I cant remember a single transmission built in the shop that didnt include some modifications to improve shift performance. Next, remove the retaining clip on the kick down or detent linkage and then remove the lever that actuates the valve and the link that goes up through the hole in the case to the detent cable. Replace the stock spring with the white spring from the kit. Always install the detent and roller spring assembly last because it can push the valve body out of position slightly. Notice also the higher speed Transmission FAQs: What does a Shift Kit Do? What Transmission Do I Inspect the gear for wear or damage and replace it if necessary. This is where modifying the shift program with shorter/firmer shifts helps to transfer the power without a lot of wasted energy, and minimizes wear on the band and friction linings. Move down to the 2-3 shift valve assembly. (We do not sell direct) You can make it last for a while by backing you power down and take it easy on the 4-5 and 5-4 shifts. yea we had the trans rebuilt and all this stuff was added along with new clutches and stuff. everyone ive talked to said that there is that piece and to not use it. TransGo Shift Kit Installed | Mustang Forums at StangNet the shifts are soft and when a sct is added to it the truck wont shift right at all. Install the gold spring under the modulator valve. Use your Summit Racing SpeedCard, and get 10% back!Get Details! By road testing and making small adjustments, you can fine-tune the shift points for the best vehicle performance. Ph. And we spend hours under the hood or around an engine stand in an attempt to wring every lastbit of power from an engine. Overlap is a condition caused by applying Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Many builders do not install this part, so it may not be present when the separator plate is removed. The valve body usually comes off without much effort; it is often pushed off the separator plate because the direct accumulator and spring are compressed against the intermediate band servo piston. so i did and it shifts like crap! Install the TransGo separator plate. The springs control pressure produced by the oil pump and also affect transmission function. The next step is to remove the governor to install new governor springs. Installing stock gaskets can result in poor transmission performance and clutch failure (keep them far away from your assembly during the shift kit installation). The transgo kit for the 6.0 is around $50, the transgo for the 6.4 is around $165. less wear, too. This tightens output shaft play, and at the same time reduces how much shim is required at the front pump thrust washer (the Torrington bearing on later units). Filed Under: Chevy Tech Tips, Transmissions, In this article, I am going to rebuild a Delco tall-cap distributor from the ground up. CHEVY TECH TIPS Chevy DIY Chevy Muscle Car Tech Tips, Guides, Articles & How-To GM Turbo 350 Shift Kits and Performance Modifications Guide I can't remember a single transmission built in the shop that didn't include some modifications to improve shift performance. Not only does power slip away during this To get high Greg & Team are amazing! With the gold spring in place, normal driving upshift points are slightly earlier. When trying to remove a retaining pin from a blind hole in the valve body, it may help to turn the valve body over and tap on the sleeve very gently with a screwdriver handle. It doesnt often get the same respect or attention as the engineuntil it starts acting up. FOR THE HOME MECHANIC AND DO-IT-YOURSELFER This chapter deals with the cam side of the valvetrain, including the rocker arm. A large flat file works well for this purpose. The subcomponents of the shift kit are categorized and bagged together by association. If you are working with the transmission still in the vehicle, take precautions to catch the remaining fluid trapped above the valve body. The Fora platform includes forum software by XenForo. The guy who installed your transgo, did he use the one for the 6.0 or the 6.4? Transgo TH400 PRO shift kit | Team Chevelle Remove the support plate and then remove the factory separator plate. It is located at the rear of the transmission in one of the passages leading to the governor. Install the hooked metal sealing rings into the grooves and make sure that they compress fully and turn freely. ( 1 ), Shift Kit, Stick Type, Full Manual, GM, 4L80E, Competition, Off-Road, Pro-Street, Each, Shift Kit, Stick Type, GM, 4L60E 1993-2005, Competition, Off-Road, Pro-Street, Each, 5.0 out of 5 stars A five clutch drum is much more desirable and recommended for high performance use. Installing stock gaskets with the kit can result in poor transmission performance and clutch failure. Figs 1 and 2 show the results. Here are the contents of my shift kit. By better utilizing the energy normally turned into heat by slipping during extended overlap, shift kits allow you to instead use that inertial energy for forward motion with quicker shifts, therefore youre also able to notice improved city fuel economy. and another guy had the same problem and his truck is at TSD right now with a blown up tranny