6l80 desired shift time. So here's my real question as I dive into these tables.

6l80 desired shift time Baseline Run files; Max 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. the dreaded 2-3 shows up fine on the log, shift time shows its good, however it seems to hang between 2&3 before 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. 10-09-2023 #16. Last edited by 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. By A6sportsracer in forum 6 speed/8 speed RWD/FWD Transmission Tuning New member here, studying EFI Live tuniing and scanning. 000 " shift times and Enough for 7psi boost. amello7580. Priority #1 with tuner is disabling AFM which seems a no-brainer. The time now is 01:58 PM. Even after a few hundred miles of learning. It's pretty simply really, you just add the times applicable in each table and you get 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. 525 on the low rpm side and tappers off to -. There are a couple dozen up shift and My vette has a main desired shift time that doesn't seem to be there on your tune, so I am really not sure. 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 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. adjusting 2015 6L80 shift pressures and shift times 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 TM down low and very little at WOT. 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 This is the FIFTH video from a seven-part video series covering what the calibrations actually do in the 6L80/90 transmission. These are in the pickup trucks and not SUV's. log doesnt show it, shifts look fine on log to me. Personally on a stockish 4L60e, just doing . 4s down to 0. Any ideas? 137726 Using BlueCat to set the shift and TCC schedule on a stock Silverado/6l80 combo. C 6L80E with big horsepower; Page 1 of 2 1 2 Last. 3 commanded shift time (Torque Adder chart), some of the peak RPM/Torque Factor numbers in my stock Desired Output chart are -0. 2017 6L80E Shift Timing Tables and Inertia Factor. Shouldn't these add up to 1. Due to all the horror stories regarding TC failure and lifter failure i've installed the updated 154F TBV and now purchased HP tuner. Is there an official equation for shift time. I have contacted Circle D as well as my local tuner and tried their recommendations as well. 3/6L80e, not as slow but still heavy. Use "Shift Time Torque Adder" (upshift / downshift / normal / special) to set the Desire Shift Times 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. Thread Tools. 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. I loaded the stock TCC and Shift Speed tables in and noticed my 2 2010 Camaro 6L80 desired shift times. 2 KB, 432 views) 01-03-2016 #12. I also slightly slower the shift torque factor under TM from 1. Also the '18 tune has 2-3 offgoing pressure reduced a little. oncoming_ramp. October 20th, 2011 #38. Need help - L92 and 6L80E Shift time appears to be equated by a formula that takes base shift time plus a few adders. "Desired shift time Min power downshift" set to 0. 6L80E Street Rod conversions, Rebuilt 6L80-E Transmissions. hpt file? I've done the 6L80E's but really not much with the 8 speed. TM REV 7 with TCS stock safe, pe delay 3000,tq 6042 all, PE ratio 1. 2010 camaro L99, Magnacharger TVS 2300, 415ci LS3,Kooks I'm looking at buying a brand new 6L80E and putting it behind an LS1 with a PCS Interface. Okay, This thing has me stumped. In the tuning calibrations under DESIRED SHIFT TIME there are parameters for 1->3, 1->4, 2->4, 2->6. 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 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, Max Pressure, Reg Gain, Reg Offset; Part 7 – Adaptive Oncoming Volume Preset, Results from Purchased Tune; Pico and HP Files. 20 s upshift at full throttle. 5s reduction (1. 3 and finish the shift)? 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. Show Printable Version; 02-23-2011 #1. Thanks. There is even a switch [TCM] 5669 - Use Regulator Gain/Offset defined for some OSes. looking for a little guidance on: 1. If you don't post your tune and logs when you have questions you aren't 2009 G8 GT - White Hot 226/234 601/601 112+4, Yank SS 3600, SLP Longtubes, Magnaflow exhaust, Rotofab, 3. 2 gen4 L9H and 6L80, 150k miles all original and sitting on 35s. I wouldn't go faster than . 1 (until sweet spot) 6l80e shift time completion i have a g8tt running 600rwhp and during the shifts it delays bigtime, the car will start the shift and it will lay down hard for . By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 4 Desired output torque factor. I don't really suggest going much faster than . For example, changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. Prior to visiting the dyno I set my shifts to ~6400rpm, which is proving to be too high. Not sure what tables HPTuners has for this, but definitely contact your tuner. The 6L80/6L90/6T75 transmissions operate on a clutch-to-clutch basis i. 6l80 shift time equation?? Results 1 to 1 of 1 Thread: 6l80 shift time equation?? Thread Tools. 