Hp tuners transmission shift points. if I want to shift at 6500 I put 7500 in the table.
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Hp tuners transmission shift points. ,Speedo, ECT. Once you modified the 4l80e and use a higher stall converter the shift times may not be reported properly in the ECU and this could lead to over-adaption (crazy pressure adjustments automatically). I'm thinking the tcm is having fits with the stock shift points. 23 Gears Steps: Log at least 2 wot runs from a stop going through the 1-2 & 2-3 shifts Log at least 2 wot runs from a roll going through at minimum your 2-3 shift Review your Logs & note Both RPM & MPH at each shift Sep 28, 2016 · I assumed since the speed in HP tuners scanning the transmission also knew this. I need a faster 1-2 and 2-3 WOT shift on the 6F55. If you click on the 1-2 shift, it's pretty slow and gets quicker as the torque rises. The problem now is that it's shifting way too early - I have the speedometer / VSS properly calibrated to my gear ratio / tire size, but when driving, it feels like it's bogging down HARD especially at lower gears, and not accelerating properly, so I plugged it into the VCM Scanner so I can see what's going on. 42 rear gear 30" tire I've set the shift points to hit at 6800 but no matter how high I set the shift points it still hits at 6000 rpm. The rpms will go up to where it should be shifting but I have to back off the pedal a bit to get it to shift. Note that trans will always shift past commanded shift value. I personally don't recommend more than a 50% reduction of TM on a stock trans. What do I need to change when changing shift points. ,trans. Pattern A or pattern B. There is a table for shift time so you can decrease the time available for the trans to shift. 1. Tranny Specs are as follows: Jake's stage 3 4l80 with trans brake valve body FTI 3500 3. You'll notice that the guide has been designed around the 2004-2006 GTO but the principals remain the same for other vehicles with the 4L6x series. 80 on a WOT 1-2 shift, the oss was set to 2038 and we commanded a 8500RPM shift to get it to shift at 7500 which was our desired shift point. May 8, 2021 · I see that the Shift RPM Normal WOT shift points are set way high (6750 RPM for 1-2, 2-3, 3-4, and 4-5) but the individual upshift schedules for (Shift Schedule, Offroad, Tow/Haul, etc) use Throttle position vs vehicle speed, like the old school Ford tunes (like my 2000 Crown Vic with 4R70W). my2018f150tune 10-06-2019. Hello, I've ready multiple forums that say the 2004 Ram 1500 transmission cannot be tuned but the 2005 can be, specifically shift points. Hope it helps others as well. 3000 and adjust your oncomming shift pressures to help increase the shift speed. 7 has ample torque down low and more than enough means to control EGT down there. I haven't got to the tuning side of the trans yet but this explains a lot of what we need to be looking at when it comes to applying changes to the trans to get the shift preferences we want and to also keep the trans from just eating itself in a short time. The inertia axis is likely referenced in areas of the transmission that HP have not mapped for us. I don't normally mess with Transmission shift points or anything because i don't know enough about it to do it properly. A bit late but want to get the missing HP out of it due to low shifting red line. Seems like any higher and it's fighting some rev limiter and anything higher than 7k it just doesn't shift at wot. TTVA position, governor pressure, post shift acceleration calculations, timers and some other things are a part of what allows those shifts to happen at certain times. Everything else is working great except the WOT shift points. Shift points refer to the vehicle speed or engine RPM at which the transmission shifts from one gear to another. Jun 10, 2008 · Most of you know our engineers have been hard at work adding new features lately to all of our platforms, one project that is finally finished is adding ~460 new transmission parameters for the A6 which includes but is not limited to the Corvette, G8 & many trucks/suv's. If you have a desired shift point in mind, simply divide by gear ratio to find OSS value to input. So far I have not been able to get it to shift smoothly higher than stock. He used a 200 stall torque converter. you then put the 1485 in the 1>2 cell (s) for the throttle % you want it to Apr 11, 2024 · Shift Points. The transmission is definitely tuned for soft and slow clutch/band-killing shifts, because theoretically the customer demands it May 12, 2023 · The engine is a ls1 with high compression forged piston's (11. 