Torque converter slip. my wifes pos with a xlsd spragless and 1.

Torque converter slip I'm trying to command as much lock-up as possible at introduced to eliminate torque converter slip losses, at least only in top gear and at high vehicle speeds. Jul 1, 2020 · All automatic transmissions slip. This blog post will guide you through the process of identifying and interpreting torque converter slip, empowering you to diagnose and address Apr 2, 2021 · Torque converter slippage Jump to Latest 4. Yet, I notice the torque converter almost always locked up in normal driving bar the short unlock/lock from throttle tip-in. For example, in park, it will say Desired Slip 1200, Actual: 730 (guess the engine rpm) As speed increases, the Desired Slip drops (don't 6L80e torque converter slip; Results 1 to 5 of 5 Thread: 6L80e torque converter slip. Save Share Jun 28, 2024 · Causes of Torque Converter Slippage. What to Do to Fix Slipping or Shuddering. Several factors can contribute to torque converter slippage. Show Printable Version; 09-06-2022 #1. Torque converter slippage is important during acceleration, but it becomes a liability once the vehicle reaches cruising speed. at 115 your in an 11 sec. All of the clutches within the transmission slip as they are engaged. So when the torque converter clutch engages there should be almost 0rpm difference between tc slip desired and tc slip act. It sounds like you are describing a torque converter shutter. About 10,000 miles ago I put a reman jasper motor in. same car with one step less gear in 1/4 mile with same converter showed under 5% Home; Converters. Mar 26, 2014 · As rpm increases, the slip rate of a torque converter goes down. You will need to look at the pid list on the scan tool and see if there is a torque converter slip desired and a torque converter slip actual. com Jun 4, 2024 · Torque converter slip is an essential concept in understanding the performance of automatic transmissions. The torque converter ties the engine output shaft to the transmission input shaft much like a clutch does. Torque Converter Slip (RPM) 07E02291C0; C462059136C0; 3010; 000100010000; TCS; 4. In part two of torque converter selection, I talk about picking a converter based on shift RPM. But after calibrating the speedometer and checking engine rpm at various speeds, it looks like the slip is more like 12-13% . 3K views 30 replies 6 participants last post by Aml383 Apr 6, 2021 Jun 22, 2018 · It could be a problem with the transmission, or the transmission could be perfectly fine and it could be a problem with the torque converter. In gasoline applications, which may turn 6,000 rpm or more, this means converter slip can be 7 percent or less at high rpm, which Enter MPH, The Tire Height in Inches, The Rearend Ratio, Trans Ratio, & Converter Slip % RPM = (Rearend Ratio * MPH * 336. The impression of the continuous / controlled slippage of the torque converter clutch is similar to the movie we see in the theater. Although it seems as if the clutch is slipping, it really is just the rapid fire apply and release of the clutch, thousands of times per minute, Sep 30, 2024 · Torque converter slippage, a phenomenon inherent to automatic transmissions, occurs when the input and output speeds of the torque converter differ. car . ideally you want the least slip and gear to match power band of engine before finish line . In the first installment, I covered how to pick a converter f Oct 25, 2023 · The Converter Slip% Calculator is a valuable tool used to determine the converter slip percentage in the context of automotive mechanics. I quit running the 310 tune till I get around to doing a tranny and torque converter job on this truck. The torque converter itself is typically in the $300-$1,000 range. Torque converter issues on a lot of older transmissions can be diagnosed by carrying out a stall-speed test. and 2. Dobson Rd Suite 800 Mesa, Arizona 85202 Mar 9, 2012 · Slippage numbers aren't everything, only an indicator. Related X-Gauges. Oct 13, 2009 · If I run the 310 tune, I I can see slippage as high as 150-200. It’s the unsung hero responsible for smooth gear changes and efficient power delivery. It provides the needed "slip" so the engine does not stall when the vehicle is sitting still. In order to get a realistic value, use: Your finish line MPH (from ET slip) Your finish line RPM; Nov 8, 2019 · How to Fix the Above Five Torque Converter Issues . It will slip so badly the computer will actually command it to unlock. just saying . That is all it absolutely has to do. View Profile Jun 4, 2020 · 2004 - 2008 Ford F150 - Torque converter slip - I have a 2004 f150 with the 5. The requirements for cooling capability of the lock-up clutch and vibration isolation of the damper were accordingly insignificant. Torque Converter Stall; Circle Track; XTM and XFM Series; HD / Street & Strip; Performance; Full Race; The Billet Generation; 10″ – 12″ Hybrid Jun 16, 2013 · thats 10% drive train slip that you hope is converter slip. 136 * Trans Ratio * (1 + (Conv Slip% / 100))) / Tire Height MPH Tire Height Rearend Ratio Trans Ratio Conv Slip % Oct 8, 2013 · gear is an increase in torque applied through tires . 