Reply to "Electric water pump"

2112Member

Of course it has been years since I took physics in college, but I believe restrictions in the block, heads, T-stat etc, will restrict flow, therby increasing pressure (if the pump is capable) which directly decreases pump output.

Also, as mentioned above, sending coolant thru much faster reduces heat exchange and lowers cooling capability. It is actually a complicated dance.

The bulk of my experience is with closed cooling in an hi-performance (yes, Ford powered) boat. One of the ways I increased cooling capacity is by increasing the number of passes thru the exchanger (radiator) before returning to the engine. No change in pump needed.
Just my 2 cents.
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1/9/1511:45 AM

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