2900 to . Having zero shift time can make it slam into gear and not be good for the transmission. I personally found that 1st and 2nd gear has a lot of shift overlap, meaning if you are commanding a 6500 RPM shift in 1-2 and 2-3, it may go past this and bang the revlimiter for the first Oct 14, 2010 · 37. . Can anyone confirm this with first hand experience? Also, if true that the 2005 can be tuned can anyone share a tune with modified shift points for reference. Jul 10, 2022 · "Shift Pressures -> Downshift -> Offcoming Clutch Like above, this is named backwards and might actually consider this a bug in HP Tuners or the ZF naming scheme is just strange. There are many different ways to go about this but very few have a good grasp so here is how I do it. That whole, "Shift Scheduling" tab in the VCM Editor is not exactly something you can look at and just know what's going on. I'm using the stock settings, but the 1-2 shift is coming much sooner than the expected 6400 RPM. But those shifts also have limits as to how far you can adjust them. 250---it might make it shift too hard depending on if it has a shift kit or not. View Profile View Forum Posts Private Message Visit Homepage HP Tuners LLC; Top; All times are GMT -5. Raise to a reasonable number for the targeted shift points. After those are input check out the tabs/sheets at the bottom, there is a sheet for each shift/downshift with a graph of the upshift points vs downshift point. By adjusting shift points, tuning can dramatically alter a vehicle’s performance and driving characteristics. The transmission was slow to shift 1>2 and then would quickly shift through the rest of the gears and sit in 4th. I've gone and increased all these pressures by 20% without issues. you have to used the gear ratio for each gear and multiply it by the shift rpm you want. My rig is a 6300lbs suburban with a ls9 NA. Why the heck would Daimler/Chrysler come up with such a terrible (looking anyway) shift strategy. Tuned a couple of '08s (engines with "other" tuner, trans with HPT). 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 (. In this video I was having some issues with the shift points on my 2002 Camaro SS after a gear swap. Jan 20, 2020 · Hi all, I have a Sprintex supercharged 2013 Jeep Wrangler with the NAG1 trans in which I'm wanting to tune the part throttle shifting on. Thanks for any help. I am not getting any codes that at least that I see. Take a look at the stock tune file 2 -3 shift. I have decreased the shift times to . 55 on a WOT 1-2 shift, the oss was set to 1950 and we commanded a 7900RPM shift to get it to shift at 7500 which was our desired shift point. Side note, I would add back in shift time on your 6L80e. Trans Ratio and Dist - Trans: Adjusting this does not alter anything engine/speedometer related on the ECM side, but alter's the transmission's vehicle speed value, which affects shift points, lockup, and anything else speed based in the trans. But this thing hits 3-4 shift really hard. 11-01-2020 #4 Apr 26, 2020 · Hello, Can someone shed some light on tuning shift points on a 6l90e. Example car: 02 LS1 Camaro A4 Stock 3. How To: 4L60/65/70E trans tuning. RPM Anticipated shifts and Torque based shifting on/off doesn't seem to make much difference. Last edited by Dano 00TA; 09-05-2018 at 04:47 PM . The stock pressures are too weak if you downshift with the torque converter unlocked IMO. 1417 Beta. my question is should I change this in the wizard if so should I only scale the transmission parameters. 0 with TTs and I want shifts at 6800rpm. hpt Shift time is for adaptives of a stock unit. Under transmission > Shift Time Torque Adder > Normal, that is basically the shift speed in a sense. I had to go into the OSS tables for Normal and Sport to actually tweak my shift points. Set my max RPM to 7308 in these maps. Mar 6, 2020 · Heard back from HP tuners support and they added a set of shift tables matching the values of what I saw in bluegoat06's screen shot to 4. 0 with the stock internals. It's shifting around 6100 in sport mode with the OSS set way high, but setting it way too high did finally move the shift points up a little. Read thru this thread which was really helpful in answering some of my questions. I use something I created on my own so I can't comment on how it works but people give it good reviews in here. xlsx 10-24-2023 #20 Oct 28, 2020 · After watching many logs I pin pointed when the transmission fluid temp is below 80 degrees is when I get harsh shift 1-2, as the transmission and car warms up the transmission starts shifting smooth. WOT shifts are increased though. I'm am about to pull my hair out trying to get a 13 challenger to raise the shift points. The enigine tune is totally dialed in but im having a 4-5-6 shift point issue. 75% is fairly common and some even pull it out altogether 100%. Normal drive shows as normal like it should. Sep 3, 2021 · I'm looking to do some minor changes to the shift points on my 2011 GMC Sierra 5. Have the shift times around . ie. However when I go over to sport mode it still shows as normal? So I finally got the Gen 3 LM7 w/ 4L60E in my '66 C10 tuned and running quite nicely. I will try raising them tomorrow. Aug 4, 2023 · That's a lot of information, but as i read it a few more times i believe this is very beneficial in learning how the ZF8 transmission works. ,trans diag. I trying to raising them to 5900 right now but it doesn?t shift. 