Designfilters - cooler 0904-000 filter: oil sportpac (2 required) 0905-000 filter: oil enpac 0440-001 cooler: engine oil 5 x 1-1/4” 0440-549g3 cooler: dual engine/gear 0520-000 kit: oil bypass (includes bypass, o-ring, & fittings) 0520-001 bypass: oil sb 0520-002 o-ring: bypass cover 0000-871 fitting: oil bypass (2) 0901-350 bracket: dual oil sb. Page 8 August, 2019 Bulletin No. 1-813-628-0092. tor and shifter cable. Remove the old lines and replace them with new ones. Vacuum 350 1978 diagram chevy hose line hook turbo lines transmission. GMOTM Winner. the shift linkage, and detent should be the same, unless someone put in a shiftworks kit. Get the Best Performance with JEGS Transmission Oil Cooler Lines for 1968-1972 Chevrolet Chevelle, El Camino, Malibu w/TH350 Trans. trans cooler lines for a 1970 TH350. Th350 Oil Flow Diagram Quick Turbo 350 question on cooling lines Page1 Chevy. Increased line pressure and lube flow. Add To Cart. Th Transmission Diagram. cooling lines, detent cable, backdrive linkage, modulator. Web automatic transmission cooler lines, 7 foot length, flexible, braided stainless steel, ptfe, 4l60, 700r4, th350, th400, pair. 4sp w/GV, AC,PS,3. For questions or to place an order by phone, please call our solutions desk at (888) 324-1617 8AM-6PM PST (West Coast USA). If fluid comes OUT of the upper line, it is NOT a return line to the transmission! That means the fluid is being pumped into the radiator to be cooled. 454, TH400, NP205, 6" Susp Lift,. Web web diagram th350 cooler lines in and out thread. Return Line Position. 8 out of 5 stars 10 Diagram Th350 Cooler Lines In And Out Luceeinayat. 152 posts. Outer line furthest from converter: Web find fluid cooler lines th350 transmission model and get free shipping on orders over $109 at summit racing! 1970 315hp/410ftlb buick 350 code sp stock w/ 800cfm qjet and crower level 3 cam (rip) and th350 #2 (rip). Fits 1968 – 1971 Buick A Body w/TH400. Hello. Posted on April 26, 2023 by admin. Turbo 350 vacuum line hook up | help wiring lockup on th350c. That's actually incorrect i believe. Be gentle with the pressure though so as not to blow out your cooler matrix. Lockup 700r4 torque th350 r4 solenoid rod exploded th350c hotrod tcc. 7L. Then the bottom line goes back to the transmission with the cooler fluid. Maybe I'm just routing them incorrectly. 1 - 4 of 4 Posts. There are upper and lower oil cooler connectors at the adapter where the oil cooler lines connect. The reasoning was the radiator is cooler at the bottom. The Same Top To Top, Bottom. Get the vehicle up in the air with the use of either a jack and jack stands or ramps. The turbo350 uses two brass fittings for the steel cooler lines to screw into. 1967-1968 Nova Transmission Vacuum Line, TH350, Left Side Modulator, Original Material. In order to remove any debris left in the system from the previous transmission, B&M recommends that you a) hot flush and flow check. Prev Best on M/T ET S/S #3454 street Tires/Dress 2018/05/20. The “extra wide” coolers from Earl’s have a width of 15¼ inches and heights range from 2 to 18½-inches. Which line is the outgoing line to the tranny cooler on a TH350 T 350 cooler lines Fitting Location Thread Size Flow Direction. This line runs to the lower rad fitting. 38+ diagram th350 cooler lines in and out Sabtu, 18 Februari 2023 Edit. 135 satisfied customers. 700r4 oil flow schematic wordpress com. On a Turbo 350 transmission you have the upper and lower transmission cooler lines on pass side of the car. Web th350 transmission parts,th350 transmission rebuild kits,sonnax transmission parts. Oil Industry Process Flow. TH 350 cooler line oil flow Hot Rod Forum Hotrodders. The lower line will go to waste, but this. This tells you through which the upper radiator port and the external transmission cooler are connected. 919 inches. Rear. Automatic Transmission Cooler Line Kit; GM TH350/TH400/700R4; Also fits Transmissions w/ 1/4 in. com. NPSM or 1/4 in. I bought the XTC7001 pre bent cooler lines from SS396 and they don't seem to be close to fitting without modifying. Enjoy!silicone s. No "H"es, no valves, just route it your way down south and my way up north and all is good. Joined: Oct 1, 2015 Posts: 7,590. The most-effective verification technique is to temporarily bypass the cooler circuit and re-test. Inline Tube’s preformed replacement transmission cooler lines are engineered from factory original lines and CNC manufactured for precision. If you get a 3/4" thick unit it will not interfere with an open hood in the front. Also installed a 700R4. Th350 Valve Body Diagram - Wiring Diagram. 5 posi with 3. Add To Cart. There is a $4 “Box Fee” due to the special size box we have to purchase to ship these. Please see the details below from the manual on how to flush this and you will see the routing of the lines. I just flushed my 700 by draining the return line from the cooler. , Stainless Steel, 4L60, 700R4, TH350, TH400, Pair. QTY RequiredSurface Studio vs iMac – Which Should You Pick? 5 Ways to Connect Wireless Headphones to TV. burnout, Hayden Transaver Coolers are an integral part of extending the life of your transmission. STEP 3 The stock valve body from transmission must be replaced with BTE 321500 unit. Trans Cooler Lines TH350 Engine & Drivetrain. 700-R4 (4L60)/ 4L60E. Chevy GMC 81-91. Chevy 350 Parts Diagram ImageResizerTool Com. Related Items. The Turbo 700R4 transmission has taken the conversion world by storm and is a good option for the same reasons as the TH350, with advantages in having both a lower first gear and a . Lower ¼" Pipe Cooler feed/out. Open the fold-out page, Vacuum System Schematic, figure , page GM TH350 Automatic Transmission Gm turbo and c th transmission 3. TH350. com cooling lines deliver and return transmission fluid between. Hello all. Free Same Day Store Pickup. spare tire hardware, glove box, package tray, dash and door parts. 1978-1980 El. 99. Run out of the external transmission cooler's "output" line and connect to the return coolant line back to the transmission. Show More. Flared line case fitting #M462C. Includes 2 small "C" spring clips for mounting. I need to make sure those are plumbed correctly before I install the cooler. (OS1) $53. 375 posts · Joined 2006. Web it says that the top line is the return line. i tried a new rubber o ring still leaks. Or email us using our CONTACT link. Add to Cart. TH350 Cooler Lines The 1967 - 1972 Chevrolet & GMC Pickups Message Board. Diagram Manual Gm Turbo 350 Transmission Diagram. Get the Best Performance with JEGS Transmission Oil Cooler Lines for 1968-1972 Chevrolet Chevelle, El Camino, Malibu w/TH350 Trans. December 4, 2022. expert reply by: Jameson C. If you have your heart set on a six-speed automatic to back your LS, consider TCI’s 6X transmission. Turbo 350 transmission cooler lines diagramTransmission th400 routing cooler line installuniversity avoid bend degree weird shown length side Th400 lines cooler transmission fittings pre made shop misc trackhawk demon hellcat drivetrainTh400 cooler lines diagram. start to finish, the writer demonstrates a wealth of knowledge about the subject matter. Its identification, for instance, helps you to This 26 4l60e Transmission Cooler Lines Diagram – Wiring Database has px x px resolution. Register or Log In To remove these advertisements. General Motors. 1. 6. SHIFT SHAFT SEAL; and probably the shaft also. Transmission Cooler Guides & Info. Big-block vehicles with headers may need to modify the lines to fit. It is best to use a metal line for all but the connections at the modulator valve and if necessary at the intake manifold. If you're running an external cooler: tranny bottom to radiator top, radiator bottom to cooler top, cooler bottom to tranny top. TH350 Pressure and Return Lines? Hey all - OK - I'm being kinda lazy on this one. 1978-1980 El Camino Transmission Vacuum Line TH350 Original Material. The 350 transmission is 21-3/4" long and its one-piece case is cast of aluminum alloy. TH 350 cooler line oil flow Hot Rod. 2. Web if youre working on your chevy and need a transmission cooler lines diagram youre in luck. Not Yet Reviewed. Transmission Cooler Hose Line 70 Inch Flexible Stainless Steel SS Braided Oil Fuel Line Compatible with GM Chevy 1996 & Newer 4L80E 700R4 4L60 4L60E 4L65E,Turbo 350 400 200-200R4 Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly Compatible with Select Chrysler/Dodge/Ram Models, Silver 32,966. 69 Chevelle Malibu 400/TH400 (136379Z328013) 67 Camaro Coupe 327 - Sold 26:th of Aug 2014. [Stainless Steel] 13221 parts at JEGS. You really need a cooler though. Lokar. #5 · sep 27, 2012. However, that’s just a rule of thumb, so it could be the other. Mechanics, Ag. Find Parts and Accessories th350 transmission cooler KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get 15% back - Get Details!. of input torque. 