6l80 desired shift time. Thread: 6l80 6-4 downshift flare.
6l80 desired shift time I really only adjust the shift speed, the shift pressure by 5-10% maybe and the rest is in the on-coming pressure presets to get my desired shift feel. 20 is a quick up shift for example. 3L 4x4 32K miles. Torque - Performance: Performance Mode desired shift time (secs) Desired Shift Time - Performance: Performance(Tow/Haul) Mode desired shift time; Desired Shift Time Adder- Performance: Performance Mode(Tow/Haul) desired shift time adder; TUTD. The case can flex, the clutch wears unevenly, then the transmission gets ruined by the clutch material pumped through it. Also do you recommend changing the row labels to match actual outputs of crank torque? The final transition time, should it be set to the . I highlighted the areas that has the info I need for the shift speeds: With my car weight and RWHP, I chose a shift lead time of 3. shifts, when do these "skip gear" shifts occur? Steve 2010 Camaro 6L80 desired shift times. and I'm not finding the Base Upshift-Normal table in the Auto Shift Properties/Desired Shift Time area of my hpt software. 49 @ 118 1. We simply need more tables to control the A6 The next subject is Shift Completion Time or Shift Timing. If you open the one of the tables it'll show shift times from . The shift time input torque adders Desired output torque Something a see a lot of guys forget is the discrete shift torque neutralization What I have found is that on this 6l80's a decrease in shift timing will need an increase of line pressure to make it feel right. 3 and finish the shift)? Well, I just finished using that BlueCat to determine the shift speeds to apply to the tune . i think the issue with the slow shifts, especially when forced induction is concerned is the e38 and t43 talking to each other cant seem to work out the required shift time delay based on the torque figures being generated. It did that this morning, and this evening as we were leaving a job site. 0 in case there is a missing component that we cannot see? HP Tuners GM Gen III part 26 walks you through how to program an automatic transmission upshifting, downshifting and shift times so we can optimize both perf To make it shift faster bring the Desired Shift Time Pattern X Base table down to . Desired Shift Time Min Power Downshift and Downshift - Normal 3. My last attempt was 5000 rpms from 1-2 and 2-3 with log attached with part and full throttle shifts 139107 2015 6l80. 2XXish and gets quicker as the torque increases. 000 " shift times and “The trans mostly uses a inertia torque based "profile" to control the shift, ie. 4xx. You wouldn't advise OP to start with 6L80E OEM pressures and shift times (since that is what his trans is), and 6L90E OEM torque converter pressures (since that is what his converter is)? A standard I uploaded my latest tune, and the shift times from 2nd to 3rd are double even triple what they should be in areas. HP Tuners 6L80 Dyno Experiment Presentations. Desired output torque factor. These tables include the Base Desired Shift Time, the Shift Time Inertia Adder and the Shift Time Torque Adder. Consider the torque adder The problem is. This time for the 2-3 is only 1. Thanks 01-13-2013 #2. 3/6L80e, not as slow but still heavy. 000 ? 2010 Camaro 6L80 desired shift times Here is some info I have collected over the years regarding the 6l80e. 12-27-2021 #22. And a little reduction of trans TQ mgmt. 3 my novice understanding is lacking on the difference between torque adder and desired output torque factor. 1792 + whatever is in the torque adder table, making it a . JPG. between having to pull so much power at the shifts, the long shift times, the converter control issues, the line pressure issues and now what appears to be a loss of pressure and slip off the line i Looks like the shift time is about 0. b18cls1. Fixing issues, getting things right, so I could get it dialed in on the dyno without problems. I kept desired shift time at 0, put everything to . Then back up to frame 3957 where commanded 2-3 occurs. . This is especially true for the 3-4 shift at the track, which just falls flat on its face above 6000. 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 low and very little at WOT. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) I'm looking at buying a brand new 6L80E and putting it behind an LS1 with a PCS Interface. 5, 1, 2 and 8 as well, no change) Regulator offset= 90psi (have tried 40, 60,and With the Shift torque factor adder modifier table, I have been messing around and set it to -. If you click on the 1-2 shift you will see how quick its calling for a desired shift time based off engine torque and rpm. png (142. 525 on the low rpm side and tappers off to -. Set the specific shift sequence(s) you want to implement TM control by placing a 1. Lots of flare and have been adding pressures to the shift but not seeing good results. 8s. 56 in the rear I chocked it up to the fact with the short gears it was hitting it faster than things could react. 4-5-6 & 2-6 clutch drop out with a partial hand away to the 1-2-3-4 clutch and full hand away to the 3-5 clutch. Click on the "SUBSCRIBE" tab to sign up. The 2010 1/2s and prior have desired shift times. 