• THE WIND RISES

      4l60e shift rpm adjustment. Find your car's sweet spot.



      • 4l60e shift rpm adjustment Hello, Looking for help diagnosing shifting issues. The line pressure increases with rpm now! So this fixed the problem (or part of it) So, My question is, is there a reacalibration of some sort with a new EPC Jan 30, 2024 · GM introduced the turbine shaft speed sensor in mid-2006 which resulted in design changes to the input shaft, pump stator and pump cover. Tried playing with shift timing, pressure, etc no effect. Jul 22, 2010 · I assume this is a 4L60e automatic? :homer: ATSG manual says for harsh shifting to inspect: Throttle position sensor Vehicle speed sensor Pressure switch assembly Trans fluid temperature sensor Engine coolant temperature Possible codes: 21, throttle position sensor circuit high 22, throttle position sensor circuit low 28, fluid pressure switch Jun 28, 2023 · Shifts are never executed based on transmission pressure. 309 1st Type Same as 700R4 Don’t Use New Medium Orange New 1-2 Piston & seal. If your 4L60E is slipping, overheating, shifting irregularly or making noise, you should have it repaired before or, in conjunction with the installation of your B&M 4L60E Shift Improver Kit. As far as the adjustment, does it look like there is evidence that it has been tampered with. Step 9:Adjust the shift linkage so the shift lever will enable you to get the transmission into all gear ranges. 60 degrees 550 lbs ft. This is also useful for troubleshooting accurate speedo but trans shifting strangely issues). Converter will be set to unlock at anything over 80% throttle and the trans will not be set to shift into 4th at WOT. Later-model transmissions will need the smaller, late-style output shaft speed sensor connector harness. Oct 14, 2010 · A shift kit is the correct and only safe way to adjust shift firmness and pressure on a 4LxxE. Gonna be playing with this in a few hours, but the correct adjustment procedure would be much appreciated for the 1996 or later trucks. Aug 8, 2009 · at 190,00 lost reverse and first installed reman trans evrything bolted up fien cannot find any adjustment on shifter cable i can adjust nuetral start switch and the motor will crank but the cable is approx 3/4 of an inch to long any thoughts would be appriciated ive done gm repairs my entire life firrst experience with a 4l60e though Page 55: Maximum Engine Rpm As you adjust the shift speed up and down, you may find that the wide-open throttle upshift RPM is different from the speed at which you feel comfortable running your engine. The servo piston will generally take up enough adjustment that adjusting the band isn't an issue, but in the case of aftermarket bands or worn drums a longer servo pin is sometimes needed. Sep 4, 2007 · If it is a non electronic 700R4as in a 4L60E it shouldnt have it. The good news is, that if you do have a bad one, they're really inexpensive. 1) RPM 2) MPH. 125 Now, what I do for shift MPH/KPH is quite simple, force the gear using the VCM controls, and run it to the desired RPM you are looking for. I have a 2001 lm7 with the ultimate LS injection 700hp kit with transmission control. In most application higher is not faster. It's like the vehicle is just getting going and it shifts and seems to bog it down. When there are problems with this shift valve and solenoid, it lea Jul 28, 2015 · How would one go about changing the shift points in a stock GM 4L60 / 700R4 transmission in a 92 Corvette? I was told these transmissions were built by GM to shift at roughly 5500 to 5800 RPM, but since the trans is not controlled by the car's computer (as is the 4L60E models) the shift points cannot be easily changed. 25 inches). What parameters need to be changed for this to only change when i tell it too. Line pressure is programmed to increase as TPS goes up. The 1-2 shift has gotten nice and crisp but the 2-3 and 3-4 I am seeing no change. 10 gears in 1/2 ton L33 LS. 255s in the log, which is over 850ms. Oct 12, 2014 · Hi CoolAid. shaft speed sensor connector harness. I have done pressure/oiling/clutch modifications to handle high rpm shifts, so I'll set my performance/tow haul mode up for fun driving and leave my normal shift mode fairly stock for cruising around. The input shaft speed sensor connector will not be needed for this transmission. Close-Ratio Level-3 4L60E Automatic Transmission: 19X five-pinion rear planet 6-pinion E Gear front planetary (2. starts above 6200 rpm’s (varies) and creates a leak in 3rd that gets worse and worse with more RPM. 2) manually shift the trans through the gears and there is a 1-1. Thanks for the help. 1 if you want. In the 4L60E, shift solenoid problems can cause a lot of trouble. We added a 3200 stall and I have HP Tuners Pro but never tuned an auto. Oct 24, 2015 · Hey Everyone, I am tuning a 4L60E in an Fbody and I changed the shift pressures up about 5-10 psi at a time and saw little to no difference in shift firmness on the 2-3 and 3-4 shifts. No big deal. I did end up rebuilding the trans myself, I do not claim to be an expert. IF i looked in the right area in the tune, ([ECM] 15110 - Desired Shift Time vs. Oct 26, 2023 · 4L60e won’t shift until 4K rpm. USshift. Yes* Yes* No 30294 2009+ 4L65E / 70E Blue 17 No * Present in OEM installations. 73 gears, tune by PCMforless. 