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Old 08-07-2014, 09:29 PM   #21
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Country: holland
Location: lelystad
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Interests: boats,cars,motorcycles,greyhounds
Boat name: suck gass and haul ass
Boat make: cougar 27 offshore class 2
Engines: twin johnson v6
Cruising area: wolderwijd/veluwemeer/amsterdam rijnkanaal/utrecht

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Location: lelystad
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hi i have a question (sorry for hijacking this topic)
i am currently changing my boat from normal pickups to transom tubes... but my question is how big is the hole i should drill in the pump housing and what size of 90 degreed elbow should be used ?
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Old 09-07-2014, 02:00 PM   #22
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Country: Ireland
Occupation: Burning Petrol
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Boat name: The Doc
Boat make: Ring 21C
Engines: Yam proV 200
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Well the ones from Bobs were 20mm or 3/4" with a tapered thread and you drill the lu below the pump housing to access the intake
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