2, 545RFE/65RFE Transmission tuning is supported! This brings transmission support to many more supported vehicles including, but not limited to: 2007-2012 Dodge Durango 2007-2010 Jeep Commander 2007-2014 RAM 1500 2007-2011 Dodge Dakota 2007-2013 Jeep Grand Cherokee Oct 26, 2020 · Afternoon fellas. Still do not completely understand all the settings we can adjust but did adjust my sport mode shift maps (aggression maps 3&4 for variant 0&1). The response has been positive. GM V8 Tuning - Transmission; 2020 ZL1 Shift Points Needed 10L90; HP Tuners LLC; Top; No affect on shift points or anything trans related. Some people go further. So I'm not to sure how normal this is but, my WOT shift points are almost on the dot when I add 1000rpms to what I want the truck to shift at. I am used to tuning GM vehicles so it is easier for me to see MPH with dealing with the shift mapping/TCC/etc. Advancing shift points can leverage engine power for faster acceleration, while delaying them can benefit 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 Follow along with lead instructor, Jeff Evans, as he walks you through tuning the automatic transmission shift scheduling (rpm) in the GM Gen 4 ECMs for 6L80 Mar 1, 2010 · For reference, the stock torque rating for the 4L60E is 360 ft/lbs and 380 ft/lbs for the 65E. After 4th it jumps to 5th then 6th way too soon and drops the rpms to around 1200 then wants to jump back to 5th. Then we get to Shift Timing > Base, Adder and Multiplier, which is greatly confusing as I am to understand the idea is to "reduce the amount of torque" at the moment of shift to keep from slipping "feeling like it takes 30 seconds to shift" but yet making it crisp and quick, not so much harder (maybe just a tiny bit), but the factory tune in Built 6. 250 sec) and then would adjust the shift pressure just by comfort feel. It's the horrendous driveability and inconsistent shift feel especially at part throttle that is one of the problems. With a clutch fill time set to 0. In the menu bar, select Edit > Gear/Tire Wizard . When I put my Charger into manual mode and shift with the paddle shifters, it's great. I went on the VCM scanner/transmission shift mode to determine which mode the computer is using in sport. Using HP Tuners I got the speedo and shift points calibra Trying to tune this 2020 F150 to 6800 shift points, Whipple is the only mod with a 132mm tb. I have adjusted inertia factors before and found no ill effects by adjusting a point or 2 here and there in low load areas. I've already contacted support because regardless of changes made to driveshaft output rpm, my shift points stay the same. Jun 26, 2020 · 55. My shift points seem fine even with shorter clutch fill times, the torque truncation seems to have to stay enabled otherwise weird things happen - like on the 6F55 where the WOT points almost always banged against the revlimiter in 1-2 and 2-3 regardless of what point I set. so the shift pattern tables are in output shaft speed (OSS) not rpm like i thought. I see they have some changes to the shift modifiers. Your TV cable is going to have more of an affect on shift smoothness and to degrees affect your 1-2, 2-3, 3-2 and 2-1 shift points. 6. In auto stick mode it will not go over 57-5800 and 3900 ds rpms. 10R80 rpm and TCC Converter (reverse rpm calc and MPH). tthanks Last edited by luisdavid11; 10-23-2020 at 10:32 PM . Or whatever felt like it worked with that shift time. In general: - lower shift points and tcc lock in low tps regions. 3 or so, and since the shift time is really controlled by the hardware at that point I don't see any faster shifts even at 0. set shift points to stock, around 6400 and its shifting fine now. 7143 and you get 1485. I've been playing on the Shift Pressures, General tab, Temperature Offset, 1st and 2nd TCC On and Off tables. Multiply OSS value by gear ratio to find commanded shift point. Part throttle seems straightforward enough and WOT would appear to be but there are two sets of WOT tables, one for shift speed and one for shift RPM and they don't seem to really line up. PNG. The transmission is a 4l60 (rebuilt 4 times to get it right) with a trans 2 shift go shift kit, billet output shaft (we broke that), and a single disc circle d 3600 torque converter. I found the newer 6F55 doesn't respond to those WOT tables. 🏎️ He demonstrates how to enhance shift speed and efficiency by approximately 20% with HP Tuners VCM Editor. I know the speed also affects the shift point, but according to the graph, I should have hit the speed requirement for the shift point. I have changed them in the past but on occasion I get a strange shutdown at the 1-2 shift. if I want to shift at 6500 I put 7500 in the table. 1), rods, 224/224 600/600 TSP cam, fast 92mm intake, ls2 throttle body, TSP long tubes. Sep 13, 2019 · 1,077. 3L with the 6L80E transmission. 