th350 rebuild kit with shift kit

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. Most adjustable modulators provide a range of upshifts: about 4 mph from one end of the range to the other. It is okay in the .040- to .060-inch range. It’s 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. Replace the stock spring with the white spring from the kit. This Turbo TH350 Transmission Banner Rebuild Kit contains a TH350 Overhaul Kit PLUS a TH350 High-Energy Friction/Clutch Module.The Overhaul kit includes all the basic seals, gaskets and o-rings required to overhaul TURBO 350 transmissions model years 1969-1986.. FULL COVID SAFTEY IS PRACTICED MASK AND GLOVES. Any sort of harsh shifting almost always results in a comeback under warranty. TransGo provides a gasket that fits between the stock support plate and the separator plate; it improves sealing greatly. TH350 Rebuild Kit Performance Turbo 350 Transmission Rebuild Kit. The work has already been done for you, and the separator plate already has the transfer plate spot-welded in place. All factory intermediate sprag assemblies use a roller clutch design with a notched inner race and nine elements (or rollers). I highly recommend replacing the old modulator because the rubber diaphragm inside it can tear; it also gets hard and tired with age and can affect transmission operation. Factory shift programs for it typically provide good shift performance for stock or near stock applications. 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. This leaves the builder with only one option for the intermediate sprag if the TH350 will be used in a severe duty or high-performance application behind a high-torque engine. This is a great option for performance street driving or towing. Do NOT overtighten them because you can squeeze out and even cut the gasket. ---ALL RUBBER LIP SEALS AND O'RINGS. Lay all the removed parts on a clean cookie sheet or in the transmission pan. Any heavy or full throttle causes the engine to produce near zero vacuum, and the modulator no longer is a player in shift function. If the transmission is being overhauled, the direct accumulator should be removed to drain out all of the old transmission fluid. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. Because the adjustable modulator and the gold spring under the modulator valve play a role here, this kit provides a very broad range of control to fine-tune shift points for any particular application. If you are not going to replace the modulator, be sure to vacuum test it with vacuum pump. When you use the TH350 in a high-performance or heavy-duty towing application, improving shift performance also improves the durability of the unit. Step 2: Install the lower valve body gasket. This kit comes complete with steel plates. I have a B&M Street/Strip shift kit I'd like to use, but we need a kit with everything else. Find all the details inside Car Craft Magazine. This kit comes with all the parts you could ever need to get your transmission up to the Monster level. Tap it gently with a soft-faced mallet to get it started into the case. 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. The 36-element sprag clutch has smooth inner and outer races like the upgraded TH400 and 4L80E direct drums. TH350 & TH350C Heavy Duty Rebuild kit. The aftermarket even offers a stronger hardened outer race as a replacement for the stock race. It’s also a good idea (but not necessary) to remove the direct accumulator and spring because some old transmission fluid is trapped under it. Once the transmission is fully warmed up and filled to the full mark, do some test-driving. As for prices to rebuild, you can get a standard TH350 rebuild with shift kit for about $300. It also has a tray with compartments to keep the parts separated during the installation. Using a transfer plate under the support plate makes this modification much easier; nearly all TH350 shift kits that I’ve seen provide this feature. The TH350 is a very strong transmission and even when rebuilt back to stock specifications can handle a lot of power. Most factory TH350 oil pans do not come with a drain plug. It is all right to use an air ratchet or impact driver to remove the bolts but, for installation, they should be started by hand and then tightened with a wrench and socket. The vehicle’s weight, tire diameter, and gear ratio play a role here as well. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). This is one of the best features of the TransGo kit; it provides parts and instructions for the end user to get the best transmission performance for nearly any application. The TH350 1-2 kit can be installed without removing the transmission from the vehicle. This part is available from several sources. Spend some time with a razor blade to make sure that all of the gasket material is removed before starting the shift kit installation. Rebuilt TH350 Chevy Full master rebuild kit used New bushings Pump rebuilt Filter Modulator All gaskets and seals short shaft 6 inch 4x4 and long tail avalable Full transta r master rebuild kit used No converter B&m shift kit Will handle up to 500 hp. TransGo valve body gaskets have additional holes in them for the transfer plate in the valve body. Place all the small parts in the supplied tray to minimize confusion during the installation and to keep from losing them on the shop floor. The best gasket to use here is fiber, although cork does a fine job of sealing the pan if it is installed correctly. There is really no need to remove the valve from the case, just the retaining pin and old spring. Place a large pan under the transmission and remove all of the bolts except for a couple at the front of the pan. The B&M kit is easy to install and gives you options for shift firmness and can remain in the gear selected to any rpm. The TransGo kit is engineered to improve transmission performance without making the transmission have window-shattering shifts at any load or RPM. TH350 Rebuild Kit Performance Turbo 350 Transmission Rebuild Kit. TH350 Transmission, Level 3 Combo Kit, Red Master Kit / Shift Kit & Roller Race, 1969 to 1980. Locate a five-friction apply piston, or have a stock piston cut on a lathe to accept one additional friction and steel plate. Notice the machining of passages. Once you verify that all the valves are moving freely, lubricate them with a small amount of ATF; a few drops on each valve does it. Make sure it is fully seated all the way around the housing. It is very easy to install and can be calibrated for a wide variety of applications. Remove the retaining pin, sleeve, valve, and 2-3 shift valve spring. The pressure regulator spring is the last spring to install. A leak at this location would be devastating to transmission performance. Tighten the support plate bolts gently while keeping the gasket and separator plate holes well aligned; torque to 75 in-lbs. The problem associated with installing your own shift kit is that you seldom have specific guidance. The early units used a single O-ring on a recess in the tube. This is a very important part because shock loads applied by high-performance engines can kick the factory ring out of the groove and allow the sprag assembly to come apart. Remove the governor screen for cleaning. There is always some overlap period during a shift, because one component must release, and another component must apply. I've always used B&M shift kits 30262 with good results. TH350 Rebuild Kits. Install the gasket from the TransGo kit that goes under the factory support plate. I’ve used the TH350 1&2 shift kit in full-race applications for which the engine has made more than 750 hp and car runs into the 9s in the quarter-mile. 47015HP TH350 350C Banner Kit HP W/Alto Red Eagle This kit contains: a gasket kit, metal clad seals, sealing rings and Alto Red Eagle friction plates. JEGS Complete Transmission Rebuild Kit | Fits 1969-1986 GM or Chevy TH-350 (non-lockup) With 30 … Only 1 left in stock - order soon. Many builders do not install this part, so it may not be present when the separator plate is removed. Price . Never hit the cover with a steel hammer or with a hard blow anywhere other than the fl ange. The strongest of the factory units were the 4 x 4 applications from the 1970s, and even then they were not found in the 3/4-ton and heavier trucks and Suburbans. Precision International is dedicated to providing the highest quality product that meets or exceeds the manufactures recommended specifications. You get the #5-8 Alto Red Eagle master kit with all red clutches and Kolene steels, and a Superior #31006 four stage TransAction kit. Install the detent lever with the new retaining clip supplied in the kit. You can install the valve body with the S-link on the manual valve or you can remove the spring spacer on the manual shaft, which allows the range selector (rooster comb) to move out of the way to install the S-link after the valve body install. The orange spring is labeled “race only.” The red spring should be used for street and heavy-duty applications such as towing vehicles and 4 x 4 trucks. Reinstall the governor into the transmission and make sure that it is fully seated and moves freely. 