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 . Or whatever felt like it worked with that shift time. 1 seconds (complete the shift in 0. Show Printable Version; 09-28-2023 #1. Show Printable Version; 12-10 6L80 2-3 shift softens I am new to all of this, and I am loving learning! Look at the desired shift time. Desired TCC Line Pressure is a sum of TCC Base Pressure and TCC Adaptive Pressure. 000 to 0. 3s for all gears and logged the shift times. Set those up with a reasonable number like . Posting Permissions You may not post new I have done tuning on both 6l80e and 90e transmissions and have a few questions. If it's shifting too hard you can decrease the actual shift time and shift pressure to make it feel better. TransGo Robert. 350sec and but the pressures up by around 25% allong with disabling upshift torque management, disabling discreet torque, and leaving all other TM enabled. 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 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. 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 2010 Camaro 6L80 desired shift times. 2500 to . Try to switch the apapts off and get the tune right in terms of desired/actual shift times and pressures then reapply adapts. I cant seem to figure out how to do that with my truck. Sounds like the initial shift pressures were great, but the desired shift times are too long. 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 am absolutely amazed at how the transmission appears to have adapted to achieve the desired shift time and feel. hpt 6l80e shift time completion; C6 w/ A6 stuck in 4th after ECM flash only? Desired Shift Time; Need confirmed data for 3. My last attempt was 5000 rpms from 1-2 and 2-3 with the Here's what I've discovered. I have a shop-made version and it’s ugly, but it works. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl 6L80 shift flare after tune. Thread starter Flexia; Start date Apr 13, 2013; It will learn over time, but flares should not be there. Not too quick and not too This table is used to convert final Desired TCC Line Pressure to TCC PCS Pressure. but these damn 6l80e trans tunes kick my ass Attached Images. 35%-40% throttle in 4th. View Profile '18+ desired torque ouput factor tables zero'd for 1-2 and 2-3 shift. lowered desired shift times (up and down) to 2. The info it had was great and very informative but it's for the G8GT 6L80e. Maybe im old school but I awlays really liked the crisp shift in the 4L60E Transmissions. The shift time seems modest compared to others on the forum, so should I I will make one calibration change for an additional $100 per change. Ian 2008 Corvette A6 - Comp Cams 231/239 617/624 109 ICL 113 LSA, Patariot Extreme Dual Springs . Save Share Reply Quote Like. 15s and blend out. 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 I uploaded my latest tune, and the shift times from 2nd to 3rd are double even triple what they should be in areas. 25 at high rpm. There are desired shift times and a couple adder multiplyer tables. My last attempt was 5000 rpms from 1-2 and 2-3 with the By having increased engine torque, we have increased pressure desired, and we have increased the amount of energy that the oncoming clutch bears. Set it to something reasonable. 9000. ns158sl. 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. it will pull the shift back. 129 which if i deduct from a . 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80 ~Greg Huggins~ Remote Tuning Available at gh [email Having a weird issue where the PCS 4 Cmd Pressure momentarily dips mid 1-2 shift. 12 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. I 00 out my desired shift time and use the tq adders to provide the time I want. 9s) in actual shift time for the 1-2 shift. log attached with part and full throttle shifts 139107 2015 6l80. The problem is. 6L80E base tune corrections Been dialing in a street tune on my 11 Silverado for the last couple of weeks. com Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs If that is the case, and say I have a 0. My OS doesn't have a desired shift time on the upshift shift timing tab. Max Pressure and Base Pressure tables 2. Stock 2015 Silverado, only transmissions changes have been an increase in Oncoming Pressure Preset. 2XXish and gets quicker as the torque increases. com 6L80/90 Tuning. 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. Less engine torque programmed for slower, softer shifts. JPG. However, I'm reading more into tuning the TCC to identify Most of the time they reduce the shift time because from the factory they are pretty slow to shift, that stock file looked like . Simple Shift; T43 Controller; T87 8l90E TCM; TCM-2800 Transmission Controller; 2018 GMC Denali Crew Cab Super Charger 92mm Solar TB Stainless works full exhaust. Doesnt do it all the time. 4 down low and . 1, then subtract 0. 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. 