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> Decoke an engine
davep
post Feb 25 2004, 01:40 PM
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Years ago when I worked in a dealership we used a fluid to burn the carbon from the combustion chambers. The mechanic would take the car out into the country, then hook up a line from the can to a vacuum port on the intake side, and go for a little run. The smoke would just billow out until the can ran dry. It apparently did a good job. Does anyone recall this product that I can use to burn some carbon out?

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Mueller
post Feb 25 2004, 01:46 PM
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water???
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d7n7master
post Feb 25 2004, 01:47 PM
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I've seen it done with plain 'ol water poured out of a Coca-Cola Bottle into the carb while keeping the rev's up. (by a mechanic at a Arco station I worked at as a kid...) (IMG:style_emoticons/default/ohmy.gif)
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JWest
post Feb 25 2004, 01:49 PM
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GM Top Engine Cleaner - get it at your GM Dealer.
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Jake Raby
post Feb 25 2004, 01:49 PM
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I have used coca cola to do it before....

I have even had some low power Turbine engines like a 2liter of coke ran through them..... The deposits just pour out of the exhaust flange.
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redtiny914
post Feb 25 2004, 01:55 PM
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He is right about the Coca Cola....I believe it works because of the acid in the coke.

I am a nurse and we use coke to clean out G tubes...same concept though...just using it on people instead of cars in my line of work..... (IMG:style_emoticons/default/smile.gif)
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Jake Raby
post Feb 25 2004, 02:16 PM
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Using orange Kool-aid to clean the toilets onboard ship was the most amazing one I have seen! Cleaning a pisser that sees 1000 people a day is a true chalenge for anything... Kool aid is the best! Just ask any Squid and they'll say the same thing!
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lagunero
post Feb 25 2004, 03:02 PM
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Swepco has a product and the instructions are very much the same as you describe. I think it's the Valve Cleaner additive.
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JmuRiz
post Feb 25 2004, 03:10 PM
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So has anyone done this...or have they just heard of doing it (aside from Jake)? And does it really work? Might help a tired old car/bike work a little better. My bike had a ton of buildup in the header when I repainted it (IMG:style_emoticons/default/blink.gif)
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MattR
post Feb 25 2004, 05:04 PM
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Coke should add an addendum to their label for instructions...
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airsix
post Feb 25 2004, 05:38 PM
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Whatever wonder concoction you guys put down your intakes make sure it's in small enough quantity that you don't get a hydraulic lock and bust the motor. I'ts probably easier than it sounds (to lock & bust the motor). I would replace the word "pour" with "mist" in all of the above. I have seen a motor get hydraulic locked on a surprisingly small volume of fluid.

-Ben M.

Disclaimer - I don't have any experience doing this and am neither recommending nor discouraging against it.
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steve@ottosvenice.com
post Feb 25 2004, 06:32 PM
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This is The Stuff to use. Steve\

http://www.dr-willardswater.com/
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need4speed
post Feb 25 2004, 07:13 PM
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I think Coke would be a VERY bad idea.

Ever have some smartass dump sugar in your gas tank?

Know how much sugar there is in Coke?

Maybe diet coke. . .

Or better still, a fluid specifically made for the task.
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DuckRyder
post Feb 25 2004, 07:17 PM
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Lubro Moly Ventil Sauber, GM Top engine clean, ATF all work.

As was stated, carefull how much or you can bend rods............
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