70 more than 10 available lowest price guarantee automatic transmission cooler line kit gm th350 th400 700r4 also fits transmissions w 1 4 in. Add to Cart. I have the middle diagram and one from TCI The variance in lengths from TCI say a PG with a 12" tail (what I have) and a 350 with a 6" tail the overall length is within 1/8" of each other so no big deal. 99. Summit Racing™ Flexible Automatic Transmission Cooler Lines SUM-230322. Heated Transmission Cooler Flush Machine Overview. Turbo 350 Transmission Cooler Line Diagram. brass adapters that were used with the fac. This line is used to control the shift points of the transmission. You WILL destore a c-6 if you try the same trick. I bought a set of "1958-1963 Chevy Automatic Transmission Oil Cooling Lines Turbo Hydra-Matic 350 & 400" from Eckler's but since the car was not a stock auto, I am not sure how the lines route. Find Parts and Accessories Th350 transmission cooler lines KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing!5/16″ Transmission Cooler Lines. 99. Transmission Line Pressure Specifications Or Scroll Down to the Appropriate Line Pressure Chart GENERAL MOTORS FORD TH350 Pressure Test Forward Whether you need TH350 wiring diagram TH350Step 5. All TH350 builds now have a $450 core charge due to core shortages. Hello, I am having a word association problem regarding the trans cooler lines on my 283 turbo 350 stock radiator. STEP 10: Install drive shaft (and torque arm if used). Jun 5, 2023 - Explore Alessandra asil's board "TH350 Transmission" on Pinterest. GMC Customer Service: 1-800-462-8782. Top to top, bottom to bottom. (Passenger Side) You can see here that the bottom line has the "valve" on it. spare tire hardware, glove box, package tray, dash and door parts. 0. Here are the transmission cooling lines going to the AC Condenser. MoparPartsGiant. The primary benefit of installing a transmission cooler line diagram is improved reliability and performance. Oversize $9. 3. Lockup converter torque wiring diagram computer 700r4 lock without gm transmission switch r4 chevy valve turbo body engine rod th350Diagram transmission cooler th350 ford cooling schematic wiring 700r4 derale installation aluminum duty lock chart e4od coated pan powder finish. which is the output line on a turbo 350 pirate 4x4 web sep 23 2006 th350 th250 fitting location thread size flow direction upper 1 8 pipe return in lower 1 8 pipeIn this video we show you how to replace a transmission cooler line on an older Jeep Cherokee XJ. th350 cooler line pressure the cooler line pressure on a. 66 SS 396. The biggest fitment issue. org on 2022-01-08 by guest builder and technical writer David Vizard turns his attention to extracting serious horsepower from small-block Chevy engines while doing it on a budget. Powerglide - Dedenbear. GM TH350/TH400/700R4. Dorman Transmission Oil Cooler. It will be easier to install if you can remember how they were run before. 71 1/2 & 3/4 Ton truck 4 wheel drive transmission cooler lines for TH350 or TH400 manufactured in stainless steel. I bought a set of "1958-1963 Chevy Automatic Transmission Oil Cooling Lines Turbo Hydra-Matic 350 & 400" from Eckler's but since the car was not a stock auto, I am not sure how the lines route. This TH350 is in need of a MAJOR REBUILD! Also a lesson on transmission additive and what it does. What. The “extra wide” coolers from Earl’s have a width of 15¼ inches and heights range from 2 to 18½-inches. 1. Gm turbo 350 performance transmission level 2Cable transmission tv diagram 700r4 350 turbo 700r adjustment shift trans rebuild guide chevy wiring gm 4r efi adjusting bracket Good diagram of the turbo 350 valve bodyTh350 routing radiator technical. Chevy Transmission Cooler Lines Diagram. Sheet Metal. Port Spacing [Stainless Steel] (0) $49. The 6. 8 Hrs. 328 posts · Joined 2012. 