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350 V8 penta engine full of water after winter (Won't move)

  
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T-Rav

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Since: May 08, 2006
Posts: 4



(Msg. 1) Posted: Sat Jun 17, 2006 8:40 am
Post subject: 350 V8 penta engine full of water after winter (Won't move)
Archived from groups: rec>boats>building (more info?)
Hello, I was wondering if anyone had any suggestions for me. I have a
bayliner that I bought with a rebuilt motor, however, the old owner
left the distributor out of the engine and the cover off over the
winter and the motor filled with water. I was able to drain the water
and add oil, but I can not get the motor to move. I have taken it out
of the boat and now it is on a engine stand with the pan off soaking in
Marvel Mystery oil. The engine was never started with water in it. Any
suggestions on inspecting for damage? Freeing up the motor? Thanks for
your help.

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ee

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Since: Jun 17, 2006
Posts: 1



(Msg. 2) Posted: Sat Jun 17, 2006 3:47 pm
Post subject: Re: 350 V8 penta engine full of water after winter (Won't move) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"T-Rav" wrote in message

> Hello, I was wondering if anyone had any suggestions for me. I have a
> bayliner that I bought with a rebuilt motor, however, the old owner
> left the distributor out of the engine and the cover off over the
> winter and the motor filled with water. I was able to drain the water
> and add oil, but I can not get the motor to move. I have taken it out
> of the boat and now it is on a engine stand with the pan off soaking in
> Marvel Mystery oil. The engine was never started with water in it. Any
> suggestions on inspecting for damage? Freeing up the motor? Thanks for
> your help.

Pull the motor and send it to the machine shop for a rebuild.

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Capt. Geoffrey Thorpe

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Since: Apr 19, 2006
Posts: 4



(Msg. 3) Posted: Sun Jun 18, 2006 7:16 pm
Post subject: Re: 350 V8 penta engine full of water after winter (Won't move) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"T-Rav" wrote in message

> Hello, I was wondering if anyone had any suggestions for me. I have a
> bayliner that I bought with a rebuilt motor, however, the old owner
> left the distributor out of the engine and the cover off over the
> winter and the motor filled with water. I was able to drain the water
> and add oil, but I can not get the motor to move. I have taken it out
> of the boat and now it is on a engine stand with the pan off soaking in
> Marvel Mystery oil. The engine was never started with water in it. Any
> suggestions on inspecting for damage? Freeing up the motor? Thanks for
> your help.
>

You have it out. That's the hard part. You're just going to have to get it
apart to find the problem. I'd start by pulling the pan - then you can pull
a rod bearing or two and find out if the pistons are rusted in the bore or
if the problem is somewhere else.

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.
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T-Rav

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Since: May 08, 2006
Posts: 4



(Msg. 4) Posted: Mon Jun 19, 2006 11:05 pm
Post subject: Re: 350 V8 penta engine full of water after winter (Won't move) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Thank you for all your help. I would like you to know that I have taken
the pan off, soaked the the cylinders and with some rocking it back and
fourth, I have freed the engine. I can now turn it almost by hand. No
sign of any rust in the cylinders. I am replacing the oil pump and will
put it back together. Any extra advise at this point?
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Capt. Geoffrey Thorpe

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Since: Apr 19, 2006
Posts: 4



(Msg. 5) Posted: Tue Jun 20, 2006 5:14 pm
Post subject: Re: 350 V8 penta engine full of water after winter (Won't move) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"T-Rav" wrote in message

>
> Thank you for all your help. I would like you to know that I have taken
> the pan off, soaked the the cylinders and with some rocking it back and
> fourth, I have freed the engine. I can now turn it almost by hand. No
> sign of any rust in the cylinders. I am replacing the oil pump and will
> put it back together. Any extra advise at this point?
>

Check the compression and fire it up on the driveway before you make the
effort to re-install it...

But don't waste too much time or you will run out of summer.

--
Geoff
The Sea Hawk at Wow Way d0t Com
remove spaces and make the obvious substitutions to reply by mail
When immigration is outlawed, only outlaws will immigrate.
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Brian D

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Since: Nov 28, 2005
Posts: 43



(Msg. 6) Posted: Tue Jun 20, 2006 5:14 pm
Post subject: Re: 350 V8 penta engine full of water after winter (Won't move) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
We had that happen on a car's V8 once when it was left over winter without
spark plugs in it. The motor froze up pretty good, including the
distributor shaft. We got it freed up and replaced the distributor, but it
burned oil like heck after that. Ended up disassembling, honing out the
cylinders, replacing the rings, valves, and valve guides. It was fine after
that.

Brian D


"Capt. Geoffrey Thorpe" <The Sea Hawk at wow way d0t com> wrote in message

> "T-Rav" wrote in message
>
>>
>> Thank you for all your help. I would like you to know that I have taken
>> the pan off, soaked the the cylinders and with some rocking it back and
>> fourth, I have freed the engine. I can now turn it almost by hand. No
>> sign of any rust in the cylinders. I am replacing the oil pump and will
>> put it back together. Any extra advise at this point?
>>
>
> Check the compression and fire it up on the driveway before you make the
> effort to re-install it...
>
> But don't waste too much time or you will run out of summer.
>
> --
> Geoff
> The Sea Hawk at Wow Way d0t Com
> remove spaces and make the obvious substitutions to reply by mail
> When immigration is outlawed, only outlaws will immigrate.
>
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