Part Number: SUM-230321 I know it states for use with an aftermarket cooler that uses -06AN to 1/"4 NPT fittings but if you want to connect it to a stock GM radiator cooler (1976 Cutlass in my case), you will need (2) -06AN to 1/2"-20 fittings (pn 110540) Being that the radiator I have has a trans cooler built into it i figured I should get the lines in while the floors are out. Metal transmission cooler lines are typically pre-bent with fittings that are held on by a flare at each end of the line. Notch the front flange off the crossmember to clear the TH350 pan. While installing basic rubber lines might work for most, in some cases, your vehicle may need custom lines, which are more costly than standard transmission lines. This will assure adequate cooling while reducing the wear to the engine thrust bearing. 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 This means I should (and have) plumbed the cooler after and to the top (return) line exiting the top of the radiator. http://www.montecarloss.com/SS_FAQ_5.html, http://racetransmissions.com/mainpages/tech_info/cooling/index.html, http://www.chevelles.com/forums/33-...e-carlo-th350-trans-fluid-flow-direction.html, VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The TH350 was still produced many years beyond 1986 for export sales. The upper transmission fitting is the return from the cooler into the tranny. Original builder of the Gobstomper - '56 210 9 passenger wagon now in other's hands. Start it up and put it in drive and brake torque it (apply brakes and rev the engine), for about 10 seconds or so, put vehicle back in … Discussion in 'Traditional Hot Rods' started by TBonez, Mar 20, 2017. Other fitting out from external cooler to top line on TH350. I know I should know but !! Pulled a cooler line to pump the pan down before a filter service and there was nothing except a dribble out the return line. Be sure to also check the case very closely for cracks. TH350 transmission cooler lines manufactured in stainless steel and pre-bent exactly like the originals. What is the correct size cooler for my application? So I can rest assured that the trans fluid exits the radiator at the top? I am wanting for my ATI treemaster mrt converter to come in and decide while I have trans out I am going to run new trans lines to the cooler. Threads into transmission case and provides a -6AN male thread to attach your transmission cooler lines. For a better experience, please enable JavaScript in your browser before proceeding. Shop from thousands of parts and accessories to help you restore, maintain, and customize your Chevrolet, GMC, Dodge or Ford truck or SUV. Keep 'em on the … I did this swap in my 64 when replacing the stickshift 3 speed behind the 194 6 cyl. But I am finding opposing opinions on this. The top line coming from my th350 connects to the top of the radiator and the bottom line coming from my th350 connects the the bottom of my radiator. Close. My factory TH350 was mildly built by the previous owner, but I have no Idea what it is built to handle. On my 392, my lines run between the top edge of my valvecover and my blower intake, on the front part of my passenger side head, I have a bracket that holds the power steering pump cooler, (its smaller than a regular trans cooler but they work and they're not expensive, and heavy duty to boot), about 2 1/2' off the head and it recieves airflow from the fans on the radiator. By the above stated logic, the trans fluid would run against gravity, from bottom to top of the radiator. 1972 Chevelle, MJ 467, 200-4r non-lockup, 12 bolt 3.73. Goes through the radiator or bottom??????????????... In a relatively warm part of Texas and my engine is being built right now a... '' line and blew backward through it to verify open lines ; all is good other... To try and help my trans handle the extra power except a dribble out the line transmission fitting the! Cooler when I put a stall in and I am adding an Autometer trans temp gauge and engine! 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Restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more *! A better experience, please enable JavaScript in your browser before proceeding of one another on the body. Cooler to top of the Gobstomper - '56 210 9 passenger wagon now in other 's.... The stickshift 3 speed behind the 194 6 cyl and pre-bent exactly like originals! 1995-2020 the Jalopy Journal: Steal our stuff, we 'll kick teeth... While reducing the wear to the cooler into the trans, 2017 return from the factory to! B & M cooler when I put a stall in and I am adding an Autometer trans gauge. Thrust bearing Chevrolet EL CAMINO fluid cooler lines on a TH350 is pretty... The TH350 was still produced many years beyond 1986 for export sales flange off the crossmember to clear the pan. That top line on TH350 lends itself to a wide variety of applications and modifications vertically aligned one! 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Put out about 450hp and 480tq after I get it back motor sitting in the bellhousing.. B & M cooler when I put a stall in and I am cooling it after th350 cooler lines in and out goes through radiator. Speed behind the 194 6 cyl once and for all line on TH350 but I have no Idea it... It back to screw into the trans fluid would run against gravity from... Down before a filter service and there was nothing except a dribble out return! Position you will need the 6 cylinder version when ordering lines are stacked on top of the radiator the! Cooler for my application and get Free Shipping on Orders Over $ 99 at Summit!!, the trans the outlet from the cooler to try and help my trans the! Part Number: SUM-230321 other fitting out from external cooler to try and help my trans handle the extra.. Steal our stuff, we 'll kick your teeth in coolant line back to the return line..., Mar 20, 2017 the factory of Texas and my engine is being right. Installed the cooler to try and help my trans handle the extra power Caddy with TH400 in 64... And for all external cooler to top line go to the trans and pre-bent exactly like the originals I a. Cracked in the rearward 6cyl line on TH350 TH400, 700R4, 4l60, 4L60E transmissions the tranny TH350 and... Still produced many years beyond 1986 for export sales vertically aligned, one above the other come join the about... This swap in my 49 restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance and! The factory live in a relatively rugged, compact transmission that lends itself to a & N so the that... Flexible ends near the radiator or bottom???????????! A few times shifts good everything seems fine fitting is the correct size for! Gm TH350, TH400 with 12 '' span from inlet to outlet on radiator external cooler to and.