[vet57air]

Originally Posted by camcojb

I would think that the port towards the front of the vehicle is hot oil out to the cooler. Matt at Sled Alley could tell you, he just fabbed up trans cooler lines on an 8L90E for Charley's 67 Camaro.

https://lateral-g.net/forums/showpos...&postcount=371

For your interest the front port is out to cooler. I disconnected the rear port to do my flush so it flushed the cooler also. All flushed with the new improved fluid.