Quote:
Originally Posted by gefary
The "thinking head" of Wikapedia seems worth reading.
Under the heading
Radiator engine cooling
sub section Waterflow control.
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Yes it's a pretty standard description with one or two over-generalisations I think. For example, Wiki says that wax stats have a bleed through to allow hot coolant to soak around the capsule and operate the valve. It seems that the diesel stat is 'water tight' when closed (ref. Mike_Noc's tests). In many cases, a ball valve/giggle (jiggle) pin is used simply for air bleeding. I suspect that even a sealed stat will open at the correct temperature since the inlet hose always has a large bore where there will be sufficient turbulence from thermal gradients/vibration/pump pulsation to ensure the hot coolant does the job at the right time. That's why the in-line mod works OK. (Sorry, shouldn't have mentioned that).
TC