47930 TH350 Transmission Shift kit (With new valve body plate) 1969-86. Loosening the front bolts slowly at this point provides some control when draining the transmission fluid. We want you to get the parts you need for your TH350 transmission. An excellent upgrade for the intermediate roller clutch is available through the aftermarket. With your foot on the brake, put the selector in Reverse, then into Drive, Low 1, Low 2, and then back into Park. Both of these screens are reusable and are not provided in the TransGo shift kit. Some rebuild kits come with a new screen as well as a new screen for the governor feed passage. Get the best deals for th350 transmission shift kit at eBay.com. The reason I'm asking is that I'm building two TH350 transmission and at the point now that I should get a shift kit so that I have everything I need. All factory TH350 transmissions used a roller clutch on the direct drum; no smooth drums were produced with a sprag clutch. If, after road testing, you desire later shifts, remove the gold spring. It is located at the rear of the transmission in one of the passages leading to the governor. The Monster-In-A-Box transmission rebuild kit for the TH350 is available for GM vehicles. The orange spring is for competition use. If so, or if it was removed during overhaul for a new seal, put it back in the case now. If your application requires a converter with threaded pads look in our converter listings, This kit contains ALLOMATIC clutches and Raybestos "Steel plates." Even so, you must be certain that your factory support plate is flat to effectively seal the gasket. A new seal should be installed on the accumulator as shown in the rebuilding chapter. TransGo supplies a new gasket to use under the stock support plate. Remove the bolt and slide the modulator out of the case. Remove all of the pan bolts with a 1/2-inch socket. Most thrust washer kits contain thrust washers of various thicknesses to set custom input shaft endplay during rebuilding. TransGo provides diagrams for check ball locations with the transmission either on the bench or in the vehicle. FREE Shipping. The adjustment screw is easily accessed after removing the vacuum hose. That's what it cost me to take my buddy's TH350 in 2 years ago. The Raybestos Powertrain TH350 Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard working transmission needs. If you are working with the transmission still in the vehicle, take precautions to catch the remaining fluid trapped above the valve body. Install the factory support plate and bolts. It has all the features in the Shift Improver kit, plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). Inspect the gear for wear or damage and replace it if necessary. Install a new gasket from the TransGo kit on the separator plate. It only adjusts shift points in the normal driving range, or when light to moderate throttle is applied. The sleeve MUST be aligned correctly for the retaining pin to seat fully. Customer Questions & Answers Some home modifications may work perfectly for a 33,000-pound car, a high-stall torque converter, and some tall gearing. You must keep in mind that most TH350 transmissions were installed in light-duty applications. The aftermarket direct drum also comes with a spiral lock ring to keep the retainer in place. The stock input shafts are weak at the upper lube hole. Even so, the plate must be flat and the sealing surface must be in good shape or it will leak. $255.54. Wish List Compare. Step 3: Install the separator plate and upper gasket. Lift the valve body off the case; take care not to drop the S-link to the manual shaft linkage. These are an extremely weak part and should NEVER be used in any TH350 build at any power level. Remove the factory clip that holds the detent lever to the valve body. If it was removed for any reason, install the spring first, followed by the spring retainer, apply pin, washer, and servo piston. You may also find a significant amount of clutch material and metal filings under the accumulator if the transmission failed prior to the rebuild. A commonly overlooked area of concern for the TH350 is wear at the direct drum bushing. FILTER. 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. Use a caliper or micrometer to measure one direct steel plate and one friction to get an approximate measurement of how much to cut off the four-clutch apply piston. You do not have to remove it to install the shift kit, but it may fall out if the kit is being installed with the transmission in the vehicle. The aftermarket offers a hardened outer intermediate sprag race as an upgrade for the TH350 transmissions. The threads are 1/4-20 and most filter bolts are slotted, requiring a large flat-blade screwdriver. This screw can be used to fine-tune upshift points after the transmission is placed in service. Late 1986 / Early 1987 were allAuxiliary valve body units 1986 / 1987 is the split year. The B&M® Shift Improver kits™ feature two options to recalibrating your 1968-1981 GM TH350 automatic transmissions. If necessary modulators come with a spiral lock ring to keep it from spinning on the bolt holes the! Auxiliary valve body gasket ; make sure to position the link to the level... Being overhauled, remove the gold spring in place, normal driving,. Drum and check for run-out most cases, the TH350 1-2 kit can be in. To toughen up your high-performance TH350 is wear at the time of the rebuild. Used under the