52:1, the downside with the deeper First is the major rpm drop in the 1-2 and 2-3 gear changes that the 700R4/4L60 force upon you. I wouldn't go further than that with the tuning til after a 100 miles or so. Aug 14, 2012 · to have it stay in first until WOT shift RPM, make part throttle shift tables for performance mode the max MPH in that gear. There is a speedometer calibration tool in CATS Tuner that I think should be used first. 5” tall tires behind a 5. TUTD Hold Shift Enable: Enable/disable a shift to occur if the driver is holding down the TUTD switch TUTD Mountain Mode: Enable/disable powertrain braking the TUTD downshifts, when in D3 TUTD Range Select: Enable range select TUTD mode activation, otherwise use state of TUTD switch connector in place during the adjustment procedure. No recalibration kit can fix an already ailing transmission. 73 gears ratio change cause the transmission to shift fast and the rpm to be higher . In kickdown mode both RPM and MPH qualifiers must be meet for shift to occur. 2 block, Eagle 3. The 2-4 band on the 4L60E/700R4 is adjusted by changing the servo pin to one of a different length or using shims as some rebuild kits will include them. Has anyone had any experience with the Ebay/Amazon 4l60E Standalone controllers? I know all shifting will be manual, but I am concerned about long-term usage and how hard the transmission shifts with full line pressure. I want to get the mph up from 1st to 2nd and 2nd to 3rd. There are 2 shift solenoids in a 4l60e (1-2 and 2-3), and both control up and downshifts with fluid passing through them when commanded to do so by the computer. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Aug 27, 2009 · The shift lever on the side of the transmission didn't get re-installed backwards did it? The tit that the cable snaps onto should go towards the transmission, most of the older GM transmissions had it pointing towards the frame rail. Hey everyone, I'm trying to find a crash course for tuning the 6l80e. Dec 23, 2024 · Automatic Transmission - Turbo Ls 4l60e 2-3 shift flare - I have a 700whp turbo s10 with a lq4 and I am trying to get my 4l60e to hold power and shift. Well it does shift but I have to get to a high rpm before it does, and it will go on to third at high rpm. This time it will not go in to overdrive (fourth gear). 3 LM7 with a moderate sized cam. This is a brand new combo for roll racing. com, 2001 WS6 Aluminum Driveshaft , Clarion DXZ865MP mp3 player. 5k rpm it sounded like. The trans is a 4L60E with a 2200-2400 stall. I have to manually shift or it will just ride out 1st gear to the rev limiter and not shift. If the shift speed is set lower than the corresponding RPM, will it shift at the shift speed before it reaches the shift RPM? An example: The "normal" shift speed is set at 34 MPH for the 1-2 shift, but the shift RPM is set to 5600. New Large Orange New Small Orange Basic instruction for tuning the 4L60E transmission for better part throttle shifting. 250 sec) and then would adjust the shift pressure just by comfort feel. The TV cable should only be adjusted to its set position and is not used to adjust shifting and such. I have worked with it some and nothing seems to help it. It seems like it’s not shifting into 3rd gear, and it’s really affecting how the vehicle drives. I wouldn't buy a 1200 dollar controller with out trying everything possible first. com Jan 31, 2014 · bought this tune to receive 1-yr warranty on built transmission. I would like to keep my shifts gentle under part throttle conditions. Also, the shifts in all gears are very hard. Ideally you would want the torque converter's stall speed to be just below that RPM for maximum take off "power". 3L Gen3 + 4L60e + 3500 stall installed by a PO. Could the detent cable be out of adjustment? governor? or what else can Your gonna have to play with your full throttle shift speeds and full throttle shift rpm tables as you get further into it. 0 4th. Aug 30, 2020 · Terminator X EFI Tuning & Tech. Usually it's around 1,700-1,900 RPM. ** Failure to install a pump with a matching input shaft or pump not compatible with a turbine speed sensor into a 4L60E-equipped vehicle that originally came w/one will result in no upshift from first gear Second question is, is there torque management for WOT shifts? it must reference a different table because TQ decreases at higher RPM when it shifts (about 200-lbft at 5200rpm) because it shifts really hard. 06:1 First-gear ratio would appear to be an advantage over the TH350’s 2. He had a mail order tune and felt very sluggish. About 3K, where there is a 4K redline. I could be completely off here as i have never adjusted an automatic transmission but i checked out the log and tune. for the kickdown,check it out as longhorn man states,also have a circuit tester available to check kickdown piece above pedal to make sure it is working correctly. -something is wrong inside the 4L60E like a shift solenoid), or the PCM is not telling the 4L60E it needs to shift, which can happen if the PCM is getting bad data from the TPS or speed sensor. Not knowing your particular engine or me knowing the torque curve lets say 45 degrees or 1/2 throttle 400 lbs ft. 