<strong>Yahoo Message Number: 18054</strong>Since we are now about to pull a trailer weighing about 7,000 lb, I'm considering changing to Transynd from Dexron at my next trans service. <br/>The idea being to reduce trans temps at slower speeds, ala, navigating inner cities, which seems to be the only time the trans temp rises. I see no change in mountainous country pulling 4,000 lb. <br/>Has...