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Unread 10-03-2002, 07:38 AM   #28
Volenti
Cooling Savant
 
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Join Date: Jan 2002
Location: in a nice cool spot
Posts: 427
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I "port" all the pumps I buy ,paying special attention to the suction side, some were pretty good already and didn't show much improvement, others gained up to 25% extra head (though that was an extreme case)
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