Hey Chef, Ive done this mod to several pumps, some things to bear in mind. It will affect the pump, some will not start, the added weight centrificaly applied tends to bog them down, you will probably have to reduce the intake venturi and the air intake is LOUD,the finer the mesh the better and you can get round discs of holed plastic for needlepoint at craft shops I find this stuff better as you can actually centre it as ballance is critical, good luck
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