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Trans Cooler Lines


201fireman

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I am installing a cooler to add to the current stock cooler.  I have looked all over online and even on here and it seems almost split on which line is the out and which line is the return line on a TH350 trans.  Even TCi and B&M are opposite. TCI says bottom out of trans to bottom into radiator, and top of radiator is the return to the trans and B&M says the top of trans is the output to top of radiator and bottom of radiator is return to trans.  If anyone knows for sure please post...

 

Also, I am adding a trans temp gauge with an Autometer manifold in line to read the temp.  Where do I read the trans temp? Do I install the gauge manifold on the hot side or on the return line after the fluid is cooled to measure fluid temp?

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I have my trans temp sensor in the tans pan, my 70 runs 190° in this location but I do have an external cooler along wit the stock cooler. I want to say my top line is connected to the external cooler and then it goes back to the metal line to the trans.

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