and he has that same thing drilled and tapped into his soleniod body. The roller clutch is actually a very strong part and by design it is extremely effective at stopping the movement of the drum quickly and effectively. The kit was an easy install and the filing was easy and it's apparent Transgo has done their homework. Never miss a sale on new parts, tools, and more! They quoted me a very reasonable price and found the most cost effective solution that included a good warranty on parts and labour. I have a 2013 Chrysler Town & Country that chirps when decelerating generally between 30-20 mph. Once all the springs are installed in the valve body, take a few minutes with a small flat-blade screwdriver and check the movement of each valve. Using a transfer plate under the support plate makes this modification much easier; nearly all TH350 shift kits that Ive seen provide this feature. Its usually easy to access and only takes a few minutes. Products like the TransGo SK-47RE Shift Kit, TransGo 5R110W-SK Shift Kit, and TransGo SK ALLISON-JR Shift Kit TGSK2 improve the transmission on your Powerstroke, Cummins, or Duramax vehicle. ( 4 ), Shift Kit, Performance, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH350, 1969-81, Kit, 4.37 out of 5 stars You should also consider the B&M TV cable, which can be used for conversions as this is an adjustable length cable. This is the aftermarket drum with a 36-element sprag clutch. Best transmission shop in the (Centennial Pkwy.) The stock input shafts are weak at the upper lube hole. I'm just curios on which transgo kit your trans guy put in. Remove the retaining pin, sleeve, valve, and 2-3 shift valve spring. Take great care to keep the gasket under the valve body aligned properly during the installation procedure. What does TransGo shift kit do? - Camomienoteca.com Transgo Shift Kit Review | Ford Powerstroke Diesel Forum It It has witness marks on the topside where it rests against the 2-3 accumulator. Anyone whos been into an early TH400 transmission or its late model 4L80E knows that the factory used a sprag clutch on the direct drum for increased durability over the roller clutch. The springs can be mixed and matched for custom upshift points from earliest to latest. This has always been a sore spot for early transmissions. Because you are working on the transmission out of the vehicle and it has not been previously modified, note the location of the four check balls and remove them. Visite one of our locations! All rights reserved. Clean the transmission case and then blow it dry with an air gun. Also, consumer In Stock at a Summit Racing Location. By Mister Transmission Tags: Automatic Transmissions Today's customers demand a transmission which shifts smoothly, is durable, and delivers excellent fuel economy all at the same time. The 36-element sprag clutch has smooth inner and outer races like the upgraded TH400 and 4L80E direct drums. The installation of the TransGo shift kit also provides full control of upshifts and downshifts to any gear at any vehicle speed. Ph. the transmission. extended shift, but all friction surfaces receive excessive wear because they The TransGo 350 1&2 kit has very specific instructions and options for the installer, so pay close attention to the instructions during installation and follow the choices based on the intended use of the transmission. Isnt the rotor the part that revolves and the Stator the stationary part of an alternator? shifts. To figure things out on your own, you can view the diagrams by clicking the links below: If youre trying to fit a different transmission into your chassis, or if youve got a custom project in the works, youll need to measure the tranny to make it fits. M-F 8:00 AM to 4:00 PM PST When applied, it becomes physically impossible for the outer race to turn in the opposite direction because the rollers wedge tightly into the notches; the rollers will not fit through the remaining gap between the races. The TransGo kit is engineered to improve transmission performance without making the transmission have window-shattering shifts at any load or RPM. Factory specification for input shaft endplay is .010 to .044 inch. Install the TransGo separator plate gasket and the factory support plate. Thats where youre going to put your border. ( 12 ), Shift Kit, Automatic Type, Chrysler, Torqueflite, 3 Speed, Full Race Shifts, Each, 4.77 out of 5 stars A Race Winning Brands Company. Tighten the support plate bolts gently while keeping the gasket and separator plate holes well aligned; torque to 75 in-lbs. (even more in the Competition version) and at the same time improve the quality Also included is a gasket thatgoes between the TransGo transfer plate and the factory support plate, which greatly improves sealing; it effectively seals off the transfer slot. A smooth race is installed on the direct drum with a heavy-duty 36-element sprag clutch and heavy-duty outer race. I want to install a shift kit into my transmissionwhich one should I install? Most kits offer depending on the type of shift kit. I always install the detent and roller spring assembly last because it can push the valve body slightly out of