Classic cars forum & vehicle restoration.

ukdave2002 · Joined: 23 Nov 2007 Posts: 4105 Location: South Cheshire

I think it has been mentioned on the forum before that a molasses concoction will produce a good rust converter, thought I would give it a try, here are the results;
I was a bit lazy in getting hold of some molasses, popped down to Sainsbury’s and bought a 454g tin of “Lyles black treacle” ! Should have gone to a farm shop where molasses is sold as animal feed additive for a fraction of the cost, that said the treacle was only a couple of quid.

I diluted the tin of treacle in a bowl of warm water 8 times the volume of the treacle, the warm water lets the treacle flow. The first candidates were 10 Morris 8 brake slave cylinders which I left in for about a week and was amazed at the results, unfortunately I didn’t take any pic’s.

2nd job was a Morris timing chain sprocket, which is NOS but been badly stored, and a old Morris master cylinder cap, the master cylinder on the Morris is mounted underneath the car so very exposed , here are the before pics;

And after about a week;

I don’t know what the best method is for speeding up the process, the rust seems to turn to a very flaky black substance, which I would brush off every couple of days and then put the things back in to the solution.

I’m pleased with the results, very cheap and environmentally friendly into the bargain Very Happy

Uncle Joe · Guest

UK, I am amazed! I had thought that this was just another old wives tale. How wrong I was!

I will admit though, when you live in a country that doesnt have treacle on sale, there are better uses for the odd can that one can get hold of! Very Happy

47p2 · Joined: 24 Nov 2007 Posts: 2009 Location: Glasgow

Amazing results. I am impressed.

Did you dip the items or coat them?
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Old-Nail · Joined: 23 Nov 2007 Posts: 853

Great experiment UK thanks for posting. How did you come up with the 8:1 ratio? I wonder if other ratios might be the key to faster results?
Whatever it's better than paying £6 a bottle for that Hammerite green gloop.
I should keep the garage doors closed in summer though! Laughing

ukdave2002 · Joined: 23 Nov 2007 Posts: 4105 Location: South Cheshire

I was sceptical about it working,!! did a bit of research and found it did have scientific backup, although I didn’t understand the chemistry Confused

it’s called a Chelating process well documented.

Greeney in France · Posted: Sat May 10, 2008 2:13 pm Post subject:

I understand heating the solution and simmering while object is immersed is the quicker method what would normally take 2/3day will take 2/3hours
Good test though
I think I have said before I have used cocacola many times and I know of a company that uses a sugar beet solution too Laughing

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Job-Rated · Joined: 23 Nov 2007 Posts: 1010 Location: Sugarbeet County

Sweet job, Dave! Laughing

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Rick · Site Admin Joined: 27 Apr 2005 Posts: 22449 Location: UK

very interesting, might have to give that one a whirl Smile

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buzzy bee · Joined: 23 Nov 2007 Posts: 3382 Location: South Cheshire

Hi

I did do this with some tools a while back, and it works, but I never took before pics, it does really show how much of a difference ther is!

I was telling UK this morning, I had probably 25 gallon of this molases, but couldn't find space to store it, was fed up of knocking buckets of the stuff over as it is sticky stuff, so poured it on the garden, now the soil is ultra fertile!

Cheers

Dave

Greeney in France · Posted: Sat May 10, 2008 6:18 pm Post subject:

I have a lidded dustbin in the corner of the barn with my solution in it, easy just to chuck in the odd item Rolling Eyes

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Old-Nail · Joined: 23 Nov 2007 Posts: 853

Greeney in France · Posted: Sat May 10, 2008 7:18 pm Post subject:

I completely freed up a seized door hinge with coca cola left it 3days
I hope it is quality cola? Laughing

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Old-Nail · Joined: 23 Nov 2007 Posts: 853

Now you didn't put stipulations on it Shocked

Tesco cola at 20p per two litre bottle, I think at that price it must only be fit for de-rusting! Laughing

Greeney in France · Posted: Sat May 10, 2008 7:47 pm Post subject:

Normally gut derusting Embarassed

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Old-Nail · Joined: 23 Nov 2007 Posts: 853

I have visions of the finished car being chased up the road by a swarm of wasps! Rolling Eyes