5000+ time no matter what. _____ _____ _____ "The way I firm up these trans is to add 60 psi shift pressure to the entire X & Y base shift pressure tables. ) Is it safe to drop these to 0? Shifts feel a little sloppy right now, would like to firm them up but I don't want to break anything. or are these Desired Shift Time parameters somewhere else in the trans tune? The gain value is what I take to be a close estimate of the boost ratio of the valve from signal pressure to line pressure. That value can be used towards the full custom tuning price I have done tuning on both 6l80e and 90e transmissions and have a few questions. Change all 3 rows, to the 0,1,2 for the 1-2, 2-3 and 3-4 shifts. Can I change my TCM OS to one that does? 04-10-2020 #28. I have left line pressure and shift time data stock with good results for part throttle shifting with my changes to the shift mph and rpm based on a 6Lxxe spreadsheet I downloaded at some point a long time ago. Screenshot (80). 3 or . But where can I find out the different settings within the different shift pattern types in the drop down menus. April 21st, 2009, 12:35 PM. com only cost 50 to join and Wacker/Steve will tell you exactly what you want to know, the guy is good. Hi all, I've done a few 4 and 6 speed auto tunes for gas cars, but this is my first time venturing into an Allison. If you calculate the time you get 2. Not a trans expert. If you go to the shift timing tab you can see how these modify the initial shift time and adders as the shift completes. View Profile View Forum Posts Private Message Tuner I was able to change my "Desired Shift Time for Base Up-shifts" in my 2007 Sierra Denali (6L80). Shift timing- bring shifts in trucks close to . 1, then subtract 0. View Profile View Forum View Full Version : 6l80e shift time completion. Desired TCC Line Pressure is a sum of TCC Base Pressure and TCC Adaptive Pressure. 3 commanded shift time (Torque Adder chart), some of the peak RPM/Torque Factor numbers in my stock Desired Output chart are -0. the TCM controls the timing between the releasing component If adaptive shift is OFF the TCM won’t know and/or care that it’s not achieving the desired shift time and will continue getting it wrong. I wasn't sure if that table was adding shift time or if it was an adder or modifer. 0000, Trans TM 1 to 0. Not too quick and not too 2018 Silverado 5. Set it to something reasonable. View Profile View Forum Posts Slip time / Shift time would be extremely 6L80 trans BTR Stage 1 N/A cam Circle D 278mm 3000 stall HP converter CAI and axle back exhaust TCC disabled in 1-4 TCC desired slip = 0 in all tables TCC ramp table = all cells increased +90psi Max Pressure = 138. I want it to shift like a Corvette 6L80 does. The truck was professionally tuned on a dyno. View Profile View Forum Posts Private Message Tuner Join Date Oct 2020. Look in the Transition Time and Desired Output Torque Factor sections. 2010 Bumblebee. Thanks in advance! 6L80 Camaro SS Shift Torque Factor Question Hey guys! Ah I gotcha, if I post up my tune can you look at my trans side if you have the time? There are changes to the shift patterns, tables, etc. You can trick it into shifting quick with pressure but as it learns. That value can be used towards the full custom tuning price. 6l80etuning. Thread Tools. Home » Forums » 6L80E / 6L90E Transmission Tuning. The description of the Initial and the Final state that it is the percentage of the total shift time spent in each of these segments, with the Initial ending at max turbine accel, and the Final starting at max turbine accel and ending at final turbine accel. 5 (have tried 0, 0. 9998 3) Ran through Blue Cats GUI 4) increased shift pressure 10% 5) Copied ramp in pressures from a Diablo firm shift tune from a tahoe The time now is I set my desired shift times to 0. What's the benefit to having the torque converter slip while cruising down the highway? I raised the TCC desired slip tables on my 17 6L80 and that seems to have cured my shudder/ surging If the actual shift time is longer than the calibrated desired shift time, a soft feel or slow engagement, then the PCM decreases current to the pressure control (PC) solenoid in order to increase line pressure for the next, same, upshift under identical conditions. 2. 512hp/464tq Hey guys, first post here, background info 2010 Silverado with 6. Generally 5->6 gets left alone as that shift is locked out at WOT Shift Timing -> Upshift -> Transition Time Copy special to normal for both initial and final Shift Timing -> Upshift -> Desired Output Torque Factor Copy special to normal I have left line pressure and shift time data stock with good results for part throttle shifting with my changes to the shift mph and rpm based on a 6Lxxe spreadsheet I downloaded at some point a long time ago. I will make one calibration change for an additional $100 per change. 2009 CTS-V Files; TCC issuse after converter install on G8; 6L80 TM removal? TCM dead after flash; The 6L80/6L90/6T75 transmissions operate on a clutch-to-clutch basis i. e. My son wants me to tune his 2016 Yukon Denali, so I'd be interested too ! 03-01-2023 #3. 90% of the time they are still mapped to Cruise and Performance modes. Is that table introducing a time adder that is softening the shift? I was going to zero it and try it again but figured I would ask first. Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80 ~Greg I will make one calibration change for an additional $100 per change. I've got a 6L80E in an 08 G8 GT, and on high speed WOT runs going from 3-4th it takes forever to make the Gear change. As the apply components within the transmission wear or change over time, shift time (the time Is the 'Time of Latest Shift' scanner PID telling us the actual shift time, the desired shift time, or something else? Sometimes it doesn't seem to match the actual or the desired time, and gives some funny values. There are desired shift times and a couple adder multiplyer tables. Also used bearcat to make shift rpm adjustments, but I don't think that speaks to the TCC performance that I am My response would be if you spent 10 minutes a day over the last 4 years it would have been done a long time ago. This netted me bumping 1-2, 2-3, 3-4 shift pressures by 5%, running the blue cat calculator at a 4 C6 Tech/Performance - Drag Racing 6l80 - Guys looking to connect with someone that drag races with a 6l80 trans. lowered desired shift times (up and down) to 2. shift times, inertia tables and closed throttle downshift. Please navigate to Transmission > Shift Timing > Upshift > Locate the two Torque Adder groups. ) until it is where you want it HPT just makes available the table data - they don't define the control logic for the A6 (that's GM's job) *** just because something is visible doesn't mean it is actually used *** Hey gang, Haven't been around in awhile as I've been working on other aspects, like the 4-link suspension, the last few months. 230 base shift time, would make the desired shift times too quick. 15s and blend out. 1 seconds (complete the shift in 0. Thanks. It may just be time to have it taken Here's some changes compared to the 2018 silverado tune. 6L80 1-2 shift shudder help please I did a lot of reading before I attempted tuning my 6L. In the tuning calibrations under DESIRED SHIFT TIME there are parameters for 1->3, 1->4, 2->4, 2->6. I 00 out my desired shift time and use the tq adders to provide the time I want. "Desired shift time Min power downshift" set to 0. 4L60E Information Thread | 4L80E Information Thread (Coming soon Have had about half a year of experience tuning gen 5 trucks and SUV's, my truck is always the test subject. my 1-2,3-4,4-5 shifts are perfect, feel fine and shifts just right. Vince has re-wrote the code for all us guys wanting WOT lockup on our triple disk, or even the guy just wanting the extra MPG gained from zero slip. There is even a switch [TCM] 5669 - Use Regulator Gain/Offset defined for some OSes. 6. 9000. 05-13-2011 The stock parameters for a 3/4 ton Silverado with the 4L80E tranny are . It's pretty simply really, you just add the times applicable in each table and you get Heres a small log of what it does when making the 5-6 shift. October 20th, 2011 #38. 5 ups I have a 2006 Trailblazer SS with E40 - T42 controllers. June 27th, 2009, 10:45 AM. My last attempt was 5000 rpms from 1-2 and 2-3 with 6L80 is good, torque converter not. I've just started tuning the shift points in my 2010 Silverado LTZ w/6L80E. If it don't, PM me your email and I'll send it to you to post. 075 seconds. 22s for 2-3, and 0. 4501s. For some background information, I always reduce the shift times to around . The shift timing, upshift torque adder normal tables are where you need to change the numbers to help make it shift quicker. 4s down to 0. com Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs Updating to 15+ slip maps, still commands 20 slip most of the time, but there are dips when the torque is higher, desired slip gets down near 0 and tcc pressure does go up there. That section is not available in my 2010 Sierra SLT (6L80). The car makes 750whp and 850wtq. I think it adds the "Desired" time to the base shift time to get the final time. Not bashing efilive at all, sorry if it seems like it. If that is the case, and say I have a 0. Your tune is much quicker at . 9s) in actual shift time for the 1-2 shift. 20, it could "theoretically" do the shift in 0. 000 to 0. Desired Shift Time. Tuner at PCMofnc. View Profile View I've been looking over the torque converter clutch tables for the 6L80 on my factory tune and noticed that it is setup to slip pretty much all the time. I just purchased a 2016 Silverado 5. Next time you log a wide open shift with PCS1 recording, look at the shift pressure table and use the gain + offset to see how close it is I presume PCS A is the TCC solenoid. 3000 at higher ft/lbs, that is plenty quick for a heavy truck. 12s for 1-2, 0. The only other table in this tab is the torque I set my desired shift times to 0. TransGo Robert. its very weird. 129 which if i deduct from a . keep doing (4. The 6l80 tends to ignore the desired wot shift rpm. Prior to visiting the dyno I set my shifts to ~6400rpm, which is proving to be too high. Also be careful with how much shift pressure you add, too much will just put you worse off. Jump to page: and set all of the shift properties desired shift times to 0 this will help a lot What mods have you installed between the time when it used to shift properly and now? In other wards, did you change your gears, install a power adder, or mess with tranny tables and trigger To start off, this is has to do with my experience with the 4l60e that has 180,000 miles in my 1500 4x4 Z71. 350sec and but the pressures up by around 25% allong with disabling upshift torque management, disabling discreet torque, and leaving all other TM enabled. Shouldn't these add up to 1. 0 in the Shift Torque Factor Adder Table. 3L, rebuilt 6L80 with new Precision HD (billet case) torque converter. carneb. I just give it more pressure and the adapts do there thing to command the solenoids to achieve the desired shift time at the inertia Start with frame 4124 where commanded 3-4 shift occurs. I wouldn't go faster than . 45 rear gears, 275/40/17 mickey thompson et street ss, zl1 converter, stock 6l80e. For the high torque high rpm cells from 1 to 5 gears set the time to 0. 91 Rear With the Shift torque factor adder modifier table, I have been messing around and set it to -. I also slightly slower the shift torque factor under TM from 1. 3 with a fresh 6l80e and ZL1 converter. Thanks in advance! After that, I adjusted the shift timing back to what they were when I purchased my CPO vehicle, but with a little quicker times in a small area. Google “6L80 TCM connector” and “OBD2 DLC connector,” and you will find connectors with pigtails for less than $75 total. 4 to . Anyone running the 6L80E transmission now has the availability of full lockup at any speed/psi (tranny integrity limiting). I've had the truck for years and always gotten a cold temp 3-4 shift flare in the past, decided to dive into HP tuners recently and learned this flare happens when trans temp is below the adaptive trans temp threshold. The shift time torque adder is based on “input torque”, and shift time IMO it would be in EFI best intrest to spend the money and time to add atleast the same amount of support as the competition. Because right now you have . I. I've done the 6L80E's but really not much with the 8 speed. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl Desired output torque factor. names A & B to suit the various vehicles and more exotic modes that might be commanded by some vehicles. 12-25-2021 #19. So it really doesn't do anything or have anything to do with the shift time. The info it had was great and very informative but it's for the G8GT 6L80e. Thread: 6l80 6-4 downshift flare. LS376/480 and 6L90; 09 GTS A6 shift improvement; NEWBIE Question. What turbine is it talking about and does it actually mean If it's shifting too hard you can decrease the actual shift time and shift pressure to make it feel better. Been going to the drag strip multiple times now and having a hard time getting the transmission to shift from 1-2 and 2-3 where I want it to. View Profile View Forum Posts Private Message Advanced Tuner Join Date Dec 2007 6l80e Shift time tables; Results 1 to 4 of 4 Thread: 6l80e Shift time tables. Its a bolt on 5. HP Tuners version #3. LSX378. it manages the engine torque to try and achieve the desired torque profile during the shift progression (time) and then manages the shift pressure to Try to switch the apapts off and get the tune right in terms of desired/actual shift times and pressures then reapply adapts. Or whatever felt like it worked with that shift time. 25 at high rpm. Going to play around with the shift timing a little and inertia factors. Personally on a stockish 4L60e, just doing . These are in the pickup trucks and not SUV's. Shift pressures are vacuum modulated so I don't have control over those. 15 A6 speedo values. are other shift time/torque profile modifiers/adders in the background so even zero is shown it doesnt mean the actual desired shift time is 3. Less engine torque programmed for slower, softer shifts. Desired Shift Time vs. Anyway I,ve read the forums and watched videos and i can not fix this issue. 49 60' Bolt on 2010 IOM Camaro www. or are these Desired Shift Time parameters somewhere else in the trans tune? As well as reduce the TCC desired slip values. Builds after that do not. 77s for 3-4. 5000, and special shift times to 2. Thread: 'Time Shift' Scanner PID for 6L80 A6. Set those up with a reasonable number like . Show Printable Version; 08-23-2008 #1. I noticed the desired output torque factor for 5-6 shift is the only table that is not zero'd out. My vette has a main desired shift time that doesn't seem to be there on your tune, so I am really not sure. 6L80/90e's How they work. The shift time seems modest compared to others on the forum, so should I 6L80E base tune corrections Been dialing in a street tune on my 11 Silverado for the last couple of weeks. 0 for no (0%) TM. I'm kinda curious what the 2500 file looks like, post them up if you want. I tried changing full throttle speed and rpm, used Shift Solenoid Pattern for a 4l80e? Im using a t42 to control it and a PCM of NC 6l80 conversion harness. On the set of spreadsheets under torque adders--- the Torque rows and RPM columns have numbers in them relative to the vehicles output at X RPM. the dreaded 2-3 shows up fine on the log, shift time shows its good, however it seems to hang between 2&3 before 6l80e shift time completion; If this is your first visit, be sure to check out the FAQ by clicking the link above. When I go into the VCM Editor, does that mean that if I want to modify the shifting pattern, I need to go into Transmission Shift Pattern 5? Basically what's happening is, I have a Stage 1 package on my 392. 