1975 trans cooler lines

thethee

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Hi all,

Last few weeks I've been working on the 440 in the new to me Imperial, replacing timing chain/gaskets/seals (can't believe there was still oil in this thing), and unfortunately broke one of the trans cooler lines so got some questions on that. It's the stock 727 torqueflite.

I'm guessing there is a pressure line and a return line, which is which? Also, are the stock lines 5/16" and what is the exact flare at the radiator side?
Thanks in advance!
 
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