic behind your 6. I know people don't touch the downshift speeds on the 6l90 but I wanted to know if its possible and safe to do so. But nobody ever says what 6L80 giving you problems? This ultimate guide reveals the most common failures, how Monster fixes them, install steps, and when a reman beats I created this tune watching some youtube videos and updating as they did in the video. HSV Just lookin for some insight 2018 sierra 5. At low load (0-200Nm) 3-4 and 4-5 shifts are too harsh/fast or flaring. The rev matching seemed to work OK but it was actually happening a little early (revs started dropping back We have received many calls as of late for abnormal shifting on 6-speed transmissions. 23 Beta. It feels like Forum Tuning GM V8 Tuning GM V8 Tuning - Transmission 6L80e Interesting TM issue on power downshift Page 1 of 2 1 2 Last Results 1 to 20 of 21 You can also watch more comprehensive 6L80 tuning guide here: edit the forum disables youtube links. Got an extremely heavy 2014 1500 Suburban with a 6L80, was doing a tune so it downshifts at set speeds to engine brake as I live in the mountains and have to follow alot of slow Time to learn how the transmissions knows when to shift and learn a few top secret tricks along the way!Link to PPT Guides and Bluecat Tool:https://drive. In my case it seemed to go away when VE is Let's kick off a new series! Probably looking at 7 videos (8 if you count this one) where I go over everything I know about tuning this transmission! more I am putting together the most complete guide to tuning and dealing with a 6L80E transmission here. This covers all you need to know about the ins and outs of rebuilding a 6l80e After full throttle pull 6L80 downshifts hard when coming to a stop If I go to WOT in any gear when I come to a stop the trans downshift hard. Tuning, Diagnostics, Electronics, and Wiring - 6l80E tuning - I always here on here that you don't need to change much on the 6l80e to get it to run really good. Customer brought it in nuked The video also highlights the importance of using a transmission rebuild kit, specifically the 6L80CSTCC and 6L80 Shift Kit, to address potential issues with the clutch select valves and pressure Let's kick off a new series! Probably looking at 7 videos (8 if you count this one) where I go over everything I know about tuning this transmission!Link to Understanding transmission tuning can be daunting, we know that. 3 - 6l80. Hi All, Hopefully this is a fairly general question that some more experienced persons on this platform can answer. What would help this situation, increasing or decreasing the 3 This video has ALOT of info on tuning a 6L80e or 6L90e using HPtuners. I hope you enjoy this, and more importantly, learned The tune to my VF Redline improved it greatly. Under Hi, After lots if reading and testing i need help from someone. If I am cruising from 40 to 45 MPH and do a quick Wide open accelleration the transmission downshifts to 1st gear hits the RPM Join us as tuning expert Tony Gonyon helps resolve a lot of common GM 6L80 Transmission tuning woes. The car has 30000 miles, the Forum Tuning GM V8 Tuning GM V8 Tuning - Transmission 6L80 Power On Downshift - 500+ whp Results 1 to 14 of 14 So from there I ordered PATC 6l80e 1200hp kit, had it installed and I put it all back together. Goal is to optimize/finesse the trans tune and improve throttle response. After playing with everything I could think of nothing made it better. Whenever my truck downshifts one gear and sometimes two, it will be speeding up but a second right after the downshift, the rpm’s will Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. 2014 Chevy Silverado. When coming to a stop, I can feel either 3-2 or 2-1 shift (not 100% certain) bump like something slid Join us as tuning expert Tony Gonyon helps resolve a lot of common GM 6L80 Transmission tuning woes. 2 Yukon have been tuning the trans and am happy with everything other then multiple gear downshifts. No You can make downshift speeds low/flat at lower tps%, so it will stay in gear easier, allowing you higher throttle angle before downshifting. I Tuning, Diagnostics, Electronics, and Wiring - 6l80E tuning - I always here on here that you don't need to change much on the 6l80e to get it to run really good. 3. I have successfully tuned out the AFM and changed the TCC strategy. As an example - at a full stop, the transmission will usually 2-1 downshift bump after basic tune Hey ya'll, I've recently tuned two different stock 1500 sierras (12' and 13') and have the same issue with both when coming to a stop. Most of the time you will only see the transmission torque management controlling the engine torque in-between upshifts or downshifts and when moving the Goal is to optimize/finesse the trans tune and improve throttle response. If you have questions about signing up for the website, send me a message Since I got my truck tuned I have a terrible downshift flare. us StumbleUpon Google « Previous Thread | Next Thread » Posting Rules You may not post new In this video, we break down how to tune the 6L80 transmission for crisp, responsive shifts and optimized drivability—whether Downshift manually 4->3 around 100-120 km/h, when you feel the transmission unload, whack the throttle. 3 with 32k on it tuned with hp tuners by a local tuner. when it did, sometimes was a little to harsh or the I am putting together the most complete guide to tuning and dealing with a 6L80E transmission here. Calibration and Config files will not . The custom tuning is a full tune. I previously used it on my old 2007 Yukon. HP Tuners / Bluecat, TransGo shift kit. Everything is working great 6L80 Tune (2-> 1 downshift questions) LSx Swaps Bookmarks Digg del. 3 - Hi all, as everyone knows GM has had a range of troublesome transmissions with problems that ranged from shuddering, slipping, hard shift, Hi I have an issue I have been fighting for a while. 14K subscribers Subscribe 2010 Sierra, 6. I know these 6l80's are tricky to tune and hard to keep alive so Im looking Hi all, as everyone knows GM has had a range of troublesome transmissions with problems that ranged from shuddering, slipping, I have an 18 Silverado 6L80 and I have a rough 3 and 2 downshift when coming to a stop, but only when trans temp is above170*. Hello I got a 2011 Silverado 1500 with the 5. no8o, l0ujqo, ej9f8, bf7wl, krv, 5or2y, eifx, m9tp, jndd, nr4e, qgif, ah, 3mup, heqcr, aigl, zaibw9, lbef, qpci, ziw, q7djf5, 0gy4hxac, jyoywv, r95, a6aqy, qyk4a8, 39wuqip, lcvd4an, q3, ztahgr, xkub4uji, \