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Antique Gas Engine Discussion

Making new metal look old


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  #1  
Old 12-28-2006, 08:52 PM
Reed K Reed K is offline
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Default Making new metal look old

How would you make a new cast iron ignitor pitted (like 50 years of rust) so it would match the rest of the engine ?
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Old 12-28-2006, 09:01 PM
Eric M. Eric M. is offline
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Default Re: Making new metal look old

Just leave it outside in the weather for 50 years
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  #3  
Old 12-28-2006, 09:17 PM
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Tanner Remillard Tanner Remillard is offline
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Default Re: Making new metal look old

Is'nt there some kind of salt solution that you can mix up to rust metal in a hurry? Anyone know of that? I would like to learn how to do it myself.

Tanner
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Old 12-28-2006, 09:27 PM
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Thumbs up Re: Making new metal look old

i think there is a acid bath thing around that corodes cast iron??? I would stick with Eric M.'s idea by leaving it outside in the weather for 50 years
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Old 12-28-2006, 09:29 PM
John in Maryland John in Maryland is offline
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Default Re: Making new metal look old

I'm not sure if I would do this to an ignitor or not but one way to "age" metal is by electrolysis. Just reverse the polarity so the piece you want to age becomes the sacrifical anode. I've done this with a few things, mufflers and hopper lids but not an ignitor. If you try this I wouldn't leave it in for very long, maybe a half hour at a time to make sure it doesn't get pitted to badly. You should probably put something on the machined service that mates to the engine so it doesn't get affected and remove the spring since it's thinner material it may get eaten up.
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Old 12-28-2006, 11:04 PM
Bill Wehrman Bill Wehrman is online now
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Default Re: Making new metal look old

I dip in Muriatic acid and then get it wet and let it dry a few times to get stuff rusting right. It seems like the ignitor wouldn't really need to be pitted much, unless the rest of your engine laid on it's side
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Old 12-28-2006, 11:32 PM
Kris Eckhoff Kris Eckhoff is offline
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Default Re: Making new metal look old

I have found that a little 13/13/13 ferterlizer from Hell mart/ walmart works quite well just delute it with water and brush it on it takes a few days to work but you get a nice pitted and rusty piece of iron cant even tell it is new I had a set of iron wheels that had been sand blasted and I mixed up a batch in a five gallon bucket and submerged the the wheels for two days took them out and washed them off looked like perfact old rusty wheels
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Old 12-28-2006, 11:41 PM
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Default Re: Making new metal look old

waabout electrolisis...sisisis....
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  #9  
Old 12-29-2006, 01:04 AM
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Default Re: Making new metal look old

when my dad and i were working on some motors we had a battery blow up and one of our motors that got hit by the acid got the paint peeled and it looks really old like when we found it out side by a barn so you could try doing that. (just be careful we dont need you getting killed now do we?) Very dangerous!!
Chris
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Old 12-29-2006, 07:16 AM
Benny Mckheean Benny Mckheean is offline
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Default Re: Making new metal look old

Birchwood Casey makes a product called PLUM BROWN that you can get at your local sporting good store that works great and fast.It sells for 9.99 a bottle (I just bought two).It is designed for muzzleloader rifles to give them a old weatherd Patina.I will post some pictures of a old Yellow dog that I did when I can find the charger for my camera.
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Old 12-29-2006, 08:05 AM
Leonard Keifer Leonard Keifer is offline
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Default Re: Making new metal look old

I've heard a tale (don't know if it's true or not) that con artists have put new wooden furniture in a pile of chicken manure for a couple of weeks to create antique furniture. Might work with cast iron, although the fertilizer idea would be a whole lot less smelly.
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Old 12-29-2006, 08:16 AM
Benny Mckheean Benny Mckheean is offline
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Default Re: Making new metal look old

Here is a picture with two coats,this yellow dog was brand new.I use it all the time on springs or any other part on my engines that I want to match up,works great.
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  #13  
Old 12-29-2006, 09:28 AM
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Tim Claremont Tim Claremont is offline
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Default Re: Making new metal look old

It's kinda amusing that half the people on this board are attempting to make a restored engine look old, while the other half are trying to make a weather beaten engine look new!
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Old 12-29-2006, 09:37 AM
John in Maryland John in Maryland is offline
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Default Re: Making new metal look old

I like to leave them in their work clothes when possible, however my father bought a Fuller & Johnson that someone had painted pink....that had to change.
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Old 12-29-2006, 02:18 PM
Leonard Keifer Leonard Keifer is offline
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Default Re: Making new metal look old

Well, you have to admit a pink engine would stand out.

At an auciton a couple of eyars ago I saw an International LA or LB that someone had painted purple. Could see it all the way across the auction grounds!
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Old 12-29-2006, 03:42 PM
John in Maryland John in Maryland is offline
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Default Re: Making new metal look old

Well it stood out all right because the block was pink and the flywheels were red and green..it was downright ugly.
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Old 12-29-2006, 05:19 PM
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Default Re: Making new metal look old

Hi,
I just read a artical in a magazine that says, you can use paint remover to get the paint off and then you can use salt cause salt corrodes cast iron to help it look older and then if you clean the salt off and keep repeating this it starts to put holes in it and it really does llook like it is old. Hope this helps
chris
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Old 01-03-2007, 12:13 AM
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Default Re: Making new metal look old

did you figure out how to make it look old? I wish you luck and if you find a good way please tell me i am courious too. talk to you later
chris
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Old 01-03-2007, 07:20 AM
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Default Re: Making new metal look old

You could try this stuff. By accident I had a bottle of On and Off boat cleaner in my shop and a few drops dripped on a drill bit. It pitted it in less than a week. This stuff has some type of weak acid in it.
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Old 01-03-2007, 08:39 AM
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Default Re: Making new metal look old

I don't think the various recommended chemical treatments will give you the "pitted" look. Use a needle gun scaler or an air chisel with a pointed punch first. Start with low pressure & increase until the pits are the right depth. Then you could apply your other treatments.
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