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Catastrophe during sea trials |
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Nautiquehunter 
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Joined: December-31-2008 Location: Lake Lanier GA Status: Offline Points: 1010 |
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 Topic: Catastrophe during sea trialsPosted: March-29-2021 at 7:42am |
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Sea trials with the Mustang have been going on for a couple weeks now. Seems like every time out a new problem pops up. I went over the Ignition and carb and the boat finally ran out great . I was idling in drive and noticed a different sound in the engine . I opened the hood and it was hot looked at the gauge 190
 . Lots of pollen and debri in the water from storm I thought the pick up was clocked. Next I looked at the Impeller .It was shredded .I removed pisces from the pump T stat installed a new impeller [ I always carry a spare] and made it home. Exhaust hoses were collapsed . I looked for impeller pieces in the pump and T stat. Is there any other places I should look? |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11118 |
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Posted: March-29-2021 at 7:54am |
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That's just a mild setback
 Sometimes those impeller parts sneak into the suction line and restrict the flow into the pump, so pulling the line from the transmission cooler to the pump and flushing it out would be a good idea Also see if any pieces made it all the way back to the transmission cooler, illogical as it may sound.. Also the lines to the manifolds from the thermostat housing and the manifold inlets themselves. Basically every cooling hose and component in the cooling system
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Nautiquehunter
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Joined: December-31-2008 Location: Lake Lanier GA Status: Offline Points: 1010 |
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Posted: March-30-2021 at 6:56am |
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I was thinking the same thing . I took the entire cooling system apart I found some air leaks in the suction side of the hoses between the raw water pump and the trans cooler but no more impeller parts.
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KENO
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Posted: March-30-2021 at 9:00am |
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So, it looks like with some new hoses the SS Tweety can go back out and resume sea trials again
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MrMcD
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Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3750 |
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Posted: March-30-2021 at 12:59pm |
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If you have all the pieces saved try and assemble the old impeller. You may see what is still missing or if you are already good. Any large pieces missing could cause you trouble.
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storm34
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Joined: November-03-2008 Location: Dexter Iowa Status: Offline Points: 4492 |
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Posted: March-30-2021 at 1:33pm |
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Crazy (or stupid) as it may sound, we had a heck of a time finding blockage after a similar incident. Ended up finding a few pieces wedged inside the raw water pump between the impeller housing and the outlet. Not sure how they were missed when installing a new impeller but it happens. We were pleased to find them as the next step was to remove the heads
 Check & double check....then check again.
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67 ski nat
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Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Posted: March-30-2021 at 3:30pm |
Great idea |
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MrMcD wrote: