Yesterday, 09:10 PM
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| Senior Member ?Join Date: Apr 2011 Posts: 114 | is there any real down side to using automotive antifreeze to winterize your stern drive and engine? I wanted a little anti-corrosion protection but all of the pink stuff on the shelf was rated to -20F ... and it gets colder than that here. so i picked up some regular green stuff and mixed that up to fill up the engine block and water intake. in order to make sure i got all the water out, i opened all the drains and poured straight antifreeze into the block and manifolds until i saw green come out, then re-installed all the plugs. then i mixed the rest at about 70/30 which is good down to -80F and filled the block, manifolds, and poured it down the water intake hose until it came out the intake holes on the out drive. My thinking was that if there was any water at all in the block, the antifreeze would be plenty strong wouldn't get diluted enough to ever freeze. i guess it is done, so it is what it is for this year, but if there is something i'm unaware of, i thought i should ask before it gets really cold. other than the extra money spent, is there anything else i'd be missing? I'll start it up on land in the spring to flush out all the green stuff and make sure it doesn't get in the lake. any thoughts? |
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Yesterday, 09:50 PM
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| Senior Member ?Join Date: Dec 2011 Location: SW Florida Posts: 910 | I suppose if you are poisoning your own land it is OK, just don't tell the EPA Watch the pets. They love antifreeze and it will kill them. |
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Yesterday, 10:38 PM
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| Junior Member ?Join Date: Sep 2012 Posts: 1 | Please don't put in at ramp either, untill you've flushed the motor. You are supposed to use rv antifreeze because it is non toxic. I find its usually cheaper too. |
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Today, 03:06 AM
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| Senior Member ?Join Date: Jul 2010 Location: Coastal South Carolina Posts: 697 | a
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Today, 03:44 AM
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| Member ?Join Date: Mar 2010 Location: woodslee,on. Posts: 41 | We invaded the mid eastern countries because they did not use RV anti-freeze.WTF is that post about. |
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Today, 04:19 AM
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| ? Join Date: Sep 2011 Location: NJ Posts: 863 | Quote:
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Today, 07:01 AM
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| ? Join Date: Jan 2004 Location: Pittsburgh, Pennsyltucky Posts: 4,248 | Not all pink anti-freeze is the same. Despite the pink color, there are big differences. This is pink, but it is not engine anti-freeze: http://www.walmart.com/ip/Super-Tech...reeze/17179674 Here's the pink stuff your supposed to use in engines. At least this is what I used to use. Looks like it's really gone up in price: http://www.jamestowndistributors.com...ct.do?pid=7812 I've never tried it, but you could probably use this: http://www.defender.com/product.jsp?...9347&id=138821 Don't use the cheap -20 below stuff they sale at Walmart. That's not for engines. Good for on-board plumbing perhaps, but use an anti-freeze made for engines. Here's camco's website of rv and marine antifreezes: http://www.camco.net/# __________________Grady White SeaFarer 226 w/Yamaha F225 - SOLD Starcraft 16ft SC w/OMC 60 and 9.9 |
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Today, 08:27 AM
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| Senior Member ?Join Date: Dec 2011 Location: SW Florida Posts: 910 | They put propylene glycol in toothpaste. |
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Today, 12:20 PM
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| Senior Member ?Join Date: Apr 2011 Posts: 114 | any and all of the products mentioned above would have been great .... if i could have found them. all i could find was the stuff at walmart, or something the same sold at a different store. hence the reason i just used the green stuff. and around here it is summer one day, and the next day it freezes overnight, so i had exactly one day to find something and get it done... just the way the weather works around here. if you all are bored, go to any of these product web pages and search for local dealers in zipcode 57103.... i haven't found one yet. thanks for all the product suggestions, I'll look into ordering something before next year. I always start it up on land before going to the lake anyway, so flushing it out is a foregone conclusion. might kill some grass, but it wouldn't be the first time. thanks again, i'll look into better products for next year. |
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Today, 07:24 PM
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| ? Join Date: Dec 2006 Location: At the floaters . . . Posts: 2,304 | Propylene glycol is whats used in hydronic heating systems (sure there's some of those around South Dakota). It is used because there is a possibility of propylene glycol mixing with your freshwater supply via a mixing valve to insure the system stays full. It can be mixed at different ratios depending on the freeze protection you need. This is what is used in remote Alaska (where it is *significantly* colder than where the OP lives). Readily available in colder climates, just maybe the OP didn't know about it. It is usually sold in 5 gallon buckets. The main problem with the green stuff, as noted previously, is the toxicity. Especially to cats, they love the taste. Live and learn. -Rob |
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Source: http://www.thehulltruth.com/boating-forum/458449-automotive-antifreeze.html
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