Quote:
Originally Posted by kyphonii
Thought,
If you running on the beach in high range and working the convert then you would be adding a lot of heat to the radiator.
My auto temp guage, in low range, runs well under 100 degrees.
I have never seen high auto temp when in low range in my XJ.
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^^^ I like to add a +1 to this.
I have always noticed temps rose a lot harder and faster in 4wd high range. I started using low range, and noticed temps stayed lower for a lot longer, and generally more stable. Also noticed in lowrange, heaps more power as soon as you push down the pedal, and fuel consumption is better as well due to generally being at lower revs. It just idles along nicely in 3rd or 4th on the tracks i'm on.
My guess was that in high range, theres a lot more stress on the gearbox, its working a lot harder, and therefor getting hotter and quicker, transferring that heat to the radiator.