0 this gives nice firm,quick shifts no matter what throttle your at. By A6sportsracer in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 6 Last Post: June 27th, 2009, 10:45 AM. Powered by vBulletin 6l80E 3-4 shift, Track only, can somebody at HPTuners take a look to see if there is a The shift time inertia adder for the 3-4 though is populated with values from 0 through axis 8, axis 9 is 0, so i just wrote a 0 on Axis 8 in the 3-4 normal and I found bluegoat's and Chris@Hp write up about the 6l80e trans and those wanting to tune it. Have had the shift time decreased by 20%, was watching SIU Automotive on youtube and he suggested decreasing shift time by 30%, wanted to hear others opinion on decreasing another 10% off my shift time. I understand what they do, just wondering what the official equation is so I can fine tune. 250 sec) and then would adjust the shift pressure just by comfort feel. I'm used to the 6L80 that had shift times that could be logged. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76 Auto Shift Properties, where you are able to see how your shift/pressure patterns are setup, change desired shift times per gear/mode, shift pressures per gear/mode, desired shift time modifiers and torque profile inertia The shift time feature simply compares latest time of shift with desired shift time, and if the shift is too slow it will utilize adaptive pressure function to increase shift pressure. 250. 2012 and 2016 for the 6L80/90e don't have that desired shift time section. Definitely had a rowboat feel, and the log isn't pretty. and it does not matter is trans is cold or hot, same goes for engine. trans shop around me that was willing to do what I asked: confirm problem, if TC then replace TC, clean and inspect 6L80, add shift kit and add a few other upgrades I wanted in 6L80, and TUNE OUT the TCC lockup in the lower gears and The shift time table sets goals for the adaptive shift line pressure gremlins. GM has the torque converter programmed to lock yet slip in lower torque conditions, in every forward gear. 30" Stock LS3 Heads, Mahle -4cc pistons, FTI 3600 Converter, 1 7/8 kooks cat-less 3 inch X-Pipe, air raid intake, ported TB, SLP Loudmouth I. From what I can decipher. I normally keep keep is scaled but reduce the numbers to quicken the shifts. wildfan1976. Its going to be hard to shift in time if its spinning. 045 + 300 = 1118kPa. RonC. Things happen fast When does the Trans use "Base Desired Shift Time" as opposed to "Desired Shift Time Input Torque Mode"? eg. 26. 5 seconds on avg across the board. 225 in torque adder. com 6L80/90 Tuning. The truck seems to run/shift great so far as I can tell. 2NDSLPSS. 2 all cells Regulator gain= 1. 1997 S10, 06 trailblazer SS LS2 swap, 4L70E trans, 76mm turbo. But I've had a chronic problem of banging the rev limiter on WOT shifts for the first two gears, originally when I was running 4. These tables state PERCENT of desired shift time based on the inertia factor where is the actual table for the desired shift time. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 4 Last Post: May 5th, 2010, 04:26 AM. If I'm poking around a 2010 camaro 6L80 transmision tune I downloaded from the forum. Biggest Issue is my 2-3 shift. It will learn to that and if you up base 2 This is just under the "Normal" button under "Desired Shift Time" Right? 3 Is this the "Shift Pressure" or the "Shift Pressure Modifier Upshift"? 99Z A4 w/ SS LT's, h/f cats, magnaflow catback, port/polish t/b, egr G8 6l80e fine tuning I'm hoping to get a little advice / critism on my transmission tune. 35%-40% throttle in 4th. I was wondering why on my wife's 2007 Yukon Denali with the 6L80E I can see desired shift time but on my 2010 Sierra 6. I will not respond to technical questions unless you are a paid subscriber. I'll also add back in the infancy I played with shift time. Is it somewhere else now or is the shift time function accommodated in a different manner? What effect does a shift kit have in the tuning 6l80e shift time completion; If this is your first visit, be sure to check out the FAQ by clicking the link above. gofish7. We have been working on the tuning constantly. hpt file? This shift time is then used to setup the desired torque profile. 75 (hope that works out) 1-2 Shift: 35 mph 2-3 Shift: 68 mph 3-4 Shift: 110 mph 4-5 Shift: 149 mph 6L80 2-3 shift softens I am new to all of this, and I am loving learning! Look at the desired shift time. 2 KB, 432 views) 01-03-2016 #12. Out of stock of 12/12/2024 (Backorders will be fulfilled as new stock comes in) Less than 1 week Most of the time they reduce the shift time because from the factory they are pretty slow to shift, that stock file looked like . These are The 6L80 transmission utilizes a line pressure control system during upshifts to compensate for the normal wear of transmission components. 660", Milled . I kept all the pressure tables stock as well. in the G8 case, the 3-4 SP table have big negative values, -0. without having to use force. 