Quote:
Originally Posted by NZ XR6
Could be. Ash buildup would have less effect on flow through.
But how does the filter work unless there is wall flow?
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With less effectiveness:
http://www.hussgroup.com/huss-umwelt...filtration.php
I'm still in the dark whether 'high flow' and 'flow through' are equivalent, and why Ford don't specify low SAPS. All a bit academic maybe, my cars seem to use very little oil, don't need topping up in 15000km anyway.
Maybe there's a high flow wall flow filter.