22 Required; Usage Notes. That’s why virtually all modern torque converters use a lock-up clutch. Sep 13, 2024 · The cost for torque converter replacement can vary widely, but on average, expect to pay between $1,500 to $3,500 in most cases (including parts and labor). 11's only slips 7% at 117 and i dont like leaving that much power on the table to heating the fluid . my wifes pos with a xlsd spragless and 1. Ours slips 7% at the 1/8th and 4% at the ¼ stripe Mar 31, 2009 · I had checked the slippage on my torque converter over a year ago and came up with about 8%. Oct 7, 2017 · Clutch, Transmission, Differential, Axle & Transfer Case - Torque converter slip question - I was monitoring some Torque converter params for my 4R55E with my in dash scantool. The torque converter, often hidden within the depths of your automatic transmission, plays a crucial role in transferring power from the engine to the transmission. There is plenty to slip. See full list on mechanicbase. Estimate Converter Slip Wallace Racing BACK to Auto Math. The 4-speed automatic transmission is the state-of-the-art in the 1990s and. – But for 3rd gear, the OSS values for Unlock are small, Slip is larger, and Lock is almost always maxed out (7000+ RPM). It refers to the difference in rotational speed between the impeller and turbine of a torque converter, expressed as a percentage. 76 glide with 4. Recently ive been feeling a lag in acceleration and wanted to know if anyone agrees with me that the torque converter is the problem. Thread Tools. 4 motor and 4r70w trans. 1. Right now, I'm running the 210 tune, and if I give it max throttle, it will slip up to 12 or so. Dec 20, 2024 · I'd look at all engine and transmission data to see if anything sticks out as problematic but I'd focus on the torque converter slip speed and duty cycle because if the DS remains high but the slip speed is around say, 100-200 rpm, that would be 100% confirmation your converter clutch is slipping. The torque converter slips until it is locked up. Transmission Sump Temperature (Degrees Mar 17, 2011 · Torque converter slip. The smallest slip number doesn't necessarily mean the fastest you will run. Linear Logic, LLC 2222 S. But if you have a dealership do the work, you can easily get into the $4,000 to $5,000 range with certain vehicles. Some converters are looser down low, some are more aggressive, what works best for your combo may vary on torque, gearing, tire size, weight, engine power band, etc. you always want as tight up top as you can get without loosing the 60ft. Below we have outlined how you can safely and easily conduct a torque converter test. Slipping too much is what's bad, and I believe this is what the pid is for, but I'm not sure. This discrepancy allows the engine to generate higher torque at lower vehicle speeds, enhancing acceleration and improving drivability. 7 Key Symptoms of a Bad Torque Converter. lambda1. Calculating torque converter slip is crucial for diagnosing transmission issues and optimizing vehicle Aug 17, 2008 · I always think of converter slippage in terms of RPM myself but we should start with some basics. Sep 19, 2024 · Torque converter slip is a natural phenomenon that occurs in automatic transmissions, but excessive slip can lead to decreased fuel economy, increased wear and tear, and even transmission failure. 1/8 guys will say they have 14+% slip as they cant handle the gear required to get rpm up to lock up converter . Your first course of action, if you notice your transmission or torque converter has started to slip or shudder is checking your fluid level. This percentage is a key indicator of a vehicle’s efficiency and can be a critical factor in racing and high-performance applications. . There are tried and true methods for fixing the five common torque converter issues. . The Banks Billet Torque Converter is tuned to provide a stall speed that is optimal for Banks Power systems. Here’s a breakdown of the most common causes: Low fluid level: The transmission fluid acts as the “blood” of the system, lubricating and cooling the components. 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