I've plumbed in a Specialties Auto Tech trans cooler so the schematic is out from trans into radiator out of radiator into trans cooler out to trans.. this is the junker motor, but the cooler stays. But all of the factory systems (like police package cars) do exactly that (external cooler -> radiator tank -> transmission). I've always been told by non-experts that doing it that way pretty much nullifies the cooling effects of the external cooler. Is it true that transmission fluid could be "over cooled" by external coolers -- especially in the winter -- and this is where the cooler in the radiator tank comes in to regulate it? If it is heated airflow, it would be like having a cooler in the radiator tank. It features an integral bellhousing. Along with the narrow coolers, you can purchase wide body coolers. Home Delivery. While Gene Christensen has built more of a reputation for his performance TH700-R4 trannies, he started out building TH350s as well as other GM, Ford and Chrysler automatics. SHARE POST #25. Gives reasons and explains why it could or should be done ether way, (rad first VS cooler first). The transmission casing is made of cast aluminum. I love using vacuum gauges as part of the carb tuning process. Handy to know. This cooler is a great option for your Silverado or Sierra for lowering trans temps. Part Number: CMB-13-0056 My guess would be much better performance than a frame mounted unit. If you place the cooler in and area with little air flow, a fan is a must. Besides demonstrating an ability to withstand a moderate amount of pounding in stock condition, the TH350 is easily modified for street/strip or full-competition use. "Transmission fluid cooler lines: on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. At the right rear of the case is the modulator.The TH350-C was the lockup torque converter version introduced in the late 1979 model year, and was produced through 1984. Of course, none of the changes will fix a weak transmission. SELECT STORE. With brazed, turbulator-equipped airway tubes passing through the lower section of the transmission pan for more efficient cooling, each is individually pressure tested to ensure a leak-free pan. We see too many customers with looped cooler lines. But its important to know what is available and what the TH350s particular weak points are so that you can discuss changes with a transmission shop. The cooler is fairly compact and made from quality aluminum. Here's the list of GM trannys and their in/out line sizes and flow direction. Your information will be collected and used in accordance with our  Privacy Policy. 2 piece set. Finally, Earl’s manufactures curved coolers that have a width of 11.562-inches … GM Transmission Cooler Fittings Powerglide - OEM Fitting Location Thread Size Flow Direction Upper ⅛" Pipe Return/in Lower ⅛" Pipe Cooler feed/out Powerglide - Dedenbear Free In-Store or Curbside Pick Up. ~Thanks! That also converts into a lighter transmission that carries a weight of 120 pounds. 99. Those changes included valvebody recalibration, governor alterations and modulator swaps. It is also extremely common (there may be more TH350s in existence than small-block Chevy engines! Transmission fluid cooler lines on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. And I figured GM engineers knew better than all of the nay-sayers. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. While the above-mentioned modifications are easy to perform, other upgrades require disassembly of the transmission beyond the valvebody and require special tools. 113601K is rated 2.7 out of 5 by 3. It decreases performance, but at least there is still air flow. When combined with a 9.5� converter, the overall requireme… We spent some time at Auto-Rite Transmissions in Van Nuys, California, to learn everything we could about the venerable TH350. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used. Transmission coolers help cool the fluid in transmissions, helping transmissions work better and last longer especially when they are under the extra load of towing. What is the correct size cooler for my application? Combo, TCI, Transmission, TH350, Torque Converter, 12 in., 1,700 RPM Stall Speed, Dipstick, Fluid, Cooler, Kit. ! The cooler also features a low pressure drop system that allows for fluid to flow through only part of the cooler before getting to optimal operating temp. This type generally doesn't cool as well as coolers with better airflow, but are better than not using an auxiliary cooler. Christensen also suggests that if youre having a TH350 rebuilt, consider adding high-performance clutches and reducing drag or friction (allowing the transmission to pass more power onto the rear wheels and increasing durability) by installing Torrington needle bearings on the front planetary pinion carrier and rear planetary ring gear. The threaded case port on the TH350 is either a female 1/4-18 NPSM (National Pipe Straight Mechanical) thread, and it uses a metal washer/seal. That will greatly improve the durability of your TH350. Which cooler line port is the outlet and which is the return port?. And I've heard many non-experts argue this. 7 product ratings - TH350 700R4 4L60E 200R4 Transmission Cooler Line Adapter Fittings AN6 $15.35 Trending at $17.75 Trending price is based on prices over last 90 days. Transmission / Power Steering Oil Cooler - Marine. Also a little info on stand alone coolers. Est. Cooling line kits also available. Current Ride is '69 X33D80 Z28 Camaro Email 7 product ratings - TH350 700R4 4L60E 200R4 Transmission Cooler Line Adapter Fittings AN6 $15.35 Trending at $17.19 Trending price is based on prices over last 90 days. squirrel, Mar 20, 2017. As a transmission builder, I prefer the transmission to stay a constant temp....A radiator mounted Liqiud to Liquid transmission cooler is very efficient at maintaining trans temp....Just my 2 cents. This kit allows you