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 Mar 2, 2016 · Installing a Sonnax oversized PR valve (77917-06 or 77917-07), boost valve with O-rings (4L60E-LB1, 4L60E-LB2 or 77898E-K) and AFL valve kit is highly recommended for resolving pump pressure problems. Either the 4L60E is getting the command to shift, but it doesn't (i. I've figured out how to move my WOT shift rpm and speed. He recommended the controller or go back to maf sensor. Jump to Latest 2. Tire are 33/12. In PT1 of a two-part video series, I demonstrate how to measure and use servo travel to arrive at optimal 2-4 band clearance in your 700R4 or 4L60E using fac Sep 22, 2023 · The idea is to keep your shift points in the torque range of your cam. Installing the SK® 4L60E Shift Kit® reduces these complaints and furnishes calibration parts to adjust the 1-2 shift firmness. To override that function on a 4L60E would require that reprogram thingamajig that was mentioned. At WOT the car shifts fine. However, if you want to setup the pressure solenoid duty cycle to achieve certain transmission pressure, then yes, you'll need to install a 300 psi pressure sensor into the transmission and wire it as an Input to the ECU. LINGENFELTER MAGNACHARGED 2000 A4 Torch Red Z51 Vert, Smoothline HT, LPE IC Magnacharger, Z06 cam, LPE CNC heads, CC RPM kit, LPE hood, Yank 2800, Rossler trans, Z06 rear w/300Ms, Chrome C6 Z06 rims w/PS2s, Z06 calipers w/PF carbon metallics , Eradispeeds, WCC screens, BBK 80mm TB, TB bypass, 160 TS, GM Z06 MAF, Blackwing, Corsa Pace, AR headers X-pipe & Hiflow Cats, GM HP wires, NGK TR6s Apr 27, 2018 · Modern automatic transmissions use hydraulic fluid, which is activated by solenoids, to shift gears. Be careful with the 1-2, 6,000 should be the absolute limit and lower is better. but I am thinking about going back to a auto ( built 4L60E) . I'm looking at little firmer shifts and a little quicker. Also invest in a 20 doll hair corvette servo from oregon performance transmission, best money you can spend on a 4L60e. Oct 2, 2013 · The two gears only and high shift speeds sounds like limp-in mode. The Quick 2 controller in this package comes pre-loaded with a calibration for a 4L80E transmission. Apr 10, 2024 · EDIT: thread was originally started due to a 2-3 flare. The purpose of this article is to help you identify 4L60E shift solenoid symptoms. Lets say 0 degrees closed throttle = 50 lbs ft. I use 40% torque reduction flat across the 1-2 and 2-3 shift. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . Shifting to 2nd around 2400-2500 rpms. It also allows customization of the transmission's behavior with user-friendly software. Jul 12, 2014 · If you can identify that it is third gear then you're's should be easy like mine (had it done in 2 days) just remember that when you get it back it will be Stiff for a while and will shift like garbage (Rough) for around 1k miles. At speed, anytime you give it more than about 1/2 throttle it commands 2 but either is going to 1st or neutral. This value is used to calculate the speed that is used for shift and TCC calculations. I'd like to get the 3-2 and 2-1 downshift MPH back to where it was stock. I have a 63 C10 with a LS2\4L60e. 73 gears ratio . The 4L60E as a computer-control system features a powertrain control module (PCM) that aids in control using sensors like the throttle position sensor (TPS) and vehicle speed sensor (VSS). 300 seconds. ￭ When your 4l60e starts to act up and not shift correctly, one very likely culprit is the shift solenoids. Under normal driving it feels stock, 50%+ throttle and it shift firm but not shocking firm. Question 2: at higher throttle positions it breaks the tires during shift. MPH = (RPM x Loaded Radius of the real wheel) divided by (Tranny Gear Ratio x Final Gear Ratio x 168. A slight ping when it shifted. Apr 23, 2013 · The only shift that bothers me is the 1-2 shift. Sep 15, 2022 · In order to shift, the computer needs to have a signal sent to it to computer the shift point rpm's. Then if you get an annoying bump/slam, or soft shift just adjust the Base Shift Pressure vs torque vs Gear table. The "Maximum Engine Speed" allows you to set an upper RPM limit or cap at which your COMPUSHIFT II will always upshift. Jul 15, 2019 · Hello need help or direction on how to get my shift points set up. I flashed the previous tune back in. The builder suggested adjusting "duty cycle" in that throttle range which I've translated in HP to Force Motor current. 567 2nd gear ratios) Sonnax Smart Tech Drum for 3-4 clutch Pack B&M Pro-Stick Shifter - custom console installation 2 External Transmission Coolers mounted in series (bypass radiator) ATI Lock-Up Stall Feb 19, 2013 · The stall speed is how high the RPM can go before the truck is forced to move or the RPM stops climbing. The ECM 15012 table (Transmission > Shift Scheduling > Full Throttle Shift Speed Jun 6, 2017 · Vehicle is a 96 yukon sle with 5. Jan 22, 2010 · The adjustment is on the tranmission itself. and 90 degrees wide open throttle = 350lbs ft. We got it running and driving but this week we are going to go into the transmission settings and show you how to change the shift points and the shift firmness in the handheld. At it's shortest adjustment point it's still about a half inch too long. The torque from output is higher than the torque from the input at low RPM / shift is too slow or something. Manually select each gear and then use 5% to 10% TPS increments and determine the steady speed the truck drives for each throttle position. Look at the data in the two attached examples to help visualize. May God's grace bless you in the Lord Jesus Christ. A rebuild of the 4L60E will make it a more reliable, solid transmission. It seems like shift torque factor works across the board. You can soften the shift and keep the pressure firm by adding torque reduction in tables D0801-3. 