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Old 09-26-2005, 07:06 PM
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Default Engine flush with soap in line.

My neighbor puts a shot of dishwasher liquid soap in the hose before he flushes the engine. Anyone try this and what are your thoughts.
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Old 09-26-2005, 07:22 PM
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Default Re: Engine flush with soap in line.

I wouldn't
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Old 09-26-2005, 08:25 PM
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Default Re: Engine flush with soap in line.

I had an old salt tell me that's what they did as soon as they got the boat back to the house and they never had a problem.
I've been doing it when back from saltwater use. Seems to help wash away the salt.

I'm sure more experienced members will chime in here too.
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Old 09-26-2005, 08:30 PM
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Default Re: Engine flush with soap in line.

soap can be very corrosive, so i would rinse an exta few minutes after the soap.
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Old 09-26-2005, 08:33 PM
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Default Re: Engine flush with soap in line.

watch them "old salts" - engines are not the same these days - get the wash kit from saltaway or woody wax if you want to do it right and get more protection than water....
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Old 09-26-2005, 09:51 PM
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Default Re: Engine flush with soap in line.

This came from a Suzuki dealer, Small amount of liquid soap in the hose and flush for 15 min. Five years from now i will tell you if it has worked (Well). I have been useing it on three motors all this year. Two Yamies and one Suz. All run in salt water.
I was also told the more often motor is flushed the better. Don't let the motor set for long periods.jim
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Old 09-26-2005, 11:55 PM
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Default Re: Engine flush with soap in line.

I bought a SaltAway kit ... fluid lasts about 3 min before the reservior is totally diluted (which means the engine has flushed all it's gonna with that magical stuff). I doubt anything is so good that 3 minutes is gonna make or break anything. After using up that quart, I went back to a couple of loads of Dawn and flush until clear, and I suspect I'm getting just as much "protection" as the expensive stuff. This ain't rocket science, flush (or not) until you're happy, do adequate preventive maintenance either way (operative word is "preventive"), and don't look back ...
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Old 09-27-2005, 12:38 AM
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Default Re: Engine flush with soap in line.

My concern would be the effect(s) of "soap" on the gaskets, seals, rubber o-rings, etc.???

I would be VERY carefull about WHICH "soaps" I used - haven't heard of this "use" before?

Maybe good, but I'd get PLENTY of opinions before I'd deviate from what the "manual" says - or DOESN'T say?!

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Old 09-27-2005, 01:15 AM
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Default Re: Engine flush with soap in line.

I heard you should Dawn dish soap for this. I just freshwater flush mine.
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Old 09-27-2005, 07:51 AM
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Default Re: Engine flush with soap in line.

Quote:
Curmudgeon - 9/27/2005 12:55 AM

I bought a SaltAway kit ... fluid lasts about 3 min before the reservior is totally diluted (which means the engine has flushed all it's gonna with that magical stuff). I doubt anything is so good that 3 minutes is gonna make or break anything. After using up that quart, I went back to a couple of loads of Dawn and flush until clear, and I suspect I'm getting just as much "protection" as the expensive stuff. This ain't rocket science, flush (or not) until you're happy, do adequate preventive maintenance either way (operative word is "preventive"), and don't look back ...

SUPPOSEDLY.... the saltaway and woody kits leave a protective film behind after flushing...based on when I use saltaway on my windshield and tackle, I would beleive them , as salt seems to dissipate after it dries and gets hit again..but who knows about the inside of the engine....

and when I use the woody flush kit, they tell you to flush for 10 min and the last 3 min to bleed in the magic potion and then turn it off as soon as it is gone so you don't flush it out...makes sense to me...I do it about once a month and when we took out the t-stats at 100 hours they looked brand new ..so good enuf for me...
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Old 09-27-2005, 07:53 AM
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Default Re: Engine flush with soap in line.

Quote:
Curmudgeon - 9/27/2005 12:55 AM

I bought a SaltAway kit ... fluid lasts about 3 min before the reservior is totally diluted (which means the engine has flushed all it's gonna with that magical stuff). I doubt anything is so good that 3 minutes is gonna make or break anything. After using up that quart, I went back to a couple of loads of Dawn and flush until clear, and I suspect I'm getting just as much "protection" as the expensive stuff. This ain't rocket science, flush (or not) until you're happy, do adequate preventive maintenance either way (operative word is "preventive"), and don't look back ... :thumbsup:
Rinse first until the water is cool and clear, then turn on the SaltAway. Run until suds exit the engine and turn the water off. This leaves the SaltAway solution in the engine until the next use.

