Recent content by 70cudagone

  1. 7

    2007 running hot- Flush trans?

    I have a 2007 suburban that was running at about 230-235 while towing in Smokie Mountains. Was thinking of adding a coolant additive such as wetter water, Royal Purple, etc. Just looking for any input. Trans temp was up too at about 230. I will probably install a trans cooler but ant thoughts on...