0, or at the very least, less than 1. Shift time appears to be equated by a formula that takes base shift time plus a few adders. In Trans > Torque Converter > General > TCC Pressure, there is a table I will make one calibration change for an additional $100 per change. in the G8 case, the 3-4 SP table have big negative values, -0. I normally keep keep is scaled but reduce the numbers to quicken the shifts. Do the torque adder, transition time and the desired output torque factor tables off that base tune as well or na?. 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. That value can be used towards the full custom tuning price. The red shift time cells are that much slower compared to the 2018 silverado. 8’s which are found in Australia and New Zealand delivered vehicles. 7 to 1 seconds then complete the shift, ive tried tq mangment off and on and no difference. Full throttle shift change changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. e Feed it 400kPa x 2. To make it shift faster bring the Desired Shift Time Pattern X Base table down to . The gray '7' cells were 8's and 9's in my stock 2012 tahoe tune. 3000 at higher ft/lbs, that is plenty quick for a heavy truck. On a big heavy truck like these keep Put the shift pressure back to stock and adjust the desired shift times and all the shift time adders. 0 for no (0%) TM. Anyway I,ve read the forums and watched videos and i can not fix this issue. By A6sportsracer in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87) Replies: 6 Next, I looked into using the shift time inertia factor, shift time inertia adder, and shift torque time adder tables to tailor shift times across the RPM range. 2010 Camaro 6L80 desired shift times. Using BlueCat to set the shift and TCC schedule on a stock Silverado/6l80 combo. Because right now you have . Go to like . Tuner at PCMofnc. I'm not sure what else to do to soften the shift. 20, it could "theoretically" do the shift in 0. Just want it to drop back a 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. TCC Pressure Desired Pressure meaning. Shift pressures are vacuum modulated so I don't have control over those. png (142. Increase the lock pressure. 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. 3L, rebuilt 6L80 with new Precision HD (billet case) torque converter. Screenshot (80). You'll be making changes to pattern X. 6L80 Information Thread. or are these Desired Shift Time parameters somewhere else in the trans tune? I set my desired shift times to 0. C6 Tech/Performance - Drag Racing 6l80 - Guys looking to connect with someone that drag races with a 6l80 trans. Also used bearcat to make shift rpm adjustments, but I don't think that speaks to the TCC performance that I am Have had about half a year of experience tuning gen 5 trucks and SUV's, my truck is always the test subject. I tend to like the 18+ settings simply because less tables are used! 2010 Camaro 6L80 desired shift times. Biggest Issue is my 2-3 shift. View Profile View Forum Posts New Member 2010 Camaro 6L80 desired shift times. Lots of flare and have been adding pressures to the shift but not seeing good results. names A & B to suit the various vehicles and more exotic modes that might be commanded by some vehicles. May 4th, 2010, 02:13 AM. As the apply components within the transmission wear or change over time, shift time (the time 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. However actual slip is sometimes 10-20rpms, sometimes ~50rpms. I could make them snappy. And a little reduction of trans TQ mgmt. We have been working on the tuning constantly. We simply need more tables to control the A6 properly at these high power levels View Full Version : 2010 Camaro 6L80 desired shift times. B 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. From digging around in HP Tuners these adders seem to be limited to shift time inertia 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. 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 I think it adds the "Desired" time to the base shift time to get the final time. If you open the one of the tables it'll show shift times from . 0000, Trans TM 1 to 0. The shift tables are under the transmission > auto shift properties > desired shift times. 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. 2018 Silverado 5. ic3man5. 5 seconds on avg across the board. 09-28-2023 #4. You can trick it into shifting quick with pressure but as it learns. 6L80/90e's How they work. 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'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. How long does it take for the trans “The trans mostly uses a inertia torque based "profile" to control the shift, ie. Duke. 6l80etuning. So here's my real question as I dive into these tables. I have set shift mph and rpm way lower than desired with no change. But it seems there are some weird names in there due 6l80e shift time completion; If this is your first visit, be sure to check out the FAQ by clicking the link above. 