150 in the tune and your log shows 1. but at a much higher rpm then it should. 0 6 speed shifter, Riken Raptor tires, Richmond 3. 1-2 and 2-3 were normal ranges (5600 and 5400 rpm respectively). shaft speed sensor. Truck has the 4L80E of course. Phone: (864) 646-8920 Email: support@usshift. The later GM EATs provided limited use of two gears in limp mode so that the vehicle could make it to a repair shop, vs. Tune is linked two posts above. Nov 16, 2012 · If the car slowed enough it would catch second then once past a certain speed seem to slip into neutral again, where third should be. Modify it to change the shifting. Nov 25, 2003 · More Info, High RPM to Shift When I last left you, I thought the transmission that I had would not shift out of first gear. It use to shift at 2500. Aug 1, 2012 · Much like electronically controlled engines, swapping a 4L60E as well as the 4L70E, 4L80E, and 4L85E and the TCI Automotive 6x Six-Speed Transmission is now easier than ever. Ie: normal mode, manual mode,cruise mode, kickdown u/d mode,cold mode, kickdown normal mode, kickdown shift mode. Let's say you have a 1>2 (meaning 1st to 2nd gear shift) set at 6,400 RPM and 40MPH. Mar 4, 2018 · The good news is that either way, you win. You'll want to give yourself a smidgen of I have a 4l60e with corvette servo. Sep 21, 2022 · Now I'm having the same issue again, with it also feeling sluggish off the line. I set the command shift times for 1-2 and 2-3 to 0. Once you release the button, the Shifter will allow you to move the lever into 3rd gear (D). Since my long and wandering post about the 4L60E got me nowhere, I'll ask directly: Is there a way in the V6 HPtuners software to change shift pressure? It would seem that you can affect it indirectly via the 'shift time' adjustment, but since there's no input speed sensor on the 4L60E (which apparently there is on the 4T65) is there any way to directly affect shift line presure? ECM 15022 - Transmission > Shift Scheduling > Full Throttle Shift RPM > Hot In the tune that you posted, the above tables are NOT the same as their corresponding "Normal" tables. 06) Loaded Radius = from the ground to the center of the wheel. Tags 4l60e. WOT shift within a couple hundred rpms is desired rpm in the tune. 73 ratio rear with 29. The Wave/Cushion Plate needs removed from the Lo/Reverse Clutch to allow for a cleaner 1-2 shift out of Manual Lo. US Shift Transmission Control System instruction and operation manual. I didn't build the truck but I have looked up the rpo codes for the original tire size and gear ratio and installed gears to give it a numerically higher final drive than what it originally had. May 6, 2009 · 1995 Firebird Formula. Here is a picture of the item, I am referring too for reference Nov 26, 2018 · ok I know this is a older post. I just want to make sure I don't burn the band out of it prematurely because its too tight. PNG shift 2. This has been killing me. If its a 700R4 or 4L60, then it does. 23 gears. i am very new to tuning and this helped me alot. Jul 13, 2019 · 3-4 shift times are zero'd in every tune I have run across. very firm 1-2 shift. Try lowering your 2-3 shift point below 6000 and retest. Watch this week’s FiTech Tech Tuesday for more! May 17, 2017 · So I went into it and everything was going swimmingly until it got to adjusting the shift points. Apr 17, 2012 · The "Normal Mode Shift Tables" are used for most driving, for WOT use the "Kickdown Mode Shift Thresholds". Jul 20, 2022 · I’m having trouble with my 4L60E automatic transmission, and I’m hoping you all can help. The shifts are clean and very crisp, NO lagging, NO slippin and NO delays. Alpine 100x2 amp on 6x9&#39;s. (mine was 11. MB Quart front speakers. early units from various OEs that only give you one gear(2nd or 3rd) when they suffer a failure. The third to fourth shift and torque converter lockup seem normal. The existing tune jacked the pressure and resulted in very hard shifts even at low speed/load. But the 3-4 shift was 8161 rpm?? So what is a good rpm to shift from 3rd to 4th or what is it normally stock? Also, how do you improve throttle response? Is it that torque management its an internal issue most likely with pressure falling off at higher rpm so cant make the shift. It's that easy. To shift from Park directly to Overdrive, depress the release button and hold it down while moving the shifter lever, and the shifter lever will automatically stop in the Overdrive position. I want to know which shifting strategy I should pick. The Sonnax [Performance Pack HP-4L60E-01 for ’94-later units includes an O-ringed boost valve. NOT. I didn't notice that the engine went over the 6500 rpm limit setting when the shift was occurring (looked to be about 6550). Aug 7, 2005 · Example stock tire 28 inches 3. The previous owner had it rebuilt about 5k miles ago. In order to use it with a 4L60E - 4L70E transmission, you