Cursed
Yesterday, 11:50 PM
#41
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Thread Starter
The blower becomes a blow torch, eventually the water from the intercooler puts the fire out (and cleans my pistons)
Happened about 3500rpm , suddenly no power , then it came back a bit , but wouldn`t go over 3K rpm .
Lucky I didn`t hydrolock it and bend rods.
There`s witness marks from flames coming out of the intke valve that lit that party.
Valve hung up, spring issue? Valve bounce?
Not Sure.
Checking installed height and spring pressures now to see that it has enough ..
Happened about 3500rpm , suddenly no power , then it came back a bit , but wouldn`t go over 3K rpm .
Lucky I didn`t hydrolock it and bend rods.
There`s witness marks from flames coming out of the intke valve that lit that party.
Valve hung up, spring issue? Valve bounce?
Not Sure.
Checking installed height and spring pressures now to see that it has enough ..
Today, 07:28 AM
#42
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Join Date: Jun 2004
Location: St-Hyacinthe, quebec, canada
Posts: 7,849
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280 Posts
Welp I was hoping not to wrench this much on this boat , thought I had payed enough money for it to be right but that didn`t work out.
I was really hoping for a winter without pulling engines ... at this point it`s embarrasing like I`m a total idiot that doesnt know what he`s doing, pulling engines every year .
Got guys like Johnny from Saris telling me all I can build is "garbage motors" .
It`s hard to keep going .
I was really hoping for a winter without pulling engines ... at this point it`s embarrasing like I`m a total idiot that doesnt know what he`s doing, pulling engines every year .
Got guys like Johnny from Saris telling me all I can build is "garbage motors" .
It`s hard to keep going .
but hang in there! You will see light at the end of the tunnel soon! I sure hope its not a train !
fix it and enjoy your dream boat next summer !
The following 2 users liked this post by jeff32:
madflavors26 (Today), TomZ (Today)
Today, 09:01 AM
#43
Registered
Man I feel your Pain!
I am going though everything you are. Bought a 34 Cat last year, haven't had it in water yet. Knowing that at least one engine was hurt. 825 Teagues that supposedly had the top ends done 50 hours ago. I planed on repower with more HP with new drives as well. Found a pair of "core" Quad rotor Teague engines here. One supposedly good the other apart with the same melted down intercooler issue as you, except cooper nickel cored. Try finding new copper nickel cores. Whipple doesn't even have them and no plans on making more. Both engines have total rebuilds now, after 6 months in the shop, still waiting on welded heads with new tucker seats to be done then assembled. Then to Dyno tuning, I think it was the tune that was the issue with my engine meltdown. Winter project is to get these engines in the boat with new drives. Old engine out for rebuilds then shelved or sold. Point is that you are not the only one as others have said. I know full well the more HP the more work to keep that HP. It just is what it is. HP engines, a true boat owners nightmare on steroids. Probably the main reason for the outboard trend, pull the whole unit and replace it for the cost of a rebuilt inboard.
Looking forward, has anyone put a temp sensor (Switch) that does not melt in the plenum area between the blower and intercooler? Wire in the sensor to power the ECU or relay to the fuel pump to kill the engine. Preventing the meltdown from happening again. This meltdown is an expensive fix for both $$$ and time. In my situation intercooler cores even used are all but nonexistent. These are MEFI 4 controlled engines. The temp sensor below the intercooler did melt down to a plastic glob. The other solution is to go to port injection below the intercooler.
I am going though everything you are. Bought a 34 Cat last year, haven't had it in water yet. Knowing that at least one engine was hurt. 825 Teagues that supposedly had the top ends done 50 hours ago. I planed on repower with more HP with new drives as well. Found a pair of "core" Quad rotor Teague engines here. One supposedly good the other apart with the same melted down intercooler issue as you, except cooper nickel cored. Try finding new copper nickel cores. Whipple doesn't even have them and no plans on making more. Both engines have total rebuilds now, after 6 months in the shop, still waiting on welded heads with new tucker seats to be done then assembled. Then to Dyno tuning, I think it was the tune that was the issue with my engine meltdown. Winter project is to get these engines in the boat with new drives. Old engine out for rebuilds then shelved or sold. Point is that you are not the only one as others have said. I know full well the more HP the more work to keep that HP. It just is what it is. HP engines, a true boat owners nightmare on steroids. Probably the main reason for the outboard trend, pull the whole unit and replace it for the cost of a rebuilt inboard.
Looking forward, has anyone put a temp sensor (Switch) that does not melt in the plenum area between the blower and intercooler? Wire in the sensor to power the ECU or relay to the fuel pump to kill the engine. Preventing the meltdown from happening again. This meltdown is an expensive fix for both $$$ and time. In my situation intercooler cores even used are all but nonexistent. These are MEFI 4 controlled engines. The temp sensor below the intercooler did melt down to a plastic glob. The other solution is to go to port injection below the intercooler.
