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Old 08-01-2005, 11:17 PM
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Drip water into carb (sure it's been asked before)

Hello all,

I am sure this has been asked before, but I tried every search combination I could think of about it, and could not find a thread directly relating to it.

I read/hear/see alot of people talking about using Seafoam and products like that to get rid of some trash in the motor, but I also see guys talk about how sprinkling VERY small amounts of water in the motor through the carb can be just as effective.

What exactly does this do and what is the process for it?

The reason I am asking is I have a carburated 88 Toyota 4x4 that sounds like its running on its last leg. It has a 22R motor in it, and the odometer STOPPED WORKING at 212k miles. I am sure the truck is pushing 300k, and it is just a mud truck/play toy, so it is driven pretty hard. I have a near freshly rebuilt 22R I am finishing up within the month to stick in, but for now the motor currently in it will have to do.

I want to try the process out (dripping water into the carb) on the motor just to see what happens, and if something goes wrong I won't really be upset over it.

Couple pictures of the truck after getting back from the trails:





Thanks in advance for any knowledge you guys can share.

Rob

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Old 08-01-2005, 11:34 PM
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I have used water as a carb cleaner. It works. You just have to give it some throttle so the engine doesn't die.
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Old 08-01-2005, 11:47 PM
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What does water suppose to do? Clean the carbon from the pistons?
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Old 08-02-2005, 12:15 AM
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It steam cleans the carbon off the pistons, heads & valves. To much and you'll crack the porcelin off the plugs. Use a spray bottle with a heavy mist.
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Old 08-02-2005, 05:31 AM
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water

Back in 1978 when i worked at the used car lot we did the water in the carb trick to many cars....... It helped maybe 1 out of 20.... So yes you can do it, but it sure isn't going to do magic on a 300,000 mile truck... Let us know how it works out for you..

Keith
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Old 08-02-2005, 06:17 AM
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I tried that with my Suburban through the throttle body. I drilled an 1/8" hole in the top of a 20 oz. soda bottle top. The hole is small enough that it will not just pour out, but you can intermittently squeeze the bottle while you are revving the engine. I don't know if it worked or not, had about 200k at the time. Ed
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Old 08-02-2005, 07:56 AM
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You need to smooth your mud out a bit, then sand with 400......oh wait, this isn't the body forum!!
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Old 08-02-2005, 08:25 AM
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What are you trying to gain from this? A beat tired engine is a beat tired engine. But if you must, I would suggest trying some trans fluid down the carb first, (added bonus) you get the smoke screen from the tail pipe. so don't do it in the driveway of a subdivision.
Keep in mind the term HYDROLOCk, go slow and keep the rpm's up you will get a feel for it as you pour it in. Use the whole quart of trans fluid.

Nice truck I was a 4x4er at one time, I ran a Jeep CJ7 with 40's under it. I know 2 brothers that have Toyota's one is running a SBC 400 with 44's and the other is running the (not stock) 22R 4 cylinder engine with 42's under it. The 4 cylinder will walk all over the SBC truck in the mud.

Steve
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Old 08-02-2005, 09:13 AM
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When I was a kid and worked at a service station ( yes a real service station where you could get everything from an oil change to a engine rebuild ) we did a lot of tuneups. If an old lady came in for a tuneup, the first thing the boss would do is rev it up and take a coke bottle of water and slowly pour it down the carburetor. They would cough and chug, and blow black crap out the exhaust. He said it really only helped on cars that never saw any rpm's. The old ladies would lug around town in high gear and build up a lot of carbon. And yes on some of them you could see an immediate improvement.
Will it help you? I doubt it, but as long as you do it slowly it shouldn't hurt.
Dave
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Old 08-02-2005, 09:29 AM
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This is how you can get it done I flooded the engine....
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Old 08-02-2005, 10:39 AM
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One trick thats similar that my dad taught me on how to clean the carbon out was to drive it like a bat out of hell. What I do is just go on like a 10 trip down the interstate and keep the rpms high and constant. I dont mean like try and keep it at 6000, but Ive always kept it around 4k rpm. It may just be in my head but I really can feel a difference afterwards.


Brad
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Old 08-02-2005, 12:58 PM
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Way back in history, at filling stations in the UK you could order "shots" of a stuff called Redex in the gas. This would be an upper cylinder cleaner, or shot in the carb a carb and intake valve cleaner.
No clue as to what it was only it was red.
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Old 08-02-2005, 02:07 PM
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Sounds like Marvelous Mystery Oil to me.

Dave
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Old 08-02-2005, 04:22 PM
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water in carb

back in the 60's , had a uncle take his 66 cat to capita cat in Atlanta because it ran on after the ing. was turned off. They did the water from a 6 0z. coke bottle down the carb. at high rpm's (2500 to 3000) and it quit. the mech. said it clean out the carbon that was causing pure ing. but that back when we had real gas.l
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Old 08-02-2005, 05:21 PM
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In my day it used to be said that a tune-up was not complete untill you poured a coke bottle of water down the carb. We never did this when the engine was hot, we held the carb open at half throttle and slowly poured the water down it. This will remove carbon deposits and build up from the piston tops and the combustion chamber. There have been a lot of cars diagnosed with burn't valves that have been cured by doing this. Carbon can get under a valve and keep it from sealing off giving the same type symptom as a burn't valve. The water treatment will remove it and let the engine run normal.
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