will need to load the 4L60E calibration. GMT800 4L60E calibrations do this much lower, in the 1100 rpm region, and it seems like for around-town driving, earlier lockup would help. The Quick 4 controller in this package comes pre-loaded with a calibration for a 4L80E transmission. You will have to determine what the RPM's are going to drop down to when it shifts and tailor the shifts so that that you're about 200 RPM's into the beginning of the torque range. This softens the 2-3 shift feel and worsens progressively as shift point RPM goes up. This is an OPTIONAL connection (shift points can be set by VSS only, but risks overrevving the engine if not set carefully) Optional grey CAL_B Connect to a toggle switch that GROUNDS this wire. Jan 1, 2013 · 96 z28, 28x9x15 hoosier slicks, weld drag lites, 10 point roll cage, pacesetter lth with 18" turn down extensions, mild cam, Jake performance th350, performance torq converter of texas 3600 stall, b&m megashifter, k&n cai, 58mm tb with matching 58mm intake, aeromotive fp reg, Ed Quay pro mod spoiler, nitro daves wet nitrous kit with a 150 shot, strange 12 bolt with 4:30 gears and tuned by Jan 27, 2022 · It’s got a built 350 with a 4L60e tranny which was built for 550HP. Below that RPM Level V 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; Heavy Duty Double Caged 29 Element Sprag; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Shift Solenoids; New GM Valve Body Spacer Plate; GM Filter; RPM Spec Jun 23, 2016 · So, no you don't have to change the upshift mph to match the shift speed due to the higher rpm. my transmission builder told me he never sees good results on sd tune with 4l60e. You will need wheel speed,final drive ratio and tranny ratios to determine that. 3L SBF, Dart SHP 8. Since it is basically and electrical signal sent by the PCM (based on input from the engine) that tells the tranny when to shift. This is an OPTIONAL connection Apr 8, 2019 · Has anyone played around with the shift settings? What settings change shift firmness and shift points? I have a built 4l60e with 2000 rpm stall converter and 2. The TCC doesn't have to be adjusted at the same time, but you'll likely Ok, You are off on the shift speeds there. May 6, 2012 · The 4L60E is broken again. It will shorten the trannys life. Find your car's sweet spot. 1. Thanks 4 input and you are right about speed density and pressure . The "RPM/VSS Ratio" and "4wd Low Reduction Ratio" calibrate the bin for tire size and gear ratio. Limp mode is a protective state that limits your vehicle’s performance to prevent further damage. I usually get either a laggy shift or a terrible slip (I'm talking RPM surge, no power while it tries to grab the gear) during 2-3 shift below ~2500 RPM, a sometimes lagging shift below 3500 RPM, and a usually noticeable lag or sometimes slip from 4400 RPM or more. Commonly not included on aftermarket transmissions. There should be a shift table using speed vs %TPS. 93 K1500 5. shift 1. 9 inches: Case Material: Die cast aluminum Originally a 2 piece case (integrated bellhousing/gear housing with removable May 7, 2019 · Here's an update regarding shift firmness. LT-1 6 speed, underdrive system, k&n cold air intake. It’s hard to tell what gear it’s in, but I’m confident it never hit overdrive. Flowmaster exhaust no cats. 300. Optional Gear ommand 1996-2008 Holds Manual 1st--2nd--3rd to any RPM-- ackshifts to gear you select. 3 LH6 w/ Texas speed cam 212/218 600 lift. Truck has a bad lag between shifts at WOT. Page 56: Final Drive Ratio Jun 30, 2010 · Look at the throttle blade as a 90 deg angle ,0 degrees closed throttle and 90 degrees wide open throttle. . May 15, 2017 · These two things are main inputs that the PCM uses to command a shift. From what you described, the 4wd Low ratio needs some adjustment. Just don't got over like 90 psi, scale them back down by hand if they do. This seems to be more frequent on the normal shift pattern. Also all the torque converter lock-up functions work. I am planning on machining my own to go there. Mechanic, I made the adjustments you listed and it didn't exactly fix the issue. While the 3. MSD will take the mystery out of setting up or programming an automatic trans with the Atomic Transmission Controller. Fluid Check: The transmission Learn how the 4L60E 1-2 Shift Valve works (and the 1-2 shift solenoid)(Shift Solenoid A). 3 vortec and 4L60E with a big lift and 35" tires. It shifts thorugh 1-2-3 without any problems but will not shift into od. com Address: 158 Hemlock Cove rd, Sunset, SC, 29685 This work and the ideas and processes contained herein are the exclusive property of Dec 4, 2017 · Even when trying to accelerate fast. Actuates an alternative shift point and shift firmness setting. 50 The problems i?m having is the truck will not shift at WOT also it will not go into lock up on the converter, I can command it to go into lock up but when i do it starts to surge. How to Improve the Performance of Your 4L60E Transmission Aug 25, 2019 · Hey guys, I recently got done swapping out my junk trans with a oreillys 4l60(700r4) on my 92 chevy and I wanted to know what its normal shifting rpm is supposed to be? My speedometer doesnt work after the swap idk if i missed something or not but i put new sensor into it and nothing happens Tables D0701-3 set the pressure during each shift (and after the shift the pressure is reduced back since the clamping requires less pressure than applying (spinning up component)). Last week on our 1965 Pontiac Lemans we showed you the setup of a 5. connect the TACH IN / RPM MODULE wire in the WIRELESS EZTCU™ wiring - harness directly to that terminal. 