i run a maghytec pan and amsoil atf in my 9klb e250 van -towing my 5500-6000 lb race trailer- i never see 180 out of my scangauge even in the hills of pa

 

We just had our first tow of the new TT. 4,500 pounds dry weight. We towed into a hellashis 25 mph headwind with gusts to 40 mph! So I locked out overdrive. According to the ScanGauge, here are the differences in temps.
70 mph 60 mph
No load With TT

Trans Fluid 157 164

Cylinder Heads 204 208

Cooland 193 195

Not big differences. But it was only about 20 degrees here in balmy Minnesota.

The Reese "Straight-Line" WD & anti-sway system was awesome in that wind.

 

Well the formatting didn't turn out like I had hoped. I had columns for the numbers . . . .