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Jet Boats
General Jet Boat Discussions
after market temperature and flow guages on inboard jet
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<blockquote data-quote="PSG-1" data-source="post: 396480" data-attributes="member: 6937"><p>Amk, get an outboard pressure gauge. Use a "T" fitting in your cooling line going from the pump to the engine, and then hook the tubing for the pressure gauge to that. </p><p></p><p>If you are using an inline strainer, be sure to put the "T" <strong><em>after </em></strong> the strainer, and not before. Reason being, if the strainer clogs with the T on its inlet side, the gauge will continue to read pressure, even though no water is flowing to your engine. With the T installed on the outlet side, if the strainer clogs, you will see an instant drop in pressure. </p><p></p><p>This is the setup that I use in my boat. At 7K RPM with my FXHO (4,500 RPM for a non-reduction geared PWC engine) I am getting about 7-10 PSI. If I see higher readings, it means an obstruction beyond the strainer, or a kinked hose. Again, a drop in pressure indicates a clogged strainer, or clogged cooling line between the pump and strainer.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 396480, member: 6937"] Amk, get an outboard pressure gauge. Use a "T" fitting in your cooling line going from the pump to the engine, and then hook the tubing for the pressure gauge to that. If you are using an inline strainer, be sure to put the "T" [b][i]after [/i][/b] the strainer, and not before. Reason being, if the strainer clogs with the T on its inlet side, the gauge will continue to read pressure, even though no water is flowing to your engine. With the T installed on the outlet side, if the strainer clogs, you will see an instant drop in pressure. This is the setup that I use in my boat. At 7K RPM with my FXHO (4,500 RPM for a non-reduction geared PWC engine) I am getting about 7-10 PSI. If I see higher readings, it means an obstruction beyond the strainer, or a kinked hose. Again, a drop in pressure indicates a clogged strainer, or clogged cooling line between the pump and strainer. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
after market temperature and flow guages on inboard jet
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