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98 GTX RFI melted resonator/flooded hull

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fractus

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Solved my voltage rectifier/regulator problem ran it for an hour and a half and since have stepped in a big pile of Doo.
Long short. resonator on left side (long horizontal one behind the battery) the plastic male end melted/deformed enough that it enabled the hull to flood in about 5 mins. Kind of on the far end of the system to get that hot and melt? Pulled it ashore before it went down all the way ended up with water just over the crank position sensor. Bailed it out and got it home. Followed a flooded engine senario. Engine runs/starts easy. So I put new plugs in it. It just seems to bog down most of the times over 4k rpm. I can't run it in the water until I get a new resonator. I will fog the cylinders.
2questions. Why did resonator melt (yeah heat) but maybe clogged cooling passages? Which ones to check? Should my bogginess go away with new resonator? Is there anything I maybe overlooked? Changed out plugs 10x and have run it about 20-30 minutes total between all the plug cleanings at about 3-4k rpm. Thanks in advance.
 
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Resonators

I've heard of them melting before. I own a 98 GTX RFI and am considering removing them. I've seen how-to threads on the process somewhere before.
 
The Water Regulator, item 16-29 of the cooling system is faulty or incorrectly set.
At low rpm lets alot of water in, cuts it short at High RPM so the motor does not have to use HP to push water out of the exhaust system.
 
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