[markkitch]

My Wanderlodge never went over 200F on my silverleaf, even for long up hills. I haven't done any major hills in the Newell, but at 80 mph and slight extended grades it creeps up to 205.

Low fluid can cause higher temps.

I am a huge fan of Transynd and will service the Newell transmission this summer.

One modification I am going to add for sure, that I did to the Wanderlodge, was add a thermostat controlled Derale fan to the curb side air louvers. This makes a huge difference in the summer. It's like a booster for cooling the radiator, CAC and transmission. I put the thermostat on the engine ceiling so that it was auto. It keeps the engine cooler and reduces heat build up in the rear of the coach. I'll post a few pics when I get it installed in case anyone is interested.