I'm working on installing my TDR Rotrex kit on my '91 with 1.6 motor. I think I've identified an issue with how TDR has designed their oil cooling system, the cooler, filter and reservoir all need to be below the shaft of the SC. TDR has their resevoir mounted high up by the brake booster. In reviewing the Rotrex documentation I also noted that the maximum length of the oil cooling circuit must not exceed 6 meters. Below is a picture of the oil cooler supplied by TDR. How do I calculate the length the cooler adds to the overall circuit? Does the oil go to each horizontal passage before exiting or does it just "pick one" then exit (basically are the horizontal passages in series or in parallel)?

 

It just picks one. It is parallel, not serial.