How much test water do I need in tub to run outboard

G

GLE3

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Joined
May 5, 2010
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I have a 72 100HP johnson that I want to run in a tub/barrel The tub I currently have can only full the water up to where the lower unit starts (just above the cavitation plates). It is considerably above the intake where I normally put the flush when running on a hose. Is this ok to run or do I need the water further up?
 
Silvertip

Silvertip

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Joined
Sep 22, 2003
Messages
28,762
Re: How much test water do I need in tub to run outboard

If the water intakes are fully covered and don't vent while running you are good to go.
 
G

GLE3

Cadet
Joined
May 5, 2010
Messages
27
Re: How much test water do I need in tub to run outboard

By venting I'm guessing your talking about air getting into the intake rather than water?
 
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