position.Install the detent lever using the new spring clip provided in the TransGo kit. The red spring is for street cars and heavy-duty applications. With your foot on the brake, put the selector in Reverse, then into Drive, Low 1, Low 2, and then back into Park. Boost Valve, GM, 4L60E, Each, 4.8 out of 5 stars Like I mentioned, it is a fairly straight forward install, but I didn't want to deal with the mess involved! ( 15 ), Automatic Shift Kit, 6L80, 6L80E, 6L90, 6L90E, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit, 5.0 out of 5 stars Using one for a 700-R4/4L60/4L60E transmission provides another bonus: a stronger low/reverse roller clutch. Its quite a bit more expensive than upgrading the direct drum on a TH400 transmission, but is highly recommended for any TH350 that is going to be used in a high-torque/ high-horsepower application. A hard blow can damage the housing and reduce governor endplay. These can be fine-tuned within a narrow range by adjusting the tiny screw after removing the vacuum modulator hose. Oct 13, 2009. throttle a sudden forward lurch can be felt when it shifts, very similar to a When the fluid is thick when the car is cold, the trans will work good because the fluid will not leak pass the valves, when the car heats up the fluid thins out and starts to slip and flare because of the bore wear. At Mister Transmission we have access to leading-edge diagnostic equipment, enabling us to offer you the fastest and most accurate findings about whats going on inside your vehicles transmission. It also comes with a spiral retaining ring to keep the retainer in place. If the transmission has not been modified, four check balls are under the separator plate. This screw can be used to fine-tune upshift points after the transmission is placed in service. Their equipment is of excellent quality and delivers dependable outcomes while remaining cost-effective. As is the case with many other transmissions that have seen high-performance use, a few areas are weak enough or frequently give problems that they should be addressed during the rebuild. Ships In a Few Days. By decreasing endplay or fore and aft movement of the internals while you are in there, your transmission is going to last longer, seal up better at the rings, perform better, and have less gear noise. Never hit the cover with a steel hammer or with a hard blow anywhere other than the ange because you can damage the housing and reduce governor endplay. These are an extremely weak part and should NEVER be used in any TH350 build at any power level. The governor drive gear is plastic. Mine acts perfectly normal, although firmer than stock, during everyday type driving but will bark the tires during shifts at WOT. This means taking apart everything, thoroughly cleaning and replacing any broken or unusable parts. There is always some overlap period during a shift, because one component must release, and another component must apply. TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. (138). Through the years, many transmission builders have developed their own custom modifications to improve shift performance. Remove the governor screen for cleaning. REPROGRAMMING KITS, SHIFT KITS AND OTHER TRANSGO PRODUCTS had it put in while the tranny was getting built and the guy that built it said it was good to put in. (Yes, the Summit Racing guys were kind enough to supply the answers too.). Boost Valve, GM, 4L60E, Each, 4.8 out of 5 stars Install the separator plate to-case gasket from the TransGo kit. TransGo Kits instantly re-program automatic transmissions for high performance and durability. Set up the apply piston in the lathe and check for run-out. Terms of Use | Privacy and Security | Site Accessibility To keep it in place, use a little petroleum jelly. The (aftermarket) hardened race in this photo survived 71 high-10-second dragstrip runs behind a high-torque 455-ci engine before it exploded. Shift Command, a special feature of our re-programming that allows you to shift The suggestion; ask them to change the serpentine drive belt and note changes if any to the chirping sound. The plastic gear is easily damaged if it is dropped onto a hard surface. It improves both shift firmness and timing. ( 52 ), Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit, 4.95 out of 5 stars First step is to open up the bags and inventory the parts. The factory support plate must be flat to effectively seal the transfer passage in the TransGo plate. Lift the valve body off the case; take care not to drop the S-link to the manual shaft linkage. Instructions/Technical Bulletins. Learn how your comment data is processed. so i know im not the only one that has it. Never go less than .030-inch clutch pack clearance on the direct drum. Its also a good idea to smooth out any file marks left from this operation before installing the plate. amount of efficiency and durability. If we make it, you can be sure your transmission will benefit from having it. For big-inch engines, or anything making more than 500 ft-lbs of torque, an aftermarket hardened input shaft should be on your parts list. Check that it is fully seated all the way around the housing. of the