01-21-2016 #2. I have opened and searched every where engine,engine diag. ️ Initial steps include recording vehicle speed, lockup, and shift points during a test drive to identify improvement areas. most tables will need to be modified appropriately for your targeted shift points in this tab. I just wish I knew what all the settings meant in the Shift Scheduling tab so that I could program the car to shift like I would given Where is the to table to adjust output shaft rpm vs TPS :) So i'm tyring to make the wife a little happier and simply make her Durango shift to 1st without having to come to a full stop. Bugger! My goal is to get my car to shift at 7200rpms. I?ve looked everywhere and can?t seem to see what it?s hanging up on. And these Jun 30, 2020 · I wanted to adjust the trans to use different shift points in sport mode. I do have factory shift points during normal driving. Also, I disabled lockup until 5th gear. I have a 2006 Chrysler 300c with a Nag1 that has a 3800 stall torque. Set the targets to something reasonable. As far as a built trans, let it all hang out. GM L4 I5 I6 Tuning. Transmission Shift Point Smoothing. Quick Navigation GM V8 Tuning - Transmission Top Site Areas Mar 2, 2007 · With the release of VCM Suite 3. When tuning GM vehicles, the Gear/Tire Wizard can be used to calibrate the speedometer and scale the transmission tables to adjust for a new gear ratio or tire size. Your 3-4 and 4-3 is Shift and tcc lock/unlock points are a matter of taste really. Yes. There is a "bluecat" transmission tool to help calculate shift points. weird but i guess i'll just leave it like that. Dyno says I need to be shifting at 6500. Dec 30, 2021 · Supercharged, Cammed, Headers, 2,800 Stall Converter, Dyno Tuned I just did a scan of a couple of WOT runs with a 2-3 shift and a 3-4 shift. GM L4, I5, I6 Tuning - Engine; GM L4, I5, I6 Tuning - Transmission; GM L4, I5, I6 Tuning - Miscellaneous; Ford Tuning. Jul 26, 2019 · Yes I know we have access to the shift scheduling and lockup but I think the factory shift points are perfect. Shifting/TCC/TM (w/ Pics) I made this guide back in March 2010 and posted it on my "home" site. It seems like he left the full throttle shift points stock at 6000 he did ask if it was a stock short block so I guess that's why he did it. so to get it to shift at 7000 rpms in first gear, you take 7000/4. mbray01. The shift points now for Touring, Sport Mode and Track Mode are all the same. Even in full auto it shifts earlier than I've set. 1 and have changed a lot of my transmission calibrations. You can make an easy Excel sheet to make a copy and paste table. The primary adjustment for shift time is the torque adder table. i have a 2001 Allison with the 8. 09-06-2018 #16 Following is a scan log of a run showing the 1-2 shift at WOT. At the track, I run my shift time at 0. Now navigate to Transmisson>shift Scheduling here you'll be modifying the OSS map and These are shift time baised. My buddy has this GMT800 platform 1500 that he had a shop do a 4l80e swap on. Everything was fine, even when pulling a light load. I played around with this by making it so the all the values would equal 0 engine torque (5500 turbine speed @ 350 ft-lb = -350) would actually cause the transmission to never shift even at WOT because it guaranteed the output shaft speed never hit the right speed to shift. Shift points lesson. Ford EEC-V Tuning; Ford Tuning - Engine, Gas (Non Ecoboost, US) Ford Tuning - Engine, Gas (Non Ecoboost, Australia) Ford Tuning - Engine, Gas (Ecoboost) Ford Tuning - Engine, Diesel; Ford Tuning Hey I?m tuning my 16 ram and trying to raise the shifts points. 5. To alter those shift points you need to play with the governor pressure and adjust your TV cable to smooth out the shifts. Learning how to tune this trasmission i found the articles by Steven@ HPT where he explains the basics for tuning the 8 speed. Apr 16, 2016 · There are other tables you can adjust to improve the shift speed, but you need to be careful with the 6L80e because too fast and all the shifts are clunky. I have the torque based schedule enabled. . From the PT tables the shifts are scheduled by the Accelerator Pedal Position vs Output Shaft Speed. The transmission was rebuilt and upgraded after the engine was rebuilt and claimed to be able to handle ~500hp from the shop that built it. Likely the shift kit is playing a role in when the transmission can shift, shift kits modify pressures which is a piece of the puzzle when the 1-2, 2-3, 3-2 and 2-1 shifts occur. Long story short, those tables didnt solve the part-throttle shift tuning issues. 2 is a pretty firm upshift for example. In this video, explore shift timing adjustments for the GM 6L80E transmission with our expert, Tony. yes hp tuners can change your shift point. I can change the shift points but I am afraid it is just a guess as it doesn't seem to be paying attention to my values at this time. JPG start there and raise your RPM, Elements, OSS, and other related limits there. Try . Both shifts happen at a max engine speed showing 6,750 rpm Jan 2, 2015 · He had a mail order tune and felt very sluggish. Here is what I have changed: Transmission>WOT Shift RPM vs Shift Normal 1-2 Shift 6500 2-3 Shift 6200 3-4 Shift 8192 - Original from my tune. szz jhi kpnmcbra pexf thhowz kvjc wrfudw qdbgpz ngz znagz