I don't understand why running a 1 bar cap would be a risk at normal coolant levels (asides for possible cavitation or boiling at localized hot spots... Which is a risk at any level). When the coolant expands, the air would just vent once the pressure started to go beyond 2 bar
Originally Posted by SeanC
Apparently not. You need a really low fill (quite possibly even lower than the minimum level) not to risk anything with a 1-bar cap.
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Last edited by TerraPhantm; 10-07-2012 at 12:03 PM.