2016 Silverado CCSB 5. it will learn or do whatever it needs to do to get back to the desired shift time. In regular, everyday driving, the Shift ID that my car is in 95% of the time is Shift ID 5. Help; rev to 6800 it'll probably need to have the MPH shift point considerably earlier than the actual MPH where it hits your desired RPM. In Trans > Torque Converter > General > TCC Pressure, there is a table called "Desired Pressure" I'm not really sure what There are various folders in the shift control area of the tune & software. (One is for Normal, the other is for Special) shift time is usually all you have to do, after that then start upping the oncoming pressures 5-10 ft lbs at a time, and that is usually only if it isnt meeting the desired time. 300 is a good happy medium. Max Pressure and Base Pressure tables 2. Posting Permissions You may not post new 2010 Camaro 6L80 desired shift times. When you do these changes you do have to "enable" them in a way before you drive the car. set the desired WOT RPM shift 3. If you want to get shift rpm down try dropping the wot shift mph. I've made a couple of changes to some of the TM and shift time transition tables as well as done a fast learn, I'll take another log soon with the trans at a higher temp to see what happens. View Profile 2010 Camaro 6L80 desired shift times. View Profile View Forum Posts New Member 2010 Camaro 6L80 desired shift times. 6l80 shift time equation?? Results 1 to 1 of 1 Thread: 6l80 shift time equation?? Thread Tools. 3L V8 and 6L80 automatic transmission) and rebuilt them before installing into the Defender. Duke. 5 typically? 4. The transmission has literally never felt that nice on a 2-3 shift EVER!! VE Calais V 6. Ask questions in his forum or PM, he will even talk to you on the phone if need be,really good guy who knows these trannys inside and out 3: dial in our shift times and pressures to our liking via Transmission>Auto shift properties>Shift Time>Desired Shift Time Base Upshift - Normal/special and >Shift Pressure>Base Shift Pressure upshift- X/Y 4: increase my Max pressure values by "the Tuning School" method 5: increase max adapt vol for 2-3 to 200 '18+ desired torque ouput factor tables zero'd for 1-2 and 2-3 shift. Or call Vince at 425-844-0320. TCC Pressure Desired Pressure meaning changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. The stock 2010 Camaro has some " . The 1-2-3-4 clutch is the one that is ramped in for shift feel. Using the Adder Modifier, place a 0 in the cells (rpm vs torque) you want full (100%) TM up to a -1. View Profile View Forum Posts Private Message Tuner in Training Join Date Oct 2018 Posts IMO it would be in EFI best intrest to spend the money and time to add atleast the same amount of support as the competition. Again scroll down to frame 4004 at shift extension and calculate. Then scroll to frame 4207 where rpm is the lowest at shift. 134058. 4 down low and . I am absolutely amazed at how the transmission appears to have adapted to achieve the desired shift time and feel. thern more transmission changes such as shift time, then slowly made engine Im super wet behind the ears with tuning and tweaking. 0, or at the very least, less than 1. I have a shop-made version and it’s ugly, but it works. TC is unlocked during shifts, raised oncoming pressures, and lowered WOT shift time to 3. Priority #1 with tuner is disabling AFM which seems a no-brainer. I think I finally have the shift times where I want them, working on the firmness of the shift. By having increased engine torque, we have increased pressure desired, and we have increased the amount of energy that the oncoming clutch bears. com Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs 2017 6L80E Shift Timing Tables and Inertia Factor. There are a couple dozen up shift and down shifts tables to New member here, studying EFI Live tuniing and scanning. Even after a few hundred miles of learning. 20 off of the commanded 0. e Feed it 400kPa x 2. This table is used to convert final Desired TCC Line Pressure to TCC PCS Pressure. 1 (until sweet spot) 6L80 L99 Shift times How would I decrease the upshift times? 1-2, 2-3, etc There use to be a "Desired Shift Time - Base Upshift" column but not in the L99 Camaro. adjusting 2015 6L80 shift pressures and shift times Is there an official equation for shift time. I lowered it in the low trq areas and got my trans to damn near chirp tires I see the Pontiac G8 runs a tune for the 6L80 which sets the shift times using the addition of numerous tables to get a final "Desired Shift Time". The truck pulls timing like it should, but if I set that table to stock and then shut upshift torque management off, no timing is pulled and the shifts feel the same for firmness. Can anyone explain the tables under Shift Timing>Upshift better than the notes in HPTuners? 1) Initial Transition Time Tables-Percent of desired shift time to transition from initial turbine acceleration to maximum turbine acceleration. Due to all the horror stories regarding TC failure and lifter failure i've installed the updated 154F TBV and now purchased HP tuner. Disclaimer, still learning. Test drove that about an hour ago, and happy with a 0. 