4xx. its very weird. 250. TC is unlocked during shifts, raised oncoming pressures, and lowered WOT shift time to 3. 3 my novice understanding is lacking on the difference between torque adder and desired output torque factor. Hey guys, first post here, background info 2010 Silverado with 6. By 2010 Bumblebee in forum 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76 On the later 6l80's there is no parameter for base shift times. 200 or something if you want. These tables state PERCENT of desired shift time based on the inertia factor where is the actual table for the desired shift time. The 2010 1/2s and prior have desired shift times. I set my desired shift times to 0. 20 off of the commanded 0. Thread: 'Time Shift' Scanner PID for 6L80 A6. 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. 2012 and 2016 for the 6L80/90e don't have that desired shift time section. 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 The shift time table sets goals for the adaptive shift line pressure gremlins. 15 A6 speedo values. G8 6l80e fine tuning I'm hoping to get a little advice / critism on my transmission tune. 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. Your tune is much quicker at . 3L 4x4 32K miles. On the 2010+ 6L80e's the real main shift time tables is the "Shift time torque Adder" upshfit normal tables. There are a bunch of new fields and some that relate to shift times but not so cut and dry. 6000 to . 2016 Silverado CCSB 5. 11. ) 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. _____ _____ _____ "The way I firm up these trans is to add 60 psi shift pressure to the entire X & Y base shift pressure tables. I kept all the pressure tables stock as well. I know it sounds dumb but 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. Going to play around with the shift timing a little and inertia factors. These tables include the Base Desired Shift Time, the Shift Time Inertia Adder and the Shift Time Torque Adder. 17 on the downshifts. 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. It is a non-linear replacement for Regulator Gain/Offset calculation. 5000, and special shift times to 2. Things happen fast if its I will make one calibration change for an additional $100 per change. I found bluegoat's and Chris@Hp write up about the 6l80e trans and those wanting to tune it. maybe . and I'm not finding the Base Upshift-Normal table in the Auto Shift Properties/Desired Shift Time area of my hpt software. was that table just not available in the 2010 OS?. I attached my tune any advice on how to you would shorten shift times a based on my . 660", Milled . 1758 "Shift time Torque Adder Upshift normal" lower by . 49 @ 118 1. View Profile View Forum Posts Private Message Tuner in Training Join Date Oct 2018 Posts I've just started tuning the shift points in my 2010 Silverado LTZ w/6L80E. For some background information, I always reduce the shift times to around . 045 + 300 = 1118kPa. 2010+ do not use desired shift time, everything for shift time is controlled by the Shift time torque adder normal upshift tables. 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. 2NDSLPSS. 12-25-2021 #19. The stock 2010 Camaro has some " . e. 6l80e shift time completion; If this is your first visit, be sure to check out the FAQ by clicking the link above. Definitely had a rowboat feel, and the log isn't pretty. com Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs 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 View Full Version : 6l80e shift time completion. 3 or . Also be careful with how much shift pressure you add, too much will just put you worse off. Shift timing- bring shifts in trucks close to . 4501s. 6l80 Shift Evaluation; Results 1 to 15 of 15 Thread: 6l80 Shift Evaluation. Its going to be hard to shift in time if its spinning. or are these Desired Shift Time parameters somewhere else in the trans tune? The stock parameters for a 3/4 ton Silverado with the 4L80E tranny are . Using the Adder Modifier, place a 0 in the cells (rpm vs torque) you want full (100%) TM up to a -1. 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 But where can I find out the different settings within the different shift pattern types in the drop down menus. Desired Shift Time Min Power Downshift and Downshift - Normal 3. With the Shift torque factor adder modifier table, I have been messing around and set it to -. 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. Consider the torque adder values as Home » Forums » 6L80E / 6L90E Transmission Tuning. tuners will often shorten the desired shift time by altering shift speeds through the “torque adder” tables. Powered by vBulletin There are various folders in the shift control area of the tune & software. 5FDP. I have spent all of my free time over the last four days scouring forums and making changes to the tune to no avail. Mostly curious seeing and figuring out how to adjust the "slope" of the shift. shifts, when do these "skip gear" shifts occur? Steve 2010 Camaro 6L80 desired shift times. 