Quote:
Originally Posted by apersson850
You can have AWD with TF-80SC as well.
The correct answer is that TF-80SD is adapted for start/stop function.
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Quote:
Originally Posted by GrahamBrown1
Do you know in what way or how start stop effects it just purely out of interest? I turn start stop off can’t stand it. I can’t see it having any benefit to the mechanical Health of the car at all.
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Quote:
Originally Posted by Volvocano
With plain bearings such as the crank journals or big ends, it's not oil pressure per se that prevents metal on metal contact, the relative movement of the surfaces builds up a hydrodynamic wedge of fluid - once that wedge is built, in theory, you could replace the engine oil with water and have no loss of "lubrication" (until it boils!) - the oil pump simply has to provide enough fluid to cover losses from the oil (or water!) being flung out the bearing. I've absolutely no doubt that stop start reduces engine life - whether that's enough to reduce it to less than the life of the rest of the car is open to debate. Obviously startup is where the oil earns its stripes.
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Hmmm. I was posting about the difference in the AW Transmission designations, quotes above for context.