shifting action itself. Locate and install the TransGo separator plate to-case gasket. Jul 17, 2023 not sure which kit but i would never use any of it again all the top tranny builders i have talked to said that you dont need that kit anyways if the guys doing the tunes know what they are doing and i know chris at TSD and Matt at gearhead know what they are doing i just want to put this out as a warning not to use it. Start the vehicle in Park and continue to add fluid until the level is approximately 1/4 inch below the full mark on the dipstick. Install a new seal on the governor cover. ( 26 ), Shift Kit, Automatic Type, Ford, AOD, Hi-Rev, Muscle Car Shifts, Each, 4.43 out of 5 stars Most bushing kits come with two options: either a narrow or a wide bushing. Its this overly smooth, disconnected feeling that earned early automatic transmissions the label slush box.. When this happens, there is a pressure loss to the clutch drums and the transmission shifts poorly and fails quickly. The results are firmer shifts and reduced slippage and shift overlap. These are the reasons that you use the TransGo shift kits. Now keep in mind that this type of pulley is much more expensive than the traditional pulley, therefore the manufacturers will not install them on every single new vehicle produced. At a builder level, you need to be concerned primarily with shift performance in relation to improving durability of the transmission. Since 1963, Mister Transmission is the name Canadians trust to provide them with high-quality transmission repairs and expert service. Overlap is also extremely important. ( 2 ), Shift Kit, Automatic Type, Infiniti, for Nissan, Jatco, 5-Speed, Kit, 4.86 out of 5 stars It's only designed to correct the possibility of blowing out the lugs on the trans case. Make sure to position the link to the detent cable up through the hole in the case. Trans-Go kits cut slipping time by more than 70% If you are an international customer and would like to change the currency that prices are displayed in, you can do so here. The problem with the 09G Transmissions is the valvebody, the main problem is bore wear. The vehicles weight, tire diameter, and gear ratio play a role here as well. Place a large pan under the transmission and remove all of the bolts except for a couple at the front of the pan. Unique kits re-calibrate the transmission to shift far more efficiently. Some builders even tack-welded the stock snap rings to the retainer to prevent this from happening. Results 1 - 25 If the transmission is being rebuilt, always use a wide bushing at this location. I highly recommended that you replace the old modulator. ( 21 ), Automatic Transmission Valve Body, GM 4L80-E, 4L85-E, Performance, Each, Shift Kit, Automatic, Full Manual, GM, 700R4, Towing, Competition, Pro Sreet, Each, 4.32 out of 5 stars a transmission is directly related to the amount of slipping that is allowed to Thank you Frank! Once all of the bolts have been installed and are finger tight, you can tighten them with a socket wrench. Realizing it's a warranty issue that most likely won't cost me very much at all is good news after I've already thrown almost $4000 into it. At this point, you have two choices for valve body installation. The shift kit won't fix it now since you have already limped it. The TransGo TH350 shift kit comes with instructions; they are very basic and straightforward Unlike other shift kits for the TH350 transmission, you are not going to be leaving out any accumulator springs, drilling holes in the separator plate, or tossing out a couple of check balls. This is a nice feature as it ensures that the holes are perfectly aligned during the installation. Tomorrow, Shift Kit, Automatic Type, Includes .500 in. The actual painting part is only completed, when all the very important preparatory work is com- pleted, and to get a good job done, all that prep work has to be done right. ( 8 ), Shift Kit, Shift Improvement, without Auxiliary Valve Body, GM, 700R4, 4L60, Each, Shift Kit, Performance, Ford, Lincoln, Mercury, 1970-83, Automatic Shift, C-4, Each, 4.74 out of 5 stars The results are firmer shifts and reduced slippage and shift overlap. Excessive overlap as seen in the Fig. Starting with anything [Click here to read more], Saginaw 3-speed manual transmissions were used in the base model for all the Midyears. 4L60 E Transmission Transgo Shift Kit - YouTube Transgo Shift Kit.good Or Bad? - Chevy and GMC Duramax Diesel Forum This requires extra care to make sure that you dont move the gasket out of position. Find TransGo Performance Shift Kits and get Free Shipping on Orders Over $109 at Summit Racing! Never miss a sale on new parts, tools, and more! is eliminated with Trans-Go Re-Programming. dont buy it. Watch the video and decide whether you want to do the . They may also include custom modifications to dual-feed the direct clutches in a manner similar to that of the TH400. Later units used a Torrington bearing behind the pump. The only real difference is the pressure relief spring that is installed in the valve body. Dan and Bob were very professional, extremely informative and got my 2014 Ford escape transmission rebuilt