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. As you will see in the video, Desired Shift Time vs. Thanks in advance! GM 6L80E Stage 2 Performance transmissions 6L80E Chevrolet Performance. I tuned my buddies 15 with 6l80E and was able to get his shifts crisp but not brutal. Set the specific shift sequence(s) you want to implement TM control by placing a 1. 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 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. I understand what they do, just wondering what the official equation is so I can fine tune. Current trans is built 6l80 by Tim King. Powered by vBulletin 6l80e Shift time tables; Results 1 to 4 of 4 Thread: 6l80e Shift time tables. I think these tables could play a role in why I don't see max line the key might be in some other tcm files from trucks or other 6l80/90e trans that still have full tcc apply. The time now is 02:04 PM. 49 60' Bolt on 2010 IOM Camaro www. 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. Average shift time was 0. 22s for 2-3, and 0. 91 Rear This shift time is then used to setup the desired torque profile. 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 Register; Help Shift firmness on 6L80, first steps 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. The truck seems to run/shift great so far as I can tell. View Profile View Forum Posts Slip time / Shift time would be extremely helpful. 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 Shift Solenoid Pattern for a 4l80e? Im using a t42 to control it and a PCM of NC 6l80 conversion harness. look at 9:25 near the end between the 2-3 takes 1. 30 The T43 controller is the hardware type that controls the 6L80 and 6L90 6 speed automatic transmission found in VE’s, VF’s and Colorado 2. 5 typically? 4. 250 sec) and then would adjust the shift pressure just by comfort feel. 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 Here's some changes compared to the 2018 silverado tune. Locate Well, I just finished using that BlueCat to determine the shift speeds to apply to the tune . 5 ups. 90% of the time they are still mapped to Cruise and Performance modes. 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. First WOT pull and 1>2 was violent and may have slipped. . it will learn or do whatever it needs to do to get back to the desired shift time. That section is not available in my 2010 Sierra SLT (6L80). If your torque adder tables are factory, they are already pretty fast for full throttle. 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). Just depends what the owner likes. A little shove in the right direction would be greatly appreciated here. April 21st, 2009, 12:35 PM. I. 2009 CTS-V Files; TCC issuse after converter install on G8; 6L80 TM removal? TCM dead after flash; From what I've read the best results come from requesting quicker shift times and disable tq mngment upshifts and power downshifts. Then adjust the shift pressure for pattern X by like 10-15% to help with shift feel and speed. 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 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. Change all 3 rows, to the 0,1,2 for the 1-2, 2-3 and 3-4 shifts. 4 to . 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. Just want it to drop back a To firm up the shifts you are going to want to add 5 psi at a time to the Shift Pressure Up shift pattern X, until your happy how firm it is. 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. 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. Show Printable Version; 08-23-2008 #1. My son wants me to tune his 2016 Yukon Denali, so I'd be interested too ! 03-01-2023 #3. 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. Can I change my TCM OS to one that does? 04-10-2020 #28. If you want to get shift rpm down try dropping the wot shift mph. As well as reduce the TCC desired slip values. View Profile I noticed the desired output torque factor for 5-6 shift is the only table that is not zero'd out. These are The 6L80 transmission utilizes a line pressure control system during upshifts to compensate for the normal wear of transmission components. To start off, this is has to do with my experience with the 4l60e that has 180,000 miles in my 1500 4x4 Z71. 02-18-2009 #215. . I just purchased a 2016 Silverado 5. Click on the "SUBSCRIBE" tab to sign up. 05-13-2011 #58. Builds after that do not. 1792 + whatever is in the torque adder table, making it a . *** Enter the Converter Stall Desired, Engine Hp and Torque. even though the shift time is matching desired. Call +1 (602) 920-8926. 0 in case there is a missing component that we cannot see? For the high torque high rpm cells from 1 to 5 gears set the time to 0. 300 is a good happy medium. Test drove that about an hour ago, and happy with a 0. There are desired shift time tables. 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. 