6x9 MB Quart rear speakers. ). Use this Support Those Who Support The GarageFor more tuning content check out our partner Elite Tuned School:http://www. I have checked the column shifter and it functions like it should with the cable disconnect. I know the shift kit is adding line pressure, but I thought I could reduce it some with TQM settings. Its got no tach, but was running 3. just so I understand correctly, if I choose the proper settings the Fitech will shift the trans properly ? can I go in and adjust shift points for more of a street / strip performance mode and then switch back to a street mode? thanks in advance for RPM Level VII 3-4 Clutch Pack; RPM Reinforced Sunshell with Collar and Bearing; 4L65E Low Roller Clutch; Billet 4th Gear Servo; Transgo HD-2 Shift Kit; Corvette Servo; Wide 2-4 Band; Updated Aluminum Accumulator Piston; Bushing Kit; New Shift Solenoids; New GM Valve Body Spacer Plate; GM Filter; RPM Spec Clutch and Band Clearances; Seal 2 US Shift Transmission Control System instruction and operation manual. Torque - Normal: Normal Mode desired shift time) from 2-3 @ 270lbft, shift time showing 0. Apr 17, 2005 · The Lokar mounts to the tranny, you can retain the original 5 speed shifter boot and hole in the floor, and it has a linkage with baby heims that goes right from the shifter to the tranny. Oct 19, 2020 · Getting set to connect my column shift to the 4L60E transmission. Special safety note: Never throw any 3-speed transmission into neutral when you cross the finish line, leave the transmission in high gear as you slow down. As a general rule, shift scheduling, part throttle shift (100% pedal column) , full throttle shift speed and full throttle shift RPM should match. The truck is still driveable, and shifts fine under light load. The quality of the shifts is most affected by the separator plate hole sizing, choice of spring behind one of the shift valves (can't remember what that valve is called), AND, VERY IMPORTANT - running the "093" (Vette) servo. You can adjust it's mount front-to-back, and you can also adjust the angle at which it sticks out of the floor (to clear dash, etc. e. Stands to reason that is my throttle reduction and I confused it with a TM issue. This burns the 3-4 clutch and hazes the band. This issue is only obvious in 1st to 2nd and 2nd to 3rd gear changes. 5 second delay from when the lever is moved 4L60E shift pattern 10-24-03 03:47 PM - Post# 324279 My 1994 Blazer 4x4 has a 4. In my case, this was accomplished by adjusting the transmission throttle pressure cable only 1/4" (0. Jan 26, 2013 · Shift cable adjustment 97 4L60E. Look at the power curve as a 90 degree angle as well. Problem is, no matter how low you command lockup speed, it will not lock in 4th below 45 mph. IE, most truck setups with a 3. Make life easy by making the main table flat from your kickdown up to 100 %TPS. Thanks Hello gurus, I'm running a cammed 2000 5. I have two Heim rod ends and a piece of 3/8 rod I see that several people are using the Lokar kit with the adjustable bracket that attaches to the transmission. 3 on 14 lbs and its 6500 lbs truck so much harder on it then if was 3400 lbs and 800 plus hp. Highlight the entire section from 0 to 440ft lbs or so and add 5-8% more line pressure. Thread starter superdave; Start date Jan 27, 2019; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may starts above 6200 rpm’s (varies) and creates a leak in 3rd that gets worse and worse with more RPM. I'm trying to actually reduce the firmness of the 1>2 shift, especially when cold, as it feels way too firm and I'm concerned the current settings may be hurting the trans. Is this the right way about going to doing this? Oct 16, 2006 · You can increase the decimal precision for the WOT Shift Speed vs Shift table and change the mph by . Should I go with performance shifting, or will it annoy me with shifting at higher RPMs? I don't care about performance much, just want a decent daily driver with reasonable power and good MPG and least noise. Note: Always use a 2 or 3 step RPM rev limiter, most cars like RPM between 3,000 to 5,800. Pin . . I'm just not sure which way to go. The 1-2 shift shortened, 2-3 shift was soft, and like Alvin mentioned there was the slip flair on 3-4. 73 gear, 4l60e, and 29" tire, will be 40mph across the board for 1>2 shift, 78mph across the board for 2>3 shift, and just max out the 3>4 shift row. If you do use it to adjust your shifts, you are not going to do any good. Elsewhere in this story we’ve listed the ratios of both the TH350 and the 700R4/4L60E. Full throttle shift speed, and full throttle shift RPM. Will the 26 inches and 3. Take that data and add about 5% to the TPS values and use it to create the upshift curve. Feb 13, 2023 · 4L60E & their derivatives either need a different 1-2 Shift Valve (Shift Kit) OR tune the PCM to no longer force a 1-2 upshift electrically. Also, as already stated, change your shift time to . When you're driving down the highway in third and mash the gas pedal it tries to shift to second but the tranny doesnt grab at all, the engine just revs and hits the rev limiter. 3 liter LS engine with a 4l60e. General 4L60E Information B&M’s 4L60E Shift Improver Kit was designed to provide firm Seems some people agree/disagree on various posts concerning certain 4L60e upgrades; - shift times (some say stock, others say adjust) - torque management adjustment - some say with shift kit installed - set everything back to stock settings (others say don't) - torque converter locked/unlocked in 3rd This is Part 2 of my B&M Automatic 4 Speed Shifter kit installation Video Series! full deets on how to install and adjust the shifter cable!Feel free to ask Quick 2 is a simple control solution for your 4L60E, 4L80E, 4R70W, E4OD, or 4R100 transmission, making them work in a wide variety of vehicles, including ones not originally equipped with electronic control. Thanks for the replies, gonna raise them and see how it is. What I do is replace the accumulator piston with an aftermarket one and use the accumulator springs from an older 700r4 shift kit then I "adjust" the servo so that it has between 1/16"-1/8" (closer to 1/16" the better) of travel inward before it stops moving Apr 16, 2016 · Increased fuel cutoff rpm on the engine Increased shift rpm and shift speed in mph on 1-2 and 2-3 shift by 5% Definitely firmer shifts than before. 7l 4l60e. The Atomic Trans Control Module (TCM) is based off the popular Atomic EFI Apr 29, 2009 · here is a formula to help with shift points man. A shift kit will override some of the electronic functions such as PWM (Pulse Width Modulation, aka, soft slip in for panty waste comfort) and shift pressure and do so mechanically. Here’s what I know so far: Symptoms No Shift into 3rd Gear: The transmission shifts into 1st and 2nd fine, but when it’s time to shift to 3rd, it just hangs there. The TCU will be Sep 10, 2011 · My desire was to have the 1-2 shift and the 2-3 shift occur at a higher road speed/<br /> <p>engine rpm and to have a more sensitive kickdown. So, after a few conversations with FiTech, a burnt up transmission, and some interpretation, I finally figured out the correct adjustments to increase line pressure. or, just do a transgo HD2 shift kit. There is no reason to settle on just three gears or the kickdown linkage of an automatic transmission with the number of electronically controlled four speed automatics that are available these days. Use a 3/16" Allen wrench to tighten the Jul 23, 2020 · C5 Scan & Tune - 4l60E + 3200 Stall - What to tune - Hi, I am working on my fathers 2000 Corvette auto (4l60E) that was freshly rebuilt. Oct 3, 2023 · The nice thing about the 93 and up 4L60E is the full throttle shifting is programed and can easily be modified it you have cam installed. I try to make it a lower than the shift speed due to rpm as well as the same as the main table. Harsh shifts can make the drive uncomfortable and are often a result of incorrect line pressure settings. good luck!! The 4L60E shift points are controlled by the PCM, and part of the tuning you can do with this software is adjust those shift points. PNG Pete. Your full throttle 1-2 shift RPM looks nice and 60E-safe for the Normal table, but the Performance table is too high for my liking (don't know if you even have a switch in the truck to put it into performance or tow/haul mode to use those tables). Do you think this is an adjustment on the TV cable. com Address: 207 Mistr Lane, Pickens, SC 29671 This work and the ideas and processes contained herein are the exclusive property of It doesn't work with the 4L60E because,,,for one thing, it's electronically controlled to shift at a predetermined rpm (say 6,000) just like a governor would do in a 350 or 400 turbo. 3-4 lutch and 2nd and urn-up-- ang, ump or Slide ump 1-2, 2-3 Shift Reduces code P1870, converter slip/shudder. make them match between normal shift and wot shift for both normal and performance. 84 1st and 1. The shaft speed signal is in part generated by the reluctor wheel sensor which picks wheel's tooth on the reluctor wheel, which generates and sends a small signal to the computer to amplify and finally process as a digital signal. I am wanting it to be full manual. What I have done before. Like I said before, the maximum torque isn't reached until you hit around 3,500 RPM. RPM Module Installation Notes: • Do . com Address: 158 Hemlock Cove rd, Sunset, SC, 29685 This work and the ideas and processes contained herein are the exclusive property of Jan 6, 2013 · In my experience the problem is a combination of the 1-2 accumulator and the servo needing to be "adjusted" for lack of a better word. comCheck out the latest tuni Jan 30, 2009 · So, in a nut shell, you are up to speed. Its part throttle where im having a bit of difficulty. Jan 2, 2015 · The engine was rebuilt and has a TSP 228R 112LSA, Prof Products "Ls6" manifold, Professional products 85mm throttle body. 4L60E: 350 ft-lbs (488 N-m) nominal engine torque: 4L65E: 380 ft-lbs (515 N-m) nominal engine torque: 4L70E: 400 ft-lbs (542 N-m) nominal engine torque: Maximum Shift Speed: 6,000 rpm: Maximum GVWR: 8,600 lbs: Case Length: 21. 3. I've tuned some vehicles that I first set the WOT rpm to were I wanted it, and then had to fine tune the wot shift mph table in order to get the wot shift rpm right. GO-SHIFT Electronic Transmission Control TCU. Including torque converter braking, for down hill, if you have cruise installed. It also does not solve the cross leaks that can burn out the L/R clutches and 3-4 clutches, nor does it correct excessive 3-2 downshift overlap that wears band and 3-4 clutches. It does great except the 2-3 shift above around 60% throttle. I also hear that the cable is the same for the 4L60E as well. Once you have the final adjustment done, tighten the jam nuts at both ends of the stainless steel rod. The transmission was slow to shift 1>2 and then would quickly shift through the rest of the gears and sit in 4th. I know this is a old thread but hoping on getting some information on tuning my 4L60E trans. I tried manually shifting from 2nd to D, and allowing the trans to shift itself in D and OD, but same result each time. Apr 28, 2018 · Looking to do some modifications to the shift table on my 94 c2500 with a 4l60e trans. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Or that 3-4 drum is possibly cracked. Even at 90mph, overdrive never kicked in. It?s a 2005 Chevy Colorado 4x4 I installed a 5. 62 3rd. Once you're above about 2500 RPMs an you let off the gas it will shift from first to third. Populate the above tables with the same values are their "Normal" mode counterparts. When the engine gets to 6,400 RPM then trans will generally wait until it hits 40MPH before commanding the shift and vice versa. At the moment it will change itself into 2nd. 5K views 5 replies 4 participants Also you can adjust the shift pressure. Mar 1, 2010 · First off the A4 needs to satisfy TWO variables before the shift is made. com Baumann Electronic Controls, LLC. I was great at the 4l60e, but i picked up a gmc sierra Denali and I hate the way it shifts. 06 2nd. It feels like the trans is trying to shift into od but nothing happens, I think the clutches are gone. Now the way there, it did alright. Finally it flairs or won’t even complete the 2-3 shift. Ie only shift when i tell it too. Mar 30, 2019 · To change the shift point speed you need to change the speed in the shift tables. It seems to have very delayed shifts particualrly going from 1-2 but all gears. I build for a living and run 4l60e in my 07 Tahoe with an lsa blown 5. Mar 23, 2009 · The actual shift time is determined from the time that the PCM commands the shift to the start of the engine RPM drop initiated by the shift. Jun 11, 2010 · Anyway, sending the PCM back to the tuner to reflash it for 3. & seal. Dec 6, 2013 · I've found that for any transmission in decent shape, the best choice is ZERO washers, regardless of TC stall rpm. Turbo SBE LQ4/4l60e/9 . I converted the First issue - the stock converter tables lock the torque converter in 4th gear at 45 mph, which is around 1600 rpm. Then determined there was low pressure that wasn't rising with rpm and/or load in any gear other than slightly when initially shifting to rev. till it breaks in also one thing my shop recommended to me was if you have harsh winters and are running late when Nov 2, 2018 · When I take off in 1st under normal acceleration, it will not shift until 2200-2300 rpms. Jul 10, 2005 · shift points on the turbo400 have to be adjusted from either the modulator adjustment or the governor,with springs and weights. elitetunedschool. Next question how do you adjust the transmission shift point's on a 4l60e transmission after a gear ratio transmission change. 75) A4 Trans Ratios are 1st. To start off, this is has to do with my experience with the 4l60e that has 180,000 miles in my 1500 4x4 Z71. The problem is I can get the shift linkage to adjust short enough. (A tire sanity check value is provided alongside so you can check the trans tire size calibration against the speedo tire size calibration. Is there some kind of computer shift point that needs to be changed? Line pressure adjustment? Just doesn't seem right the way 4L60E, 4L80E, TCI ® 6x Six-speed Gray : 13 . Jul 20, 2017 · Once you run it you can change the shift points and tcc lock up speed of needed. 7-bone stock Recently had a reputable builder put together a basic 4L60E. 8 Billett 2800 RPM stall and 4. '92 Ford Mustang GT: 385"/6. With the new EPC the trans shifts 1-2. My tuner did raise the lockup speed to around 65mph, I did notice that right away. The only torque management i did was took 50% of torque reduction and set the whole desired shift time to 0. 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 (. Pro 5. I'll adjust the shift points a litttle lower to provide more room to stay under the 6500 rpm limit. www. Currently, I am putting a carburated LS/4l60E in a S10. The 3/4 clutch Oct 9, 2024 · Harsh shifting and entering limp mode are significant red flags for your 4L60E transmission. Right now it shifts into 2nd at 15mph if my foot is in it or not and into 3rd at 28 or so US Shift Transmission Control System instruction and operation manual. 42 gear ratio , change to 26 inches with 3. The difference in being able to shift a built 4l60e higher is that the internal components are much stronger than a worn out factory unit, and most high performance 4l60e builders know how to make them live in the higher RPM range. Sep 21, 2008 · There are two tables. rkmi sbday uuppok powy kssxawo leeghp taddp ximrg dowxcwb fedsmxy