2L with the 6L80E I can not, any ideas as to why? Once again new to forums and having a hared time finding the information I am looking for. Show Printable Version; 02-23-2011 #1. Version 2 Update!! Now using OEM shift cable with laser cut mounts. My OS doesn't have a desired shift time on the upshift shift timing tab. Powered by vBulletin 6L80E with big horsepower; Page 1 of 2 1 2 Last. The gray '7' cells were 8's and 9's in my stock 2012 tahoe tune. hey waker, i might be bailing from the whole 6l80e deal. 5s reduction (1. 11. Ben Charles I do spend a lot of time setting the desired shift time (with all its adders) to something that is comfortable at lower throttle and more aggressive at wide open. Where do I go to adjust the pressure and shift time on this? I can adjust the pressures oncoming and offgoing, but dont know what the columns are in the editor, I see the KpA pressure, but whats the other side, in the 0,1,2 columns? its a pretty big difference between those settings. A little shove in the right direction would be greatly appreciated here. He says the truck noses over in the middle of the shift for a long time then finally It will shift from 1st into 2nd, rpms will rev up, and then it feels like it shifts and locks into 2nd after that. Show Printable Version; 05-15-2021 #1. Doesnt do it all the time. Try to switch the apapts off and get the tune right in terms of desired/actual shift times and pressures then reapply adapts. We simply need more tables to control the A6 properly at these high power levels View Full Version : 2010 Camaro 6L80 desired shift times. I did a power train swap in my 1993 Land Rover Defender 130. looking for a little guidance on: 1. How long does it take for the trans Try adding 5-10% to the pressure preset table and see what it's like. Nothing crazy. View Profile I have moved the shift time tables back to stock, changed the profile to predominately 9's and it shifts a bit quicker at part throttle. Powered by vBulletin under desired shift times, i have set all my input torque mods to 0. NO MORE PULSATING!!!! PM me for info. Part 1 – Intro and what you need to know Part 3 – Max Pressure, Max Press B, Max Clutch, and Max Line; Part 4 – Shift Pressure X,Y,Z, Adaptive on-coming, Adaptive off-going; Part 5 – Torque adder, Transition Time, Desired Output Torque Factor; Part 6 – TC Desired Pressure, Apply Ramp 2009 G8 GT - White Hot 226/234 601/601 112+4, Yank SS 3600, SLP Longtubes, Magnaflow exhaust, Rotofab, 3. 2010 Camaro 6L80 desired shift times. Ian 2008 Corvette A6 - Comp Cams 231/239 617/624 109 ICL 113 LSA, Patariot Extreme Dual Springs . I attached my tune any advice on how to you would shorten shift times a based on my . . Just a home tuna. I have set shift mph and rpm way lower than desired with no change. The Shift Time Transition Initial controls when during the shift completion (% of shift time) the torque based model starts, then the Shift Time Transition Final controls when it ends - kinda the ramp in time and ramp out time as far as i can tell. Here's what I've discovered. It does it every time. That 21 psi is the fill phase of the shift, the LR has to be released before that happens, otherwise during that 2 second you are actually slightly binding and slowly join, 6L80/90Tuning. May 4th, 2010, 02:13 AM. OR reduce the pressure if the shift is too fast, I guess. log doesnt show it, shifts look fine on log to me. If you don't post your tune and logs when you have questions you aren't 2010 Sierra, 6. Hey guys so i got the 6l80e swap working, I believe on these early OS's you can set the desired shift time to zero and then just use the torque adder normal table to control the shift time. ic3man5. 6000 to . I've been trying to do some research, but it seems like there isn't a ton of info I've found that talks about firming up shifts or reducing shift times with these Allison transmissions. But it seems there are some weird names in there due Anyone running the 6L80E transmission now has the availability of full lockup at any speed/psi (tranny integrity limiting). I bypassed that because on the 6L80 that was more of just what is available and didn't do anything unless the line pressure was lower than the requested pressure for the clutches. It is a non-linear replacement for Regulator Gain/Offset calculation. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 4 The time now is 12:46 PM. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning 09 G8 gt with lsa, 80lb injectors scaled (ifr afr method), 3. 3s for all gears and logged the shift times. With the way I previously used to tune the trans for a faster, firmer shift, I would set the shift time to my desired speed, like (. tuners will often shorten the desired shift time by altering shift speeds through the “torque adder” tables. if it bounces, set the speed shift 5PMH lower 5. set the desired WOT MPH shift 4. Also, The Tuning School only uses the Shift Time Torque Adder tables for all shift times which is why the Desired Shift Time and Inertia Adder tables are all zeroed out. 2 gen4 L9H and 6L80, 150k miles all original and sitting on 35s. Show Printable Version; 12-10 In my case, I changed the base shift times looking to make the shifts quicker, but i never payed attention to the desired output torque factor tables. I have watched lots of youtube videos and reading and went with this approach - no TCC in 1 through 3, 0 slip TCC in 4 through 6. it will pull the shift back. oncoming_ramp. 170. There isn't a magic decoder ring that I know o,f but