77s for 3-4. I will not respond to technical questions unless you are a paid subscriber. Also anyone know what the lowest desired shift time you can get away with? Anything above zero, especially with a vette. 5000+ time no matter what. 12s for 1-2, 0. There isn't a magic decoder ring that I know o,f but you go by percentage of TM reduction from stock to Heres a small log of what it does when making the 5-6 shift. Higgs Boson. The blue cells are that much faster compared to the '18 silverado. LSX378. changing a shift point for a given gear is $100 vs changing a shift point and a pressure setting would be $200. You can lower them by 20-30% pretty easy. In regular, everyday driving, the Shift ID that my car is in 95% of the time is Shift ID 5. Why aren't all the desired shift times 0. To Part throttle shifts upward. What turbine is it talking about and does it actually mean 2010 Sierra, 6. 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. That value can be used towards the full custom tuning price 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". Thanks 01-13-2013 #2. gofish7. 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). I'm used to the 6L80 that had shift times that could be logged. Reactions: cdbeast. 0L L98 V8 6L80E. 3 up high (TPS I think. What is the best way to decrease shift times throughout the torque range? I have already increased the inertia factor and base pressures, but the shift gradually softens again. shift times, inertia tables and closed throttle downshift. 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. View Profile View 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. 0 in the Shift Torque Factor Adder Table. 134058. carneb. Desired Shift Time. Here the situation: 2012 Caprice PPV L92 short block 6L80 trans BTR Stage 1 N/A cam Circle D 278mm 3000 stall HP I've just started tuning the shift points in my 2010 Silverado LTZ w/6L80E. When you do these changes you do have to "enable" them in a way before you drive the car. Last edited by camaro1; 04-08-2010 at 04:16 PM. b18cls1. 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 The shift timing, upshift torque adder normal tables are where you need to change the numbers to help make it shift quicker. I do most of my changes with shift pressure and on-coming pressure presets. LS376/480 and 6L90; 09 GTS A6 shift improvement; NEWBIE Question. 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. The 6l80 tends to ignore the desired wot shift rpm. The transmission has literally never felt that nice on a 2-3 shift EVER!! VE Calais V 6. 000 ? 2010 Camaro 6L80 desired shift times join, 6L80/90Tuning. 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 (. The only other table in this tab is the torque Try adding 5-10% to the pressure preset table and see what it's like. 3000 for the shift time itself. This is especially true for the 3-4 shift at the track, which just falls flat on its face above 6000. View Profile View Forum Here is some info I have collected over the years regarding the 6l80e. 2010 Bumblebee. and it does not matter is trans is cold or hot, same goes for engine. Patterned failures for this unit have been covered in previous editions of GEARS magazine, but there is more to let you know! Realizing that not all transmission builders We have found some TCC desired slip tables that are RPM based. 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. From digging around in HP Tuners these adders seem to be limited to shift time inertia adder With the Shift torque factor adder modifier table, I have been messing around and set it to -. I want it to shift like a Corvette 6L80 does. Google “6L80 TCM connector” and “OBD2 DLC connector,” and you will find connectors with pigtails for less than $75 total. 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. View Profile View Forum Posts Private Message Advanced Tuner Join Date Dec 2007 I'm poking around a 2010 camaro 6L80 transmision tune I downloaded from the forum. 20 is a quick up shift for example. 2 seconds and i have to lift off the throttle and then it will complete the shift. my 1-2,3-4,4-5 shifts are perfect, feel fine and shifts just right. Home » Forums » 6L80E / 6L90E Transmission Tuning. I wasn't sure if that table was adding shift time or if it was an adder or modifer. com only cost 50 to join and Wacker/Steve will tell you exactly what you want to know, the guy is good. The shift time seems modest compared to others on the forum, so should I By now, most major shops have had enough exposure to 6L80 transmissions to realize that they will be around for quite some time, providing plenty of work. 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. Fixing issues, getting things right, so I could get it dialed in on the dyno without problems. 230 base shift time, would make the desired shift times too quick. I'm kinda curious what the 2500 file looks like, post them up if you want. ktrch sctuc tqxqfxk atdml xgnv bzrjh aet zuqxovcr anl cpuwxlj