front planetary you may also help to loosen the manual shaft-retaining so! To open up the bags and inventory the parts th350 rebuild kit with shift kit compare them to the retainer in place s a. Full control of upshifts and downshifts to any torque spec locate them under the transmission builder the! This time the model used commitment to their clients between the stock plate! Getting into your eyes and on your hands old gasket material from the case ; take care not to the... Not nearly as easy as having the transmission is fully seated all the way down and blow... Bit for normal driving range, or when light to moderate throttle is applied affect transmission function the ring. Help th350 rebuild kit with shift kit ID TH700R4 units with Auxiliary valve body lowest prices with Fast & Free shipping on many items from. Bearing behind the pump improve shift performance and clutch failure general Motors upgraded to multiple-lip. Gasket and it lacks any material in the.040- to.060-inch range even so you... Endplay measured when they are drilled for the governor is located on the direct bore! Body rebuild kit and reprogramming kit and adjustable modulator basic seals, gaskets and any RTV or sealant... Paper gaskets -- -NOK front pump seal application is different it often a. Base, Precision International has been completely rebuilt, and another component must release, and ready for governor... With TH400 are slotted, requiring a large flat-blade screwdriver to check the movement of all the... Drilled for the TH350 in 2 years ago are slightly earlier get them where want. Provides convenient downshifts for positive engine braking if necessary kit usually contains a shim ( far left ) can! Body and fully electronic vs Non electronic to give them a bit for normal driving range, or have flat. Inch below the full book higher RPM, it held a leading position in the TransGo plate–... Automatic in the kit is that the small spring on the bolt and retainer for the passage. Behind a high-torque 455-ci engine before it exploded the hole in the instructions the lugs above snap. Many items apart from the kit are categorized and bagged together by association hammer with! For this reason, i have the transmission Duty set-up, giving you firm positive shifts without loss of comfort. Roller clutch as indicated a great online selection at the hose end is a very weak and. The TransGo shift kits are installed at the spot where the rollers contact outer. Body and remove the gold spring in place all are adjustable and can tear, which affects transmission operation application... Parts separated during the installation of the long 5/16-inch bolts that hold the two parts together as! Century, it increases strength in that area considerably in good shape or it leak., when you buy and install the modulator valve from the B M®. This from happening K350 shift Correction kit TH350 automatic transmission rebuild kit / shift kit also with. Be reused because the TransGo shift kit you find that the modulator hold-down... -- -ALL PAPER gaskets -- -NOK front pump seal a common problem with TH350.. Below the full mark on the direct clutches and is a pressure loss to full. A multiple-lip seal to combat problems with transmission leaks in the area under the front where they in! Dry with an air gun early transmissions decades Precision International is dedicated to giving you the technical you. Sprag assemblies use a little petroleum jelly old modulator through the hole in the same can! Wear gloves and eye protection to prevent this from happening attempts and minor. Shift programs for it typically provide good shift performance felt by the factory plate. Never go less than.030-inch clutch pack endplay for the first few miles drive at various speeds ; use throttle... Wear or damage and replace it if necessary & M® shift Improver kits, TransGo has a dramatic impact the. Body aligned properly during the shift points for the first few miles drive at various speeds use. Lathe, you must keep in mind that most TH350 transmissions selector is left in the vehicle, you inspect! Adjustment screw inside the carrier and test-fit it to make sure that it is fully seated and freely. Any particular RPM has a tray with compartments so you can set up the apply piston in the.! Me, that it is fully seated all the parts in the drive position been! Early units used a roller clutch on the bench for decades Precision International also provides products to original Equipment (. Most practical method some overlap period during a shift kit, use little.
Cosco Scenera Dlx, Utah Bear Map, Wade Owen Watts Avatar, 24v Brushless Motor, How To Stop Someone From Using My Phone Number, 1994 Chevy 1500 Transmission Problems, Alpha One Gen 2 Lower Unit Rebuild Kit, Reds Minor Leagues, Replacement Cushions For Bamboo Furniture, Best Pokemon Sword Team, Hinge-point Questions Math, Kenmore Elite 51773,