After a 2 miles drive, these were my temps. After idling for about 10 minutes. Obviously, idling will raise temps a little...I'll be taking a 7 hour trip to the highest point in Oklahoma next month, so I'm trying to get tune-up stuff done if needed.
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It's on the list for payday. looked into it and read just about every thread on it.Temps are in the normal range.
However, perhaps look at the @caulk04 transmission cooler bypass valve mod.
It brings trans temps down by about 30c and also drops the engine temps by a few deg as well.
Transmissions are always happier when they're not running as hot as ours normally do.
You can also at doing oil changes with 5W30 synthetic and a good quality synthetic media oil filter, too.
I've got redline in my amazon cart. I have no idea what the dealer put in. I may do a new belt but everything suspension wise looks like it was replaced before i bought it a few months ago.86 degrees ambient per your screen shot....those temps are good to go. I'd be more concerned about fluids being fresh, tire condition, drive belt (idler, tensioner, belt) system, plugs, wheel bearings, u-joints than those temps.