Boats For Sale:
water jacket and exhaust rust |
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8122pbrainard 
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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 Topic: water jacket and exhaust rustPosted: November-30-2014 at 3:15pm |
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Clark,
It sure looks like you got most of the water out. I just hope there aren't any low pockets of water where the RV didn't mix in since the RV is designed to be used full strength. Getting all the water out first is the concern. |
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malcolm2
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Joined: June-13-2010 Location: Nashville Status: Offline Points: 239 |
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Posted: November-30-2014 at 2:39pm |
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Comment? Where are the comments? Maybe "my kind of" engineer ain't so dumb afterall.
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malcolm2
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Posted: November-29-2014 at 4:01pm |
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Results of the refractometer are as follows:
1.036 specific gravity 46%ppt = what temp to freeze? I understand the RV anti-freeze I used had an SG of 1.039 so would that be 99.X% of -50* or -49.9*F? should be fine with GLOBAL WARMING and all.  Let me know your thoughts? HAPPY FESTIVUS TO ALL! 
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rebel skier
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Joined: October-17-2014 Location: Middle Tenn Status: Offline Points: 776 |
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Posted: November-25-2014 at 8:43am |
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We have been at the ramp at the same time. I have admired your boat and had Nautique envy disease. It is now cured :)
Happy Thanksgiving, Richard |
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malcolm2
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Joined: June-13-2010 Location: Nashville Status: Offline Points: 239 |
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Posted: November-25-2014 at 1:43am |
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7 points is the place most of the time. I put a big T and a name on mine a couple of years ago. I had a close up, but can't find it. 
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rebel skier
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Joined: October-17-2014 Location: Middle Tenn Status: Offline Points: 776 |
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Posted: November-25-2014 at 12:44am |
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If you launch at 7 points I have seen you. I was not in my Nautique though, did not own it yet, but in a 19 foot Stingray. That is going to be the family boat. The Nautique is my toy!
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malcolm2
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Posted: November-25-2014 at 12:14am |
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Hey, good to hear from another Tennessean. We spend most of our boating days on Priest. Not many Nautiques in this area... Welcome to the fun.
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rebel skier
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Posted: November-24-2014 at 7:40pm |
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If all goes well, that won't be necessary because I will put 50+ hours worth of lake water through the manifolds next year and flush the rust right out of there while getting buoys, riding on the boom, etc! :)
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Hollywood
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Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13514 |
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Posted: November-24-2014 at 7:32pm |
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That's a good way to cut your finger. Use a hose pick.
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rebel skier
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Posted: November-24-2014 at 7:26pm |
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This was my first year to have and winterize this boat. I was also surprised by the rust out of the exhaust manifold. The opening is large enough to put a finger in there and feel around, and feel some of the loose particles of rust on the bottom of the manifold. My block drained pretty darn clear, comparable to my other boat.
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Hollywood
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Posted: November-24-2014 at 6:49pm |
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It varies. We all have different aged engines, cooling systems, water quality and usage. Many are often surprised the first time they pull the plugs. Year after year I only get a small handful of flakes from my cast iron pyramid PCM manifolds. Block is always clean as a whistle.
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malcolm2
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Posted: November-24-2014 at 6:45pm |
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All 5 of mine are like this. To probe the "T" needs to be totally removed. I was really concerned with the amount of rust I found. No one seems to be mentioning HOW MUCH, just that it is expected. I suppose, in the future, I will do like some have mentioned and open these little ports during the summer and get some out. |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-23-2014 at 1:21pm |
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It's a pleasure to know you know your NPT thread engagment |
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leetudor
Groupie 
Joined: August-29-2014 Location: Mount Juliet,TN Status: Offline Points: 96 |
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Posted: November-23-2014 at 11:04am |
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With a petcock the blockage is more than likely in the bushing that is screwed in to the engine block not the engine block itself. If you replace the complete petcock assembly with a plug that is as deep as the casting wall or a bit longer the hole will not clog.
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-23-2014 at 10:35am |
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This must be the statement you are referring to?
And then I stated I don't remove the petcock but rather just the stem and by hand.
You must be finding the cheap ones? |
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leetudor
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Posted: November-23-2014 at 10:19am |
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Yes I did, look at post 14 or so. |
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8122pbrainard
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Posted: November-23-2014 at 10:01am |
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Yes, you have stated you remove them but haven't said why? |
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leetudor
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Posted: November-23-2014 at 9:44am |
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I am a equal opportunity remover and remove all. 
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8122pbrainard
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Posted: November-23-2014 at 9:37am |
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Lee I didn't say I remove the petcock. The stem is removable by hand!
Are you removing the cheap ones? |
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Gary S
Grand Poobah
Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: November-23-2014 at 12:42am |
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I got those from McMaster-Carr on Pete's recomendation on my Mustang. They are great,I'll actually open them up once and awhile when it's running so it flushes out. Mine stays real clean but I have seen muddy water come out once.
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leetudor
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Posted: November-23-2014 at 12:22am |
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If you are totaling removing the petcock why use it. I just place it with the plug when I remove the petcock for probing.
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-23-2014 at 12:10am |
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I do the opposite!  But, I use a specific petcock where the stem is completely removable. This allows for the probing with a wire.  These are not the cheap "radiator" type drains. Lee, why are you removing them? Are they the cheap ones? |
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leetudor
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Posted: November-23-2014 at 12:02am |
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When I winterize a boat, if it has petcocks in the block I will remove them and replace with a brass plug.
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-22-2014 at 11:22pm |
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Clark, I forgot to ask what type of petcocks are on your engine. Hopefully they aren't the ones Skidim sells. Any pictures? |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-22-2014 at 9:49am |
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Lee, Thanks for the facts on the Prestolite. It's good for everyone to know. I'm also glad to see they honestly state the freeze protection as a "burst" of -50 which means it actually freezes at 10 degrees but doesn't expand. |
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leetudor
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Posted: November-21-2014 at 11:19pm |
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This from the Prestolite website about their RV Antifreeze. Burst Protection to -50 Degrees Fahrenheit Ready to Use – Do not dilute Protection from rust and metal corrosion Non-Staining Dye Will not harm plastic (except acetate) |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-21-2014 at 9:54pm |
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malcolm2
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Posted: November-21-2014 at 9:28pm |
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I am interested in comments on the amount of rust. It seems that wire poking only releases the water. If you are lucky some rust comes out.
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-21-2014 at 6:13pm |
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From the "winterizing" thread in the FAQ thread:
"pull the two plugs on either side of the engine block and remove the plugs on the back of the exhaust manifolds. On PCM engines, there is another plug in the piece connecting the hoses coming from the thermostat housing and going to the engine block. Use a coat hang wire to make sure the openings are free of rust particles and debris." |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: November-21-2014 at 5:44pm |
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NO, The only thing that will test the level of the RV is a refractometer. Ethylene glycol and propylene glycol are two different antifreeze's. The "turkey baster with the balls" works on the ethylene. RV is propylene. As I and Tim mentioned, start over. What engineering field are you involved in? |
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rebel skier wrote: