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1989 Liberator 201

Old 08-26-2021, 06:23 PM
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Default 1989 Liberator 201

Hey all!
Iím new to the boat club and I have a 89 liberator 201 that I got as a project.
It has the OMC 350 King cobra setup.
It was sitting outside for 5 years and needs some TLC.
Skeleton is solid, floor needs some replacing
I got it running and all but it ended up with water in the oil after about 10ish minutes of runtime.
upon first finding this I did a full oil replace/Filter swap and tried again. Alas, milky white oil started spewing out of the heads again.
my next idea is to do a compression check and see what the numbers behold.
Iím hoping itís not a cracked block.
Any tips to help diagnose the issue would be greatly appreciated

if it is a block issue, how much would it be to either fix it/ or just get a new motor for it?
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Old 08-27-2021, 12:00 AM
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Could very well be a cracked block if the boat is from a colder state and not winterized properly. Take a good look for any wet spots on the side of the block after running, maybe a good inspection of the manifolds/risers. Depending on what you want to spend a good running take out motor would be cheap and have you back in business in a weekend.
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Old 08-27-2021, 09:18 AM
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Probably never was winterized properly. You sure it's not just a Cobra? King Cobras were mostly behind 460's in that era.
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Old 08-27-2021, 11:30 AM
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Been there done that. Cracked block or heads. I wouldn't even bother messing with it. A 350 is cheap to replace.

These guys know OMC drives and have parts...

https://www.allamericandriveservice.com/omc-cobra

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Old 08-27-2021, 11:55 AM
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Iíd further investigation to see if the boat is OK. A rotted floor is a big sign there are other problems. Hope not for your sake but itís a big percentage that do have further probs ( stringers/transom, etc)
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Old 08-27-2021, 12:13 PM
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Originally Posted by ShortCircuit View Post
Could very well be a cracked block if the boat is from a colder state and not winterized properly. Take a good look for any wet spots on the side of the block after running, maybe a good inspection of the manifolds/risers. Depending on what you want to spend a good running take out motor would be cheap and have you back in business in a weekend.

I am located in Northern MI, so not winterizing properly or at all is not good.
Upon closer inspection, it does have a steady stream of water coming from somewhere under the left side header. Looks like right from the block, or a hose is just spewing close to that area.
itís a little difficult to look around due to how tight it is on that side.
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Old 08-27-2021, 12:16 PM
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Originally Posted by cheech View Post
Probably never was winterized properly. You sure it's not just a Cobra? King Cobras were mostly behind 460's in that era.
It was sitting outside for at least 5 years with just a tarp over the motor, so thatís more than likely.
As for being a King Cobra setup, it does have the name on both sides of the hydraulics for the trimming of the Prop.
Not sure if thereís a specific name for that area.
Iím new to the boat world so I donít know the lingo yet.
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Old 08-27-2021, 12:18 PM
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Originally Posted by SB View Post
Iíd further investigation to see if the boat is OK. A rotted floor is a big sign there are other problems. Hope not for your sake but itís a big percentage that do have further probs ( stringers/transom, etc)
Yeah. Any special places I should take it to get it looked at? Or just any marine workshop will do?
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