I think that leaning towards regular changes for the auto is a good idea. When you think about it we have a 2.5 t vehicle using a high reving engine with an auto that is fairly high geared and then we make it work like a GT at lights and hook 30 ft boats on it!

So the oil has to be worked hard, hard working oil = degradation = wear= more frequent changes required.
However I stress this is MY thoughts only!

I could be wrong............. The Mrs and kids tell me often enough!
Cheers Scott
“Those who can make you believe absurdities can make you commit atrocities.” Voltaire
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