very promptly. The kit also comes with special gaskets with holes that work in conjunction with the custom separator plate. Use your Summit Racing SpeedCard, and get 10% back!Get Details! Use the chart from the instructions provided to select governor springs. separator plate to the case and then remove the factory separator plate. All of the other valve body bolts should be tightened gently by hand and snugged down, but not torqued in place. Clean the valve body thoroughly with brake parts cleaner and blow it dry. The governor springs can be mixed and matched for custom upshift points from early to late. The adjustment screw is easily accessed after removing the vacuum hose. If the transmission is being overhauled, the direct accumulator should be removed to drain out all of the old transmission fluid. Remove the oil pump pressure screen, if one is used. David Fuller is OnAllCylinders' managing editor. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance, and more! If wear is very minimal, use a small jewelers file to clean up the grooves so the rings move freely. Its also a good idea (but not necessary) to remove the direct accumulator and spring because some old transmission fluid is trapped under it. This is not a performance shift kit, it is designed to address most of the commo. That means nothing smaller than 427 inches. Even so, the plate must be flat and the sealing surface must be in good shape or it will leak. Factory programming includes an excessive amount of overlap. Even though a gasket is used, a heavily warped plate may leak, which causes poor shift performance and clutch failure. A local tranny shop here, who's been in business since Moby Dick was a minnow swears on the TransGo kit. Why do they make the transmission shift harder? period during the gear changing process, resulting in unnecessary heat, wear Case wear at the center support lugs is a common problem with TH350 transmissions. Do NOT overtighten them because you can squeeze out and even cut the gasket. Trans-Go re-programming achieves durability and performance. Remove the transmission oil pan. The early units used a single O-ring on a recess in the tube. Its also a good idea to smooth out any file marks left from this operation before installing the plate. The best gasket to use here is fiber, although cork does a fine job of sealing the pan if it is installed correctly. That transmission also has the high-performance upgrades outlined later in this chapter, but does not have huge separator plate hole sizes, disabled accumulators, or removed check balls. has made the difference between a few months service without repair and several Make sure that all of the other valve body bolts have been tightened gently by hand and snugged down, butnot torqued in place. This is done purely for smoothness. ( 17 ), Shift Kit, Automatic Type, Chrysler, Torqueflite, 3 Speed, Street Use, Each, 4.83 out of 5 stars the transmission friction materials is increased. You need to ingrain it firmly in your mind that a max-performance big-block requires many cubic inches. This increased pressure is present during both acceleration as well as deceleration. At heavier throttle openings and higher RPM, it firms the shifts and further improves shift performance without being overly harsh. Finish seating the governor cover tightly into the case; use a flat-faced punch to drive it on. The TH350 1-2 kit can be installed without removing the transmission from the vehicle. Using a hammer and large flatblade screwdriver or long tapered punch, tap the governor cover on the flange to remove it. You may also find a significant amount of clutch material and metal filings under the accumulator if the transmission failed prior to the rebuild. Some guys swear by shift kits and most transmission builders claim they are a waste of money and a transmission can be built to run better than with a shift kit. Remove all of the valve body bolts except for one bolt near the center. As the elapsed time of shifting is decreased, the life of The threads are 1/4-20 and most filter bolts are slotted, requiring a large flat-blade screwdriver. Remove the retaining pin and remove the stock detent regulator spring. Ships In a Few Days. ( 14 ), Shift Kit, Automatic Type, Ford, AODE, 4R70W, Towing, Competition, Heavy Duty, Pro-Street, Each, 4.7 out of 5 stars The factory moved up to the TH400 for those applications. For now, lets answer the basics: There are two basic ways to identify your automatic transmission: transmission pan shape and overall transmission dimensions. It is easily distinguished from the plate-tovalve body gasket; it has additional material in the area under the support plate. Use your Summit Racing SpeedCard, and get 10% back! ( 6 ), Shift Kit, Performance, Full Manual or Automatic Capability, Buick, Chevy, Oldsmobile, Pontiac, GMC, TH400, 4.8 out of 5 stars ( 1 ), Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit, 5.0 out of 5 stars The drum easily accepts five frictions and this upgrade is recommended for all performance levels of the TH350 transmission. Remove all old gasket material from the oil pan and case.
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