Originally Posted by
T diesel
Ect 190to195 Eot 196to204 empty
Ect 205to220 eot 210to225 towing
Fan kicks on and the temps tumble down quickly.
Deltas are 4 to 8 degrees, even pulling my 5th w.
Egr. valve nice and dry.
No white smoke or antifreeze smell.
Pukes coolant only while towing under load.
Found combustion leak when tested.
I WISH it was the Egr.!
Sounds like you did your homework. I don't have a recommendation but good luck.