Molasses
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Lead Driver
Joined: Aug 2002
Posts: 6,682
Likes: 12
From: Saskatoon SK Canada
Molasses
I have a couple question regarding the use of molasses to derust parts. What is the proper mixture? and will this stuff freeze since it's only molasses and water?
P.S I got my drivers licence today.
P.S I got my drivers licence today.
Hotshot
Joined: Jan 2001
Posts: 16,873
Likes: 3,113
From: SE Wisc. (the Rust Belt)
Nathan,
The mixture is four parts water to one part molasses, and it will freeze just not quite as fast a pure water.
Check out the discussion that was on the Fordbarn forum, search for the subject. There are a couple of guys who have had good success with it. They also mentioned a product called Acid Magic that did a faster job but you would have to be more careful with it than the molasses mixture. The malasses mixture can be dumped on the grass and used as a fertilizer after you are done with it I don't know exactly the safe to dispose of the acid mixture.
Fordbarn
The mixture is four parts water to one part molasses, and it will freeze just not quite as fast a pure water.
Check out the discussion that was on the Fordbarn forum, search for the subject. There are a couple of guys who have had good success with it. They also mentioned a product called Acid Magic that did a faster job but you would have to be more careful with it than the molasses mixture. The malasses mixture can be dumped on the grass and used as a fertilizer after you are done with it I don't know exactly the safe to dispose of the acid mixture.
Fordbarn
Posting Guru
Joined: Mar 2002
Posts: 2,070
Likes: 2
From: Boise, Idaho
Three or four to one.
I found that mold was a problem. Next batch will haev a mold killer in the brew.
When I was done (when the mold ate the molasses) I diluted it and poured it on the grass. No problems.
I found that mold was a problem. Next batch will haev a mold killer in the brew.
When I was done (when the mold ate the molasses) I diluted it and poured it on the grass. No problems.
Posting Guru
Joined: Jul 2001
Posts: 2,119
Likes: 2
From: Southern New Hampshire
Just skim off the gunk every few days and dont worry about it.
If a tight cover is used the mold wont grow anyway; I havent heard of anyone blowing a cover off yet
.
No need to go to Fordbarn either, I did a full write up on FTE, just do a search.
If a tight cover is used the mold wont grow anyway; I havent heard of anyone blowing a cover off yet
.No need to go to Fordbarn either, I did a full write up on FTE, just do a search.
Posting Guru
Joined: Mar 2002
Posts: 2,070
Likes: 2
From: Boise, Idaho
Everything. Pulleys, intake manifolds, exhaust manifolds, heads, steel, iron. It works best on iron like intake manifolds and blocks.
I've got my 223 block stripped and ready to soak. The 312 will be next.
I've got my 223 block stripped and ready to soak. The 312 will be next.
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Lead Driver
Joined: Apr 2002
Posts: 8,813
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From: Littleton, New Hampshire
Nathan,
Have you thought about using electrolisis instead of molasses? All you need is a battery charger, some washing/baking soda, water, an electrode (piece of stainless steel works great, but you can use just about any metal), and a container (I use a plastic garbage can). I've been using this method to clean the rust off my parts and then paint them with POR-15. As far as I know there is nothing in the residue left that is hazardous. I dumped it on my grass and it didn't seem to affect it.
ps Congrats on the driver's license!
Have you thought about using electrolisis instead of molasses? All you need is a battery charger, some washing/baking soda, water, an electrode (piece of stainless steel works great, but you can use just about any metal), and a container (I use a plastic garbage can). I've been using this method to clean the rust off my parts and then paint them with POR-15. As far as I know there is nothing in the residue left that is hazardous. I dumped it on my grass and it didn't seem to affect it.
ps Congrats on the driver's license!
Posting Guru
Joined: Jul 2001
Posts: 2,119
Likes: 2
From: Southern New Hampshire
Electrolisis works fine and is good on parts that BOTH electrodes can see each other and with the work piece fully exposed to them.
It doesnt do a bit of good on hidden stuff such as water passages in blocks & heads.
I use electrolysis regularly when restoring old radio gear. Converted a fish tank that was at the curb for trash. Nothing like recycling the Yankee way
I actually use 4 rust remaval methods, sometimes several are working at the same time.
Molasses
Electrolysis
Sodium Hydroxide
Sandblasting.
It doesnt do a bit of good on hidden stuff such as water passages in blocks & heads.
I use electrolysis regularly when restoring old radio gear. Converted a fish tank that was at the curb for trash. Nothing like recycling the Yankee way
I actually use 4 rust remaval methods, sometimes several are working at the same time.
Molasses
Electrolysis
Sodium Hydroxide
Sandblasting.
Thread Starter
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Lead Driver
Joined: Aug 2002
Posts: 6,682
Likes: 12
From: Saskatoon SK Canada
I prefer not to mix water and electricity. I want to clean my block and heads. I wonder if you added antifreeze the molasses mixture wouldn't freeze. It would be nice to let it sit all winter but I don't want to crack my nice almost perfect flathead block with no cracks. Thanks Vern at least you noticed.
Lead Driver
Joined: Apr 2002
Posts: 8,813
Likes: 13
From: Littleton, New Hampshire
I actually use 4 rust remaval methods, sometimes several are working at the same time.
Molasses
Electrolysis
Sodium Hydroxide
Sandblasting. [/B][/QUOTE]
Carl,
Okay, you've piqued my interest. In 10 words or less, what's involved in the Sodium Hydroxide process and which process do you use for wheels? I'd like to take some wheels down to bare metal this winter, but I can't picture me out there in the snow with a sandblaster...
Molasses
Electrolysis
Sodium Hydroxide
Sandblasting. [/B][/QUOTE]
Carl,
Okay, you've piqued my interest. In 10 words or less, what's involved in the Sodium Hydroxide process and which process do you use for wheels? I'd like to take some wheels down to bare metal this winter, but I can't picture me out there in the snow with a sandblaster...