2 Line set with 1/2" fitting at radiator. (national pipe thread size. Quick Turbo 350 question on cooling lines Page1 Chevy. Remove the skid plate and the splash guard (if applicable). GMOTM Winner. If you haven't. These work great for all TH-350 automatic transmission models. Roughening up the outer surface of the metal line with coarse sand paper in the area where the clamp will ride will help. Finally, Earl’s manufactures curved coolers that have a width of 11. If there is a justified reason I'd like to know why. jeepers creepers. TH350 straight fitting (NPS) to trans case is 25 ft/lb, tapered (NPT) is 15 ft/lb. Lower ¼ Pipe Cooler feedout. Order a TH350 transmission kit at JEGS High Performance. Posted on april 26, 2023 by admin. Th350 Shift Linkage Diagrams | Th350 transmission, Transmission, Diagram. T 350 cooler lines Hot Rod Forum Hotrodders. 562-inches and a height from 3. Allowing for easy identification of any potential. Check if this fits your vehicle. My '69 El Camino was built with a Powerglide, but the previous (or previous previous?) owner converted it to a TH350. Web pour at least 1 quart of clean atf slowly into the torque converter. Chevy 350 Wiring Rear Axle Chevy 350 Freeze Plug Diagram Turbo 350 Th350 Oil Flow Diagram fraurosheweltsale de May 8th, 2018 - Th350 Oil Flow Diagram Th350. Estimated delivery Nov. Does it even matter?. If you run a pipe threaded fitting into it you can or most likely will crack the case. Line. Place the hose in the GE-47716-2 Graduated2766 posts · Joined 2014. Fitting Location Thread Size Flow Direction. Just pulled out my TH350 and that's the way it was. We just updated our "Avalanche" Buggy to LM7 5. Contact us for advertising partnerships and become collaborator: [email protected]Wiring Diagrams. 0 transmission cooler upgrade. #2 · Dec 10, 2021 vics63 said: I've searched here and elsewhere for hours on end and can't find a definitive answer. Stage 1 TH350 is reliable to over 500 HP/TQ. A worn or seal and lead to. Awasome Th400 Cooler Lines Diagram References. Part #: FTV6703 | Manufacturer Part #: FTV6703. Was thinking to run along side the front of the cross member then to the frame to radiator. TCI Automotive. The top line is return/in, it doesn't have suction so. 430 A C TURBO HYDRAMATIC 250, 250C, 350, 350C 3 SPEED RWD (Lock Up & Non Lock Up) Revision 02/2018Th350 Oil Flow Diagram petike de. Replacement Oil Cooler Lines on Amazon - 39660 1/2" x 3/8" Transmission Oil Cooler Line Scissor on Amazon - GM Customer Satisfaction Program number: N212326940. As already mentioned, the flow direction of the transmission cooler is such that the top hose attachment is the hotline, and the bottom one is the cold line. He’s gonna tear down his built TH350 transmission just for you. 2602 posts · Joined 2004. Correct for 1964-67. If you are searching about turbo 350 vacuum line hook up | help wiring lockup on th350c. This 4l60e transmission cooler lines diagram provides an easy to follow example of how your 4l60e’s cooling path works. 10 Diagram Th350 Cooler Lines In And Out Luceeinayat Chevy 350 with a th350 transmission. Automatic Transmission Cooler Lines, Steel, Chevy, GMC, TH350, TH400, 4WD Only, Pair. $8. My sump temps when the output monitor is showing 220 is 170. identify the 4 mounting rods, 4 mounting clips and 4 1x1 foam pads. . 0L Powerstroke engine. 99. 66 Chevy II 355SB TH350 03 Chevy Siverado 6. - 8 in. "A" Fits models with TH350 or TH400 transmission. Click image to zoom. Engine: 6 Cyl 5. com. TH350/TH350C . Advance Adapter. The way @baldilocks explains it the cooling goes: Hot oil from the transmission to the passenger side bottom radiator. Exact fit for all 67, 68, and 69 models with an automatic TH 350 transmission. 81-82 TH350 Automatic Transmission Cooling Lines (Stainless) Price: $89. i went with flex steel lines but my problem is. Although the name later had to be changed because Peugeot had patented having a 0 in the middle of car model numbers, the 911 didn't let anything stand in the way of its becoming an iconic sports car. The lower line from the TH350, 400, or powerglide tranny is out. Engine Oil amp Transmission Oil Cooler Lines Catalog Number Transmission oil cooler lines are INLET ? Assembly carries flow of oil IN to cooler from engine. Get the Best Performance with JEGS Automatic Transmission Cooler Line Kit for GM TH350/TH400/700R4 113601K parts at JEGS. COOLER RETURN LINE CHART. Advance Adapters Flexible Transmission Cooler Lines 23-1500-60. atomicjoe23. Upper ¼" Pipe Return/in. Need to replace all my Transmission lines because the previous owner cut them and replaced with basic tubing. JASPER also offers a full line of transfer cases for both 4 wheel drive and all wheel drive applications. Subscribe to GM Authority for more Chevy Silverado. