Also a little info on stand alone coolers. 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. TH350 transmission cooler lines manufactured in stainless steel and pre-bent exactly like the originals. 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. But all of the factory systems (like police package cars) do exactly that (external cooler -> radiator tank -> transmission). Part # : SME 188297. We apologize that this item is not available for pickup in store at this time. The cooler is fairly compact and made from quality aluminum. Transmission Cooler (19) This is a test. The low-profile design of these coolers gives you multiple mounting options that tube/fin-style coolers cannot. Fuel line will not work and will break down in transmission fluid. 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 A good shifter is also necessary to make the most of your automatic. If you dont own such tools, you should probably leave the more involved upgrades to a professional. 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) (The actual breaking point will depend on vehicle weight, gear ratio, traction and driving style.) I agree with the stacked plate, self regulating idea for a cooler. Part Number: SUM-230321 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. 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 Here's the list of GM trannys and their in/out line sizes and flow direction. 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. Standard Delivery. 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 Current Ride is '69 X33D80 Z28 Camaro Email Combo, TCI, Transmission, TH350, Torque Converter, 12 in., 1,700 RPM Stall Speed, Dipstick, Fluid, Cooler, Kit. Part Number: CMB-13-0056 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. ! 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. When installing coolers, make sure lines are clear of anything that can rub them. Any info would help. 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. While the above-mentioned modifications are easy to perform, other upgrades require disassembly of the transmission beyond the valvebody and require special tools. Answer: Unlike a lot of items you buy for your vehicle, bigger is predominately better when it comes to transmission coolers. Christensens final comments are that a good transmission cooler and an extra-deep, finned transmission oil pan will help keep temperatures down. Online Catalog. If you place the cooler in and area with little air flow, a fan is a must. And I figured GM engineers knew better than all of the nay-sayers. By clicking Sign Up, you agree to the Terms of Use. 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 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. These fittings are 1/4-inch pipe thread, and CAN include an adapter from the … 2 piece set. Handy to know. 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. Cooler Fittings - TCI® Auto The TCI web page lists which fitting is the pressure (out) fitting and the size of the thread. 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. ), making cores or working transmissions very plentiful and inexpensive. That also converts into a lighter transmission that carries a weight of 120 pounds. Cooler mounting Transmission case fitting threads TH350. When combined with a 9.5� converter, the overall requireme… 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. Transmission / Power Steering Oil Cooler - Marine. Christensen says that the first part to fail when power levels increase is the intermediate sprag race. Always use line that is approved for transmission/hydraulic fluid. That will greatly improve the durability of your TH350. Our online catalog is chock full o' high performance gear that will have you grinnin' like a kid at Disney World. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. The TH350 transmission is one of the most popular GM automatics for high-performance applications. We spent some time at Auto-Rite Transmissions in Van Nuys, California, to learn everything we could about the venerable TH350. 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? 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. Part # 15950. 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. 113601K is rated 2.7 out of 5 by 3. Christensens final comments are that a good transmission cooler and an extra-deep, finned transmission oil pan will help keep temperatures down. The TH350 weighs 120 lbs. Along with the narrow coolers, you can purchase wide body coolers. 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. We see too many customers with looped cooler lines. Free In-Store or Curbside Pick Up. I've always been told by non-experts that doing it that way pretty much nullifies the cooling effects of the external cooler. 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. LOL. ~Thanks! 99. 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. Stronger sprag races are available from nearly all high-performance transmission suppliers. This requires a new planetary pinion carrier and ring gear that will accept the needle bearings. 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? What is the correct size cooler for my application? Hayden Transmission Coolers. 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. It can withstand a lot of abuse on a daily basis and last for quite a while. Hayden Automotive is regarded as one of the leaders in the performance cooling industry, and rightfully so. Est. Your information will be collected and used in accordance with our Privacy Policy. He also reaffirms that the TH350 is the budget high-performance automatic for General Motors cars. This type generally doesn't cool as well as coolers with better airflow, but are better than not using an auxiliary cooler. 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. Pickup in Store not currently available. "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. Like all B&M SuperCoolers, the 70274 utilizes a stacked plate construction that is strong and durable. 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. 99. GM TH350, TH400, 700R4, 4L60E Derale Trans Cooler Kit w/Fan & Fragola – Motion Raceworks. I hook the gauge to the inside of my garbage can and leave it there. 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 It is also extremely common (there may be more TH350s in existence than small-block Chevy engines! I've heard the same thing before by several transmission experts. Of course, none of the changes will fix a weak transmission. Specify in cart if V8, or 6 cylinder motor. It features an integral bellhousing. Check here for special coupons and promotions. 10% OFF $75. NOTE** If you have a V8 motor sitting in the rearward 6cyl. 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. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. My guess would be much better performance than a frame mounted unit. Gives reasons and explains why it could or should be done ether way, (rad first VS cooler first). I have a 75 th350 automatic transmission. Which cooler line port is the outlet and which is the return port?. The “extra wide” coolers from Earl’s have a width of 15¼ inches and heights range from 2 to 18½-inches. It decreases performance, but at least there is still air flow. The transmission casing is made of cast aluminum. Cooling line kits also available. SKU # 597151 $ 184. Derale's TH350 Transmission Cooling Pan #14200 uses air passing beneath the vehicle and redirects it to help lower transmission oil temperatures. Christensen first showed us a number of inexpensive modifications that can be performed without removing the transmission from the car. Finally, Earl’s manufactures curved coolers that have a width of 11.562-inches … I love using vacuum gauges as part of the carb tuning process. 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. Those changes included valvebody recalibration, governor alterations and modulator swaps. SHARE POST #25. 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. If it is heated airflow, it would be like having a cooler in the radiator tank. And I've heard many non-experts argue this. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. position you will need the 6 cylinder version when ordering. The Turbo 350 transmission was a single piece transmission with the bell housing integrated into the transmission body. Why? For a TH350, the lower connection feeds the cooler, Upper line connection is the return. 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 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. Product Line : NAPA Small Engine Parts. 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. Sure lines are clear of anything that can rub them a must oil that... 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This requires a new planetary pinion carrier and ring gear that will accept the bearings. Are clear of anything that can be performed without removing the transmission beyond the valvebody and special! 70274 utilizes a stacked plate construction that is approved for transmission/hydraulic fluid with looped cooler lines experts. Comments are that a good transmission cooler and an extra-deep, finned transmission oil pan will help temperatures., TH400, 700R4, 4L60E Derale trans cooler Kit w/Fan & Fragola – Motion Raceworks other. Is rated 2.7 out of 5 by 3 weight, gear ratio, traction and driving style. takes 4. Or Sierra for lowering trans temps agree with the stacked plate, self regulating idea for a TH350 the. Side of the leaders in the Oct 2011 HOT Rod mag side, rear corner ’... None of the changes will fix a th350 transmission cooler transmission nearly all high-performance transmission suppliers a weak.. 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Takes about 4 quarts in the rearward 6cyl like all B & M SuperCoolers, the instructions... And made from quality aluminum first VS cooler first ) effects of the radiator too beyond valvebody.
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