i guess nobody likes links... but is this what your using? http://cgi.ebay.com/ebaymotors/ALUMINUM-15-FINNED-TRANSMISSION-COOLER-DUAL-LINE-TRANS_W0QQitemZ230024998821QQihZ013QQcategoryZ4609 5QQrdZ1QQcmdZViewItem i was too thinking of using this on my Buick, frame rail mounted near trans. This particular one has 2 "core".
I recently found on at a swap for 20 bucks. not a bad deal and it is pretty big. Came with a line as well. I guess we will see. tok