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, Black, PTFE, 4L60, 700R4, TH350, TH400, Pair Part Number: SUM-230321-B 5. I have seen it numerous times both on the track and the street. { a 350 has a ball and seat that blows off to let oil circlale. The cooler of the two lines is the return line and the one to install the transmission cooler on. #2 · Oct 3, 2006. The TH400 came in two wheel drive and four wheel drive vehicles, passenger cars and heavy duty trucks, as well as GM vehicles. Stick with the factory brass fittings and get the inverted flare to -6AN that fits into those. New transmission cooler lines for your Firebird. Th350 Oil Flow DiagramHere are the steps you need to take to change the transmission cooler lines on your Chevrolet Tahoe : 1. It is a 355 with around 400hp and a. Automatic Transmission Cooler Lines 5 Foot Length Flexible Braided Stainless Steel Black. 95. Transmission Cooler Lines, TH400. The second line goes from the modulator to the vacuum canister. TH700R4: As the TH350 lacks overdrive, many installers will opt for the GM TH700R-4 automatic. 919 inches. Remove these two fittings. o The lower transmission coolant. Been away a while. Th400 cooler lines diagramTh350 vacuum line diagram Pit stop: automatic trans kickdown cables—are they really needed?Vacuum lines help. It has a distinctive oil pan that is chamfered at the passenger side, rear corner. Return Cooler Line Chart Transmission Location 03-72LE (A44DE) Rear 125, 125C (3T40) Top 180, 180C (3L30) Rear 200, 200C Bottom 200-4R Bottom 300 (ST300) Top 325, 325-4L Top 350, 350C Top 4L30E (Isuzu) Rear 4L60E Top 4L80E Lower Front 4T40/5 Bottom 4T40E Lower 4T60E, 4T65E Horizontal Case FittingWiring diagram transmission chevy plug electrical schema oreo gm data silverado switch diagrams please light choose board Diagram wiring Wiring diagram switch safety neutral trans tcm soleno. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. Remove the skid plate and the splash guard. Th350 Oil Flow Diagram Th350 Oil Flow Diagram ATI Racing Transmission Front Pumps and Super Pumps. TH350 trans to radiator cooling lines questions The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Register or Log In To remove these advertisements. Alas simplicity usually wins out. Click Here to Request a Catalog! Toggle navigation Menu. I use the defective shafts for pin-punches. 468/TH400 2,500 stall / S60 3. Best Transmission Coolers The Complete Guide Video $135. 4 Wheel Drive 8 Cylinder 67-72: 1: $79. Cut the steel tube oil line in a convenient location using aTh350 Cooler Lines Diagram. Qty: DescriptionOk, my trans cooler is mounted in front of my radiator, with an inlet on the passenger side upper (facing the grill looking at the engine), and passenger side lower side of the cooler. If the transmission cooler runs horizontally, it doesn't matter whether the trans fluid runs to the left or to the right. Shop Now at the Guaranteed Lowest Price!. 2. Material: Steel. I destroyed the old cooler lines when I removed the engine, so I had to replace the cooler lines. Pan, Replace Transmission, Flush Cooler/Cooler Lines, Includes Time To Remove And Install Transmission And Post Road Test (Do Not Use With Any Other Labor Operations Except C When Required) 3. 1978 - 1981 Firebird and Trans Am Transmission Cooler Line Set for Turbo 350, 5/16" Original Steel New transmission cooler lines for your 78 - 81 Firebird or Trans Am. Automatic Transmission cooler line flow. Or email us using our CONTACT link above. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. AAMCO | 07/26/2019. 95. This agrees with the diagram that Bel Air kiwi posted. Cooling lines on turbo 350 which is oil out which is return May 13th, 2018 - Welcome to Club Hot Rod. However, that’s just a rule of thumb, so it could be the other. THM cooler line ports. Bottom port on the trans is the pressure side. engine blueprints Turbo 350 Diagram Cooling lines on turbo 350 which is oil out which is return May 13th, 2018 - Welcome to Club Hot Rod Cooling. Web technical routing lines from th350 to radiator. This enables the fluid to rise and push the air out of the rad cooler. It’s a very tough unit. Install at least one bolt on each side of the bellhousing. Last edited by gchemist; 04-07-2009 at 05:04 AM. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. Easy way to find out is use a compressed air line on them both and see if one way flows and the other doesn't. 12”, 9. Have someone watch it. 2. The Top line is Return/In, it doesn't have suction so some fluid may flow out there. Sheet Metal. Fits 1970–1972 Chevrolet Monte Carlo, , , , , , , . 70 (1) Ships Today Lowest Price Guarantee. All transmission cooler lines come with correct double clips and original steel tubing. th350 cooler line pressure the cooler line pressure on a th350 transmission is typically set between 40 and 50 psi. 3's steel lines. Great condition. #8, Cooler Feed (Fluid OUT to cooler) Top line at the transmission. Th350 installing transmission cooler lines and. TH325/325-4L . If you are searching about Turbo 350 vacuum line hook up help wiring lockup on th350c. On GM TH-200, TH-200R4, 4L80E and Ford AOD transmissions, this is the lower oil line to the transmission case. 00. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM. Part Number: SUM-230321 4. I noticed that after a little over a gallon I got air bubbles. 2 Wheel Drive 8 Cylinder 67-72: 1: $64. com FREE. From what I read the hottest oil (from the converter) goes to the cooler. It varies due to converter size, pan depth, cooler and line size, fresh build or service, and other variables. TH-350C ALL 350C Transmission Parts. Warning: Always use two wrenches when tightening the In-line Thermostat Fitting to the oil cooler; failure to use a back up wrench could cause damage to the cooler core. Run the trans bottom pressure line to the bottom fitting of the radiator. place in Drive for 10 seconds to activate the transmission pump and shut off the engine. 0. Online I found this routin diagram, a more simple application. Designed to work without. (Next to the oil pan, looking up towards the bottom of the engine. Radiator Adapters. If your trans fluid is running at 280, then through the radiator will bring it down some. The filter works to keep contaminants from wearing parts from your transmission fluid. Web if youre working on your chevy and need a transmission cooler lines diagram youre in luck. This is an old draft of some TH400 oil pump technical. 31 Posi,ft disc,11" r drum. This 26 4l60e Transmission Cooler Lines Diagram – Wiring Database has px x Lower line out of TH to the lower radiator trans cooler fitting. 75:1 overdrive. Web web automatic transmission cooler lines, 5 foot length, flexible, braided stainless steel, ptfe, 4l60, 700r4, th350,. 2 Line set with 1/2" fitting at radiator. More than 10 available. Surface Studio vs iMac – Which Should You Pick? 5 Ways to Connect Wireless Headphones to TV. There are in (inlet) and out (outlet) lines. TH-350C Drive Shell. I just had my TH350 rebuilt and was told the feed goes to the top of the radiator and the return goes to the bottom. 3. I plan to go with hard lines and wondering the best routing configuration to keep it looking clean. Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. The cooler core will flow in either direction, there is no specified inlet or outlet port. These preformed transmission lines replace the original transmission cooler lines and run from transmission to radiator following the factory routing. With the cooler installed and the hoses attached, I was in business to keep that TH400 nice and cool with a clean look and top. com 1978 - 1981 Firebird and Trans Am Transmission Cooler Line Set for Turbo 350, 5/16" Original Steel New transmission cooler lines for your 78 - 81 Firebird or Trans Am. seeing the corrolation of my personal S15 with 350 and 700R4 your outlet temps are comparable to mine. We use ni copp for the lines. GM Transmission Cooler Fittings. You want the already warm fluid to flow into the external cooler to help better control fluid temperatures, so. JEGS 113601K The transmission cooling line system is vital to any automatic transmission. Automatic Transmission Cooler Lines, Steel, Chevy, TH350, Pair. Splice your toggle switch inline after the brake pedal switch and your good to go. Part Number: RSD-CTC6703. 99. 95. Quick view. I have done this very swap on my 69 camaro. 2 Dr Hard Top Non Post, Convertible.