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Carb soak

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bottomd

11-04-2000 05:22:17




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My A has set for 14 years. I have completly dismantled the carb. What is the best carb soak to put it in.THANKS




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Chemist

11-07-2000 16:17:10




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
Acetone works good, although MEK seems to work better. Most carburator cleaners contain some MEK. They are closely related compounds (acetone = dimethylketone =CH3C(O)CH3 vs methylethylketone = MEK = CH3CH2C(O)CH3) to the chemist). Acetone can be smelled on the breath of some diabetics so it won't kill you (the associated heart problems are more likely to do so) but use it under ventilated conditions. It is true that neither will disolve rust, but twist drills and sandblasting will not remove varnish from cavities either. I am pretty well convinced that once varnish forms it acts as a catalyst (promotor) for the further formation of varnish.

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G Taylor missed mentioning a step

11-07-2000 17:34:14




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 Re: Re: Carb soak in reply to Chemist, 11-07-2000 16:17:10  
Before using the wee drill bits etc we remove all the brass components and toss all the cast items in the local machine shop's acid tank. Loosens the rust and organic compounds are softened or gone. MEK would be ok as long as the user respected it's hazards.



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tl

11-07-2000 11:12:36




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
Forget the solvents! They are messy and dangerous. Anyone who rebuilds carbs professionally these days don't use them, so why waste the time and money? You could soak your carb for 1000 years and it still wouldn't get out the rust. Sandblasting, and the correct drill bits will clean your carb. You'll end up doing it anyway and your skin won't be dissolved by harmfull cleaners. Good Luck!



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Craig

11-05-2000 20:22:49




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
You can get a commercial cold parts cleaner at your local NAPA or other parts store. Most often it is labled "carburetor cleaner". Comes in a 5 gallon bucket. I think you can get a smaller bucket too. You put your parts in a basket and soak them right in the bucket of cleaner, then wash the with hot water. It's expensive stuff. I found a local auto repair garage that has the stuff so I just take all my carb parts to them and they soak them for $5. ALSO take out all those threaded plugs on those JD carbs so the cleaner can get in there easier and also rod them out with the proper size drills recommended by Robers Carb Repair. Often there is rust growing in those cast iron holes and no cleaner will clean out the rust.

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Kris

11-05-2000 09:10:05




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
I agree with Bill. I just got done soaking mine in MEK. It did wonders for my carb. None of the dirt or grim was left after a 20 min. soak. Could read all engraving and casting numbers on it. Great stuff



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JLDcpa

11-06-2000 15:24:53




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 Re: Re: Carb soak in reply to Kris, 11-05-2000 09:10:05  
MEK works great. Stands for Methyl Ethyl Ketone. It will eat the fingerprints off your hands so be careful. We use in aircraft stripping ops and it is better than anything else we've used.



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Bruce

11-04-2000 18:40:09




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
Acetone,about$2.00 @ wal-mart.



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Bill

11-05-2000 16:03:20




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 Re: Re: Carb soak in reply to Bruce, 11-04-2000 18:40:09  
Acetone will not work like MEK. I tried to save a little money and use acetone. It did not work. It's MEK or nothing.



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Bill

11-04-2000 16:35:55




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 Re: Carb soak in reply to bottomd, 11-04-2000 05:22:17  
Go to a good hardware store and buy a gallon of MEK (about $10). This is some strong stuff, so be carefull. Nothing will work better.

Bill



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G Taylor

11-05-2000 19:54:48




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 Re: Re: Carb soak in reply to Bill, 11-04-2000 16:35:55  
Safety 1st. All those products are highly flamable. The vapours readily exchange into your bloodstream through the lungs.It will absorb through your skin as well. You see what it does to dirt, imagine what those organic chemicals are doing to your insides in the short and long term. We prefer to take the brass parts out, dip in the acid tank and rod out all passages to verify flow.



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JLDcpa

11-06-2000 15:27:24




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 Re: Re: Re: Carb soak in reply to G Taylor, 11-05-2000 19:54:48  
What do you use to rod out all your small carb passages?



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G Taylor

11-06-2000 21:57:11




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 Re: Re: Re: Re: Carb soak in reply to JLDcpa, 11-06-2000 15:27:24  
An assortment of wee drill bits, cutting torch tip cleaners & rifle cleaning brushes.



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