[Tigers] "Carbonized" Bolt Head?

[Jim Buster]

Put them in your BBQ with the briquettes.

> On Sep 2, 2018, at 7:07 PM, michael king via Tigers <tigers at autox.team.net> wrote:
> 
> i thought you basically got the dirtiest oil you can find, heat it up and then put the parts in it and leave for a while, then let it cool then remove.
> 
> This is how you do the tools for the tool kit.. IIRC the dirtier the oil the better, so find a friend who doesnt service their car often! :P 
> 
> On 3 September 2018 at 04:25, Ron Fraser via Tigers <tigers at autox.team.net <mailto:tigers at autox.team.net>> wrote:
> Randall
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> Carbonize is a surface process, if you paint the bolts the paint will chip when installing the bolts.
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> You might want to check in a Machinists handbook about the carbonizing process.   I think it can be duplicated DIY style.
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> Seems to me I once read you heat the bolts in charcoal then put them in oil to cool.   I’m not sure about that being the correct process and I don’t remember all the detail if it is the correct process.  Do some research on the process.
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> You might want to look at Gun Blue or Eastwood’s Black Oxide process that etches the metal surface a little and leave color.
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> If you leave the bolts in Evapo-Rust long enough the bolts will get a darkened surface, some of it may wipe off but let it dry and see if it meets your expectations.
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> Good luck
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> Ron Fraser
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> From: Tigers <tigers-bounces at autox.team.net <mailto:tigers-bounces at autox.team.net>> On Behalf Of Randall Antosiak via Tigers
> Sent: Sunday, September 02, 2018 1:39 PM
> To: Tiger List <tigers at autox.team.net <mailto:tigers at autox.team.net>>
> Subject: [Tigers] "Carbonized" Bolt Head?
> 
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> 
> According to the BON, some of the bolt heads in the engine compartment are "carbonized".  Anyone have an idea of which paint color can create the carbonized look?
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> Thanks in advance.
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> 
> -- 
> Regards
> 
> Michael King
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