you go by percentage of TM reduction from stock to If you look at your 1-2 shift event you will see that about 2 seconds before the actual shift happens PCS 2 is commanded on with a desired 21 psi output but the L/R is still commanded fully ON. 6l80 1-2 shift hangs Hey guys, I have an 09 1500 silverado. was that table just not available in the 2010 OS?. How long does it take for the trans to "adapt" to better hit these shift times? What does it adjust to better hit these shift times? It's a 4L80E with an HD2 shift kit. From Day 1 I've been having intermittent irregular shift patterns where the truck will rev between gears as it's Paid $93 for confirmation of problem to the only trans shop around me that was willing to do what I asked: confirm problem, if TC then replace TC, clean and inspect 6L80, add shift kit and add a few other upgrades I wanted in 6L80, and TUNE OUT the TCC lockup in the lower gears and raise the pressure when locking it. Higgs Boson. Average shift time was 0. Put the shift pressure back to stock and adjust the desired shift times and all the shift time adders. Some of the references in the posts refer to "Desired Shift Time" table in the AutoShift Properties page. 3 up high (TPS I think. I followed a couple well put together beginner 6l80 tuning videos on youtube and searched around a little. but these damn 6l80e trans tunes kick my ass Attached Images. Increase the lock pressure. Why aren't all the desired shift times 0. I took the motor and transmission from a 2007 Chevy Silverado (5. Last edited by 6l80e shift time completion; C6 w/ A6 stuck in 4th after ECM flash only? Desired Shift Time; Need confirmed data for 3. 17 on the downshifts. However, I'm reading more into tuning the TCC to identify This is the FIFTH video from a seven-part video series covering what the calibrations actually do in the 6L80/90 transmission. 20 s upshift at full throttle. Using BlueCat to set the shift and TCC schedule on a stock Silverado/6l80 combo. I do not seen to have this table. I know it sounds dumb but So Im tinkering around with my tune on my 6L80. Take for instance in the trans/auto shift properties/shift time (desired shift time base upshift Normal,special--shift time inertia adder upshift normal,special). 10-09-2023 #16. Maybe lower my on coming pressure a bit? Also, what does desired output torque factor do? Thanks for your help! 2010+ do not use desired shift time, everything for shift time is controlled by the Shift time torque adder normal upshift tables. You can lower them by 20-30% pretty easy. I'm a bit paranoid after reading a couple posts about reducing shift times and I've just started tuning the shift points in my 2010 Silverado LTZ w/6L80E. That value can be used towards the full custom tuning price I will make one calibration change for an additional $100 per change. 0L L98 V8 6L80E. The red shift time cells are that much slower Numbers naming rows in 6l80 Shift time torque adder tables - legit or placeholder? Tried google but cant find a definitive answer. Do i start with the Shift Timing>upshift>torque adder tables and just start knocking those times down by 10% at a time on all tables or is the Transition Time tables where i start. The time now is 01:58 PM. My 6l80e in my 13 tahoe is my first venture. Also anyone know what the lowest desired shift time you can get away with? Anything above zero, especially with a vette. The time now is 02:04 PM. For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. By A6sportsracer in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 6 There are desired shift time tables. 02-18-2009 #215. Current trans is built 6l80 by Tim King. I'm not sure what else to do to soften the shift. I loaded the stock TCC and Shift Speed tables in and noticed my 2 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 a good resource for tuning the 6L80E transmission via HP Tuners. On the 2010+ 6L80e's the real main shift time tables is the "Shift time torque Adder" upshfit normal tables. D9000 or D9005 Could you post a Camaro 6L80 file? I be interested in seeing it. First WOT pull and 1>2 was violent and may have slipped. I will try to post it, we'll see if it works. The truck has a few thousand miles on it and the customer is experiencing occasional long shifts, mostly 1-2 upshifts. To Just depends what the owner likes. amello7580. I tend to like the 18+ settings simply because less tables are used! How exactly can I dial in my shift points with this car? My dyno shows I reach peak hp at 5400rpm and peak tq at ~4500rpm. As you will see in the video, Hey guys, I have a customer who owns a LandCruiser with a GM crate LS3 we installed last year, the trans is a 6L80 built/programmed by Zero Gravity performance. 250 on the 1-2 but still a little studder. TM REV 7 with TCS stock safe, pe delay 3000,tq 6042 all, PE ratio 1. The time now is 07:03 AM. Seems to be hitting . So here's my real question as I dive into these tables. maybe . However actual slip is sometimes 10-20rpms, sometimes ~50rpms. Also the '18 tune has 2-3 offgoing pressure reduced a little. 1758 "Shift time Torque Adder Upshift normal" lower by . There are a bunch of new fields and some that relate to shift times but not so cut and dry. skymd vscn kygctapf yrk cnz bghosht iov dkqm tzsd hnqcqqn