Which post are you referring to?
I used to tow, with my first two vans, third and current don't tow.
My first van, 7.3 was bone stock with 750,000 miles when I bought it, I had confidence to start towing with it and never let me down til its presumed death. It was misdiagnosed 4 times as cam walk, but it was later found out by the owner after a significant amount of time and money that it was the IDM. It had been taking on water.
My current rig runs cool, trans, never past 190, EOT never past 220, ECT 215
Typical running temps in balmy hot FL. Is EOT 210, ECT 203 TFT 163, EGT depending on which tune. (Mods are WW2, AIH delete, 4inch turbo back full exhaust) Stock upto 800, 60hp upto 1000, 80hp upto 1300. BUT I don't use that tune since I've replaced the motor.
But geeze it was fast! Tire shredding, donuts on command and serious drift capabilities lol
2001 E350 PSD w/ a bunch of stuff.
And had three other E350s...