I'm not a chemist but I don't think the fact that it creates "suds" equates Dawn dishwashing detergent to SaltAway. :roll

One of the boating magazines tested these products a while back and concluded that SaltAway and simmilar products do work. :)
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Old 09-27-2005, 11:12 AM
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Default Re: Engine flush with soap in line.

I've used the biodegradable boat soap (Meguires?) in the hose for flushing (just a few ounces), then flushed for 5-10 mins after. I'm sure it helps get the salt out a little. I decided to try this since I noticed that a spray-down with some of that boat soap in a fertilizer-type (hose-attached) sprayer, vs. just water, rinses the salt spray/scum off the boat 10-times better. So I figured it probably has similar benefits as Salt-Away in the motor. I used a jug of Salt Away (or maybe it was Salt Free?) once, but didn't like the rip-off price of the refill. I don't use soap every time I flush though; I usually just use water.
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Old 09-27-2005, 12:58 PM
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Default Re: Engine flush with soap in line.

Quote:
I used a jug of Salt Away (or maybe it was Salt Free?) once, but didn't like the rip-off price of the refill. ............
It's not really fair to call it a "rip-off price" unless we know the manufacturer's cost and their markup. Considering that the simmilar products are competitively priced, I am inclined to believe that the prices are in line with production and distribution costs.

These products may or may not be worth the cost for the benefits they provide, but with an engine (and possibly an outdrive) worth several thousand dollars, it's pretty inexpensive insurance to use them.

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Old 09-27-2005, 12:59 PM
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Default Re: Engine flush with soap in line.

I use cheap laundry soap in my salt away dispenser. I'm not a scientist or metalurgist. I just figure if its good enough to clean my blue jeans, its good enough for my cruddy old motor. No problems yet & it leaves my motor with a fresh, clean scent!
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Old 09-27-2005, 01:18 PM
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Default Re: Engine flush with soap in line.

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Outrage22Cuddy - 9/27/2005 1:59 PM

I use cheap laundry soap in my salt away dispenser. I'm not a scientist or metalurgist. I just figure if its good enough to clean my blue jeans, its good enough for my cruddy old motor. No problems yet & it leaves my motor with a fresh, clean scent!
Mix up some of this solution, put it in a jar and soak a nail in it for a day or two.
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Old 09-27-2005, 02:16 PM
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Default Re: Engine flush with soap in line.

I will try it. I paid $40 for a gallon of salt away when I bought my boat. I used it every time. I still got a crack in my lower unit which is caused by salt build-up around the bearing housing carrier. When I flush with laundry soap, I just use a little bit & the water clears up before the flush time is up. I will also try the corrosion experiment with not only a nail, but with a piece of aluminum.
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Old 09-27-2005, 02:32 PM
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Default Re: Engine flush with soap in line.

Using anything but water is a waste of time and money IMO. I've torn down PH's and LU's of motors I've flushed with just water and they look like new. Fail to flush and the internals get crudded up with salt pretty quickly. Just flush long enough to m,ake sure the thermostats open and allow complete purging of salt.

Outrage22Cuddy, I doubt the crack in the LU was caused by salt, it just got there after the metal opened.
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Old 09-27-2005, 02:47 PM
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Default Re: Engine flush with soap in line.

my friends dad puts a little motor oil in his to flush. Any thoughts of this being bad for the motor?
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Old 09-27-2005, 03:19 PM
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Default Re: Engine flush with soap in line.

[quote]WildeOne - 9/27/2005 2:32 PM

Using anything but water is a waste of time and money IMO. I've torn down PH's and LU's of motors I've flushed with just water and they look like new. Fail to flush and the internals get crudded up with salt pretty quickly. Just flush long enough to m,ake sure the thermostats open and allow complete purging of salt.


I have often wondered, if when using the flush port, whether the thermostats come into play. I don't flush the engine until back at home. The initial water from the pee stream is hot to the touch with only about a 15 minute delay from boat ramp to home. What about folks who have a much longer delay and the motor is completely cooled down by the time it is flushed? [with flush port]. I am guessing here that the flush port gets water directly into the engine and bypasses the thermostat.
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Old 09-27-2005, 04:30 PM
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Default Re: Engine flush with soap in line.

Quote:
rwidman - 9/27/2005 1:18 PM

Quote:
Outrage22Cuddy - 9/27/2005 1:59 PM

I use cheap laundry soap in my salt away dispenser. I'm not a scientist or metalurgist. I just figure if its good enough to clean my blue jeans, its good enough for my cruddy old motor. No problems yet & it leaves my motor with a fresh, clean scent!
Mix up some of this solution, put it in a jar and soak a nail in it for a day or two.
Don't understand. Do you have nails in your engine?
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