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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 18, 2018 7:55 am 
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Joined: Wed Sep 30, 2015 9:38 am
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Location: Brandy Hill, NSW
Just wondering where to buy large quantity of molasses!


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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 18, 2018 7:57 am 
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Joined: Mon Nov 06, 2006 8:54 pm
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Location: Hunter NSW
Animal produce place


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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 18, 2018 10:34 am 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Horsey shop.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Vinegar Bath
PostPosted: Fri Jan 19, 2018 6:24 am 
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Location: Brandy Hill, NSW
Is the molasses in liquid form?


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 Post subject: Re: Vinegar Bath
PostPosted: Fri Jan 19, 2018 7:52 am 
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Location: Hunter NSW
Yes some may want you to take your own drum


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 Post subject: Re: Vinegar Bath
PostPosted: Sat Jan 20, 2018 6:55 am 
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Joined: Thu Aug 31, 2006 7:56 pm
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Location: Muswellbrook -- NSW
cooperess wrote:
Is the molasses in liquid form?


Yes , i've brought mine from our local produce store , comes in a 14 lit bucket , i think it was about $30.


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 Post subject: Re: Vinegar Bath
PostPosted: Sat Jan 20, 2018 7:19 am 
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Location: Brandy Hill, NSW
So as I understand it the recipe for rust removal on metal surfaces is

1 part molasses
1 part water
soak rusty part for good while
then wash off in clean water


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 Post subject: Re: Vinegar Bath
PostPosted: Sat Jan 20, 2018 8:08 am 
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Location: Muswellbrook -- NSW
Just make sure that there is no oil or grease on the parts as the mollasses won't get rid of it .

I just do a 50/50 mix ,(it doesn't have to an be exact measurement) in a kids wheelie bin , i pour a couple of buckets of hot water in the bin first , then 1/2 the bucket of mallasses and give it a stir , then some more hot water and the rest of the mollasses and rinse the bucket out with hot water .

The bath will evaporate as well over time so you might have to top it up with tap water now and again.


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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 25, 2018 9:44 am 
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Location: Branxton, NSW
I bough 2Lt from Kirkwoods for $4.50, mixed it up about 4:1 and put it in the engine water jackets with the water pump on, will have a look after 6 days and see what it's done.

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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 25, 2018 2:51 pm 
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Cool, post up some before and after pics as an update to yours too if you can :)

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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 25, 2018 3:46 pm 
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Location: near Baulkham Hills, NSW
Won't do much in 6 days. I would leave it in for 2 weeks, drain, flush, fill again. Look in another 2 weeks.
As for the mix, 1:2 or 1:3 molasses: water works best.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject: Re: Vinegar Bath
PostPosted: Thu Jan 25, 2018 5:09 pm 
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Location: Branxton, NSW
Some before pics


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https://www.ausmini.com/forums/viewtopic.php?f=3&t=95872


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 Post subject: Re: Vinegar Bath
PostPosted: Sat Jan 27, 2018 6:23 pm 
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Joined: Wed Jul 08, 2015 3:29 pm
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Location: Brisbane QLD
Another option is caustic soda to get rid of grease and the phosphoric acid dip to clean and etch for painting . Very fast turn around. Here are some arms ive done
After caustic bath:

Image
After phosphoric dip:

Image




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 Post subject: Re: Vinegar Bath
PostPosted: Sun Jan 28, 2018 5:56 am 
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Location: Sthrn HiLoLands, NSW, Australia
Hmmmm...caustic does a good job.

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 Post subject: Re: Vinegar Bath
PostPosted: Sun Jan 28, 2018 6:25 am 
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Joined: Wed Sep 30, 2015 9:38 am
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Location: Brandy Hill, NSW
Caustic - what affect on the bearings.


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