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IndiRon

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Rebuilding an M that set for years with gas that turned to "shellac" in the carburator, What"s the best product to use to dissolve or get the stuff out?
 
There are several good brands available. I have used Gunk brand and NAPA brand. Heck of it is, for a carb that size you gonna need about a gallon to soak it in, and that stuff is expensive.
For what it's worth, I heard a new one the other day. This man ran a small engine shop and he said he used a 50/50 mix of lemon juice and water and boil the parts in it for 20 to 30 minutes, then rinse well and blow dry. I haven't tried it yet, but I intend to. At least it would be "environmentally friendly".
 
Get a glass bead blaster and pressurized cans of brake cleaner. Carb cleaner leaves a residue behind so I prefer brake cleaner as the rinsing solvent. Lots of ventilation is advised and use compressed air to finish the job.
There are several small passages so inspect carefully. I use a single strand of out of the multiple strands from a short piece of 14 gauge copper taillight wire; it will conform to bends in a passage and will not damage a brass jet internal opening. Other wire sizes may be needed.
Study the carb and attempt to run wire through all openings; with a varnished carb it may be necessary to use a twist drill bit (hand operated) to open up the passage.
 
Last time I was in the Advance store, I was looking at all the cleaners and degreasers, and on the bottom shelf they sell buckets of "carburetor dip." I don't think you eat it with potato chips. I think what you do is dip the entire carburetor in the bucket and let it soak.
 
(quoted from post at 13:11:49 06/12/12) Last time I was in the Advance store, I was looking at all the cleaners and degreasers, and on the bottom shelf they sell buckets of "carburetor dip." I don't think you eat it with potato chips. I think what you do is dip the entire carburetor in the bucket and let it soak.
Click to expand...
That's good stuff.
 
Might want to ask around to see if anyone has a parts cleaner that moves the parts/fluid in the process.

Below is a picture of a carb off my Studebaker that I took to a guy who has a pneumatic parts cleaner. Big porous tray fits into a 15 gallon drum (or so) and then when the air is hooked up you turn the timer and is shifts the tray back and forth like a washing machine. Did a great job.

DSC03819.jpg


DSC03820.jpg


I tried to clean the carb off my SC with the regular gallon can and could not get everything thing out after three times. Three hours in the above apparatus and it ran like a top. Good luck!
 
(quoted from post at 20:02:44 06/12/12) Might want to ask around to see if anyone has a parts cleaner that moves the parts/fluid in the process.

Below is a picture of a carb off my Studebaker that I took to a guy who has a pneumatic parts cleaner. Big porous tray fits into a 15 gallon drum (or so) and then when the air is hooked up you turn the timer and is shifts the tray back and forth like a washing machine. Did a great job.


I tried to clean the carb off my SC with the regular gallon can and could not get everything thing out after three times. Three hours in the above apparatus and it ran like a top. Good luck!
Click to expand...

I have also heard great things about using an ultrasonic machine with carb cleaner. HF sells a very reasonable machine that would fit a Farmall carb very well.

My dads work used a large steel tub with an ultrasonic machine hooked up to it. They used it to clean rubber molds. They threw it away becauses they got a better machine and it is now at my house. :lol: I haven't filled it up and used it yet because it will take A LOT of solution (and I don't have a good shop to put it in)
 
I find it is best to use what is designed for the job. Aside from the ultrasound, the cans that you dip the carb in work great. just set the carb parts in it for 24 hours and it is clean.

Wipe the stuff off your hands and skin!
 
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