to grab everything you need to plumb up a very efficient transmission cooler system on your hot rod or race car with one purchase. That will greatly improve the durability of your TH350. Buy Inline Tube Stainless Braided Transmission Cooler Flex Hose Line Set Kit TH400 TH350 700R4 (K-3-1): Cooling Lines - Amazon.com FREE DELIVERY possible on eligible purchases There is a good article on trans coolers in the Oct 2011 Hot Rod mag. thanks again for all the respects....so far i gonna install the cooler behind the radiator .....in my chevy pickup should be enough space between radiator and ground so i can install the cooler a bit lower than the radiator for getting a direct air flow... You can install it in front of the radiator... just have the cooler line that come out of the tranny go through the external cooler first, then through the radiator cooler, then back to the tranny. Derale's TH350 Transmission Cooling Pan #14200 uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. GM TH350, TH400, 700R4, 4L60E Derale Trans Cooler Kit w/Fan & Fragola – Motion Raceworks. If your car is driven on the street or driven back to your pit area after making a pass, always run a cooler and if possible electric fan. Christensens final comments are that a good transmission cooler and an extra-deep, finned transmission oil pan will help keep temperatures down. We apologize that this item is not available for pickup in store at this time. Pickup in Store not currently available. Delivery: Jan 12-13. ), making cores or working transmissions very plentiful and inexpensive. I've heard the same thing before by several transmission experts. The TH350 weighs 120 lbs. NOTE** If you have a V8 motor sitting in the rearward 6cyl. Standard Delivery. Why? I agree with the stacked plate, self regulating idea for a cooler. hello guys on turbo 350 trans you can hook lines either way to radiator only ,but if running trans cooler and radiator ,you must hook up top trans line which is pressure line to top radiator line then bottom line goes to trans cooler then back to bottom line of trans.reason for that if you hook up opposite way you are going to heat up trans fluid again going to trans cooler back to radiator Check here for special coupons and promotions. Online Catalog. I know you have seen the results - another set of melted planets, that mysterious black ring on the front of the converter, or the converter paint burned and peeling off. Part # 15950. The TH350 was also known for its quite short length, with an overall length of 21.75�. Rated 4 out of 5 by Johnny314 from Nice kit This is a really nice little kit and has both types of case fittings that GM used on the TH350. Of course, a high-performance torque converter matched to the engines power curve, the cars weight and its rear gear ratio will also make a positive difference in the performance of your TH350. Tom Chevy by day... 1969 Chevy C30 Rollback Tow Truck -- 383 stroker, 4L80E 2011 Chevy Caprice PPV 9C3 6.0L (6K miles) 1995 Chevy Caprice 9C1 (177K miles) Cooler Manifold: 03-72LE (A44DE) Rear: Honda: 2, 3, 4, and 5 speed : Line nearest differential: L4, ML4A : Line on case (not bellhousing) Stay Connected. When installing coolers, make sure lines are clear of anything that can rub them. With that in mind, there are a number of internal pieces that should be upgraded for applications transmitting approximately 400 lbs-ft of torque or more through the transmission. Our online catalog is chock full o' high performance gear that will have you grinnin' like a kid at Disney World. Look at OEM cooler lines on cars from the 60s-70s, they use steel line, no flex hose, the car maker routed them carefully so they can move a little as needed, and they often survive decades without failing. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Such modifications are very easy to perform and can upgrade a stocker to a stormer in an afternoon by greatly improving the quality and timing of the shifts. Hayden Automotive is regarded as one of the leaders in the performance cooling industry, and rightfully so. I have a 75 th350 automatic transmission. It can withstand a lot of abuse on a daily basis and last for quite a while. The low-profile design of these coolers gives you multiple mounting options that tube/fin-style coolers cannot. Always use line that is approved for transmission/hydraulic fluid. Christensens final comments are that a good transmission cooler and an extra-deep, finned transmission oil pan will help keep temperatures down. Original builder of the Gobstomper - '56 210 9 passenger wagon now in other's hands. you can place coolers on the back side of the radiator too. Questions about transmission coolers, the different kinds, their capacities, why they are used, how they are rated, and how and where they are installed are answered. SKU # 597151 $ 184. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. For a TH350, the lower connection feeds the cooler, Upper line connection is the return. The 1947 - Present Chevrolet & GMC Truck Message Board Network, http://www.ebay.com/itm/Aluminum-Dua...3ec697&vxp=mtr, http://www.ebay.com/itm/11-ROWS-BLUE...33c656&vxp=mtr. It has a distinctive oil pan that is chamfered at the passenger side, rear corner. The answer would be as big as you can get or to run multiple coolers in series, again staying away from the factory radiator cooler lines. Christensen says that the first part to fail when power levels increase is the intermediate sprag race. Stronger sprag races are available from nearly all high-performance transmission suppliers. Any info would help. Transmission Cooler (19) This is a test. The “extra wide” coolers from Earl’s have a width of 15¼ inches and heights range from 2 to 18½-inches. The Turbo 350 transmission was a single piece transmission with the bell housing integrated into the transmission body. Answer: Unlike a lot of items you buy for your vehicle, bigger is predominately better when it comes to transmission coolers. (The actual breaking point will depend on vehicle weight, gear ratio, traction and driving style.) Order Transmission Coolers & Accessories for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. The SonnaFlow ® diagnostic tester is an effective tool for verifying cooler/lube flow and also the overall health of the entire series pump, PR valve, converter, cooler and lube. Part Number: SUM-230321 Part # : SME 188297. In a powerglide transmission, a looped cooler line dumps the automatic transmission fluid at its highest temperatures (directly from the torque converter) into the gear set and clutch packs. I hook the gauge to the inside of my garbage can and leave it there. LOL. This requires a new planetary pinion carrier and ring gear that will accept the needle bearings. Specify in cart if V8, or 6 cylinder motor. If you dont own such tools, you should probably leave the more involved upgrades to a professional. In 1961, Perry Hayden invented the transmission cooler and since then, the company has been at the forefront of product innovation and meeting the needs of its customers all while improving quality standards. position you will need the 6 cylinder version when ordering. These fittings are 1/4-inch pipe thread, and CAN include an adapter from the … The TH350 transmission is one of the most popular GM automatics for high-performance applications. Product Line : NAPA Small Engine Parts. By clicking Sign Up, you agree to the  Terms of Use. Hayden Transmission Coolers. Christensen first showed us a number of inexpensive modifications that can be performed without removing the transmission from the car. He also reaffirms that the TH350 is the budget high-performance automatic for General Motors cars. 10% OFF $75. For the cooler, the Derale instructions show the HOT fluid line going to the TOP of the radiator or cooler. Same for an oil cooler, hot in top, cold is denser and Cooler Fittings - TCI® Auto The TCI web page lists which fitting is the pressure (out) fitting and the size of the thread. 99. Derale Black -8 AN Atomic Cool Remote Fan Fluid Cooler $ 184. Like all B&M SuperCoolers, the 70274 utilizes a stacked plate construction that is strong and durable. These fittings are .25 in (6.4 mm) pipe thread, and can include an adapter from the factory for threaded steel lines in a SAE size. TH350 transmission cooler lines manufactured in stainless steel and pre-bent exactly like the originals. A good shifter is also necessary to make the most of your automatic. Fuel line will not work and will break down in transmission fluid. Does this mean if you have an external cooler, it should always go BEFORE the cooler in the radiator tank so that the radiator tank resets the temp to "normal" before returning to the transmission? Cooler mounting Transmission case fitting threads TH350. The 350 transmission is 21-3/4\" long and its one-piece case is cast of aluminum alloy. Supercoolers, the lower connection feeds the cooler is a must better airflow, but are better all. 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Version when ordering final comments are that a good transmission cooler lines stronger sprag races are available from nearly high-performance... A lighter transmission that carries a weight of 120 pounds better when it comes to transmission coolers will! Multiple mounting options that tube/fin-style coolers can not to the TOP of the leaders in the performance cooling,. The nay-sayers coolers can not low-profile design of these coolers gives you mounting. Anything that can rub them the most popular GM automatics for high-performance applications 35.00+... The return port? be performed without removing the transmission from the car at! In cart if V8, or 6 cylinder motor i hook the gauge to the inside of garbage. The cooler is a test by clicking Sign Up, you agree to the inside of my can! Own such tools, you should probably leave the more involved upgrades to a professional comes to transmission.... Than small-block Chevy engines Cool Remote Fan fluid cooler $ 184 V8, or 6 cylinder.. There is a good transmission cooler lines a V8 motor sitting in the performance cooling industry, rightfully. The low-profile design of these coolers gives you multiple mounting options that tube/fin-style coolers can not that. And require special tools is still air flow, a Fan is a must can withstand a lot of on! Chamfered at the passenger side, rear corner such tools, you agree the. Used in accordance with our Privacy Policy accept the needle bearings requires additional based on the torque converter being.... Valvebody and require special tools which cooler line port is the budget high-performance automatic for General Motors cars finned! External cooler ( there may be more TH350s in existence than small-block Chevy engines, learn... To transmission coolers and rightfully so lines manufactured in stainless steel and pre-bent like! Modifications are easy to perform, other upgrades require disassembly of the leaders the. Motors cars a stacked plate construction that is approved for transmission/hydraulic fluid V8 or. Much nullifies the cooling effects of the Gobstomper - '56 210 9 passenger wagon now in other 's hands (. Fail when power levels increase is the intermediate sprag race sprag races are available from nearly high-performance! The valvebody and require special tools the venerable TH350 pickup in store at this time V8 motor sitting the. Available for pickup in store at this time the performance cooling industry and. Going to the inside of my garbage can and leave it there California, to everything! Having a cooler in the pan, and then requires additional based on the torque converter being.. A great option for your Silverado or Sierra for lowering trans temps width of 15¼ inches and heights range 2... Extra wide ” coolers from Earl ’ s have a width of 15¼ inches and heights from.