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  #1  
Old 09-08-2009, 10:21 PM
gsh748 gsh748 is offline
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Beware Petcock on block - Winterizing Tip

To All,

Just winterized my 205 V opened the petcock and water came out on the one side to drain the block. Something in the back of my head said that I should remove the whole 3/4 inch brass fitting just to be safe, water gushed out of the opening. The petcock was glogged with rusty particles which did not allow the water to come out. I am going to remove the petcock for good and only have a brass fitting which will need to be removed during winterizing to be safe. This could have been a very costly mistake living in wisconsin.

If anyone has any other information / suggestions on winterizing a 205 V or a check list, please let me know.

G
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  #2  
Old 09-08-2009, 11:08 PM
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east tx skier east tx skier is offline
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Welcome. Here's a checklist that should help.

Link


Good call on not trusting the petcocks. Where you can, i.e., not on the knock sensor, replace those petcocks with brass plugs. 1/4" on the block, 3/4" on the mainfolds. Much easier to get at with a socket or box wrench.
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To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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  #3  
Old 09-09-2009, 11:08 AM
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rholmes rholmes is offline
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Do you know how many threads per inch?
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  #4  
Old 09-09-2009, 01:25 PM
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east tx skier east tx skier is offline
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Quote:
Originally Posted by rholmes View Post
Do you know how many threads per inch?
No. I just picked up brass 1/4" or 3/4" NPT plugs at Napa.
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Previous: 1993 Prostar 205

Red 1998 Closed Bow Ski Boat, Ford 351, 310 hp, Acme 4 blade, Perfect Pass SG.

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To me, this forum is about love of inboard boats. It is about the sharing of information and, on a good day, some humor. It is not about post count, brand of boat, or any other superfluous labels that lend themselves to a false sense of superiority. Please, respect one another, try to pass on accurate information, and keep your eye on the ball.
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  #5  
Old 09-24-2009, 01:52 PM
88 PS190 88 PS190 is offline
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I never pull my petcocks, but after the water stops flowing I fill my block with rv antifreeze until it flows out, and I always see a good stream out of the petcocks, it will hit the carpet if I don't deflect it.
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  #6  
Old 09-24-2009, 02:46 PM
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I never open the petcocks, I just flow rv antifreeze through until it comes out exhaust. Should I be doing petcocks too?
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  #7  
Old 09-24-2009, 02:59 PM
mayo93prostar mayo93prostar is online now
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87, One theory to reduce amount of AF needed, drain block after warming up, close, then run AF in. Otherwise you need to flush all that water out. I actually fog my engine after warming up, then drain block, and fill AF by removing the hose from the output of the raw water pump, rotating it upwards and pour 2 gallons of pink RV AF in. Mine is kept in an unheated garage but I do NOT live in Minnesota.
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  #8  
Old 09-25-2009, 10:24 AM
dazarov
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Best Practice

I am a newbie winterizing my 89 Tristar for the first time. I have spent hours on this site reviewing the checklists, supply lists, oil recommendations, etc. Great stuff - Thanks.

I live in Michigan and my boat will be in sub-zero temps, so I want to ensure I do this right and even after all of my reading I still have a couple of questions:

1) What is considered the best way to circulate the anti-freeze through the engine? My plan was to get the boat warm and then fill a 5 gallon bucket with anti-freeze and run the boat until it is all used up fogging the engine at the end, is that acceptable or is there a better way?

2) What type of Anti-freeze is recommended for my engine?

Thanks for your help with these questions and all of the other great info on this site.
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  #9  
Old 09-25-2009, 10:40 AM
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JimN JimN is online now
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Quote:
Originally Posted by gsh748 View Post
To All,

Just winterized my 205 V opened the petcock and water came out on the one side to drain the block. Something in the back of my head said that I should remove the whole 3/4 inch brass fitting just to be safe, water gushed out of the opening. The petcock was glogged with rusty particles which did not allow the water to come out. I am going to remove the petcock for good and only have a brass fitting which will need to be removed during winterizing to be safe. This could have been a very costly mistake living in wisconsin.

If anyone has any other information / suggestions on winterizing a 205 V or a check list, please let me know.

G
If you have read many of the threads on winterizing, you will have seen me recommend replacing the petcocks with a brass plug. When a motor gets its coolant from raw water, a petcock is the last thing that should be used. GM ships them with it, Indmar leaves it in and so does MC and the rest of the boat manufacturers. I think someone should make the first move to replace them before the boat is sold.

FYI- just living in Wisconsin is a costly mistake.
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  #10  
Old 09-27-2009, 10:54 PM
dazarov
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Any Suggestions

Please share your thoughts on my two questions. Thanks

Quote:
Originally Posted by dazarov View Post
I am a newbie winterizing my 89 Tristar for the first time. I have spent hours on this site reviewing the checklists, supply lists, oil recommendations, etc. Great stuff - Thanks.

I live in Michigan and my boat will be in sub-zero temps, so I want to ensure I do this right and even after all of my reading I still have a couple of questions:

1) What is considered the best way to circulate the anti-freeze through the engine? My plan was to get the boat warm and then fill a 5 gallon bucket with anti-freeze and run the boat until it is all used up fogging the engine at the end, is that acceptable or is there a better way?

2) What type of Anti-freeze is recommended for my engine?

Thanks for your help with these questions and all of the other great info on this site.
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