Did anybody ever thought about brass coated nuts? I never used them but
maybe some others did. What's your experiance?

Hartmut

----- Original Message -----
From: "John Rodgers" <inua@CHARTER.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, February 14, 2005 :06:32 AM
Subject: Re: Stainless Steel Exhaust Fasteners

> The aviation industry has long used brass exhaust nuts because the have
> more strength than copper, do not seize, and can stand the hight heat
> associatied with the exhaust. ports. They are "one time use only" nuts
> however.
>
> The industry also has available special heat treated nuts for exhaust
> applications but they are not nearly as successful as brass nuts for
> ease of removal, and in spite of the fact they were designed as exhaust
> nuts they still seize on the exhaust studs and cause all kinds of grief.
>
> Trying to remove a seized nut often results in the stud being broken off .
>
> Have you ever tried drilling  a broken exhaust stud out of an aircraft
> cylinder head and installing a new one, with  the engine still in the
> airplane???    It's a bitch! Big time PITA!!
>
> Regards,
>
> John Rodgers
> 88 GL Driver
>
> Dennis Haynes wrote:
>
>>Of all the things to protect hardware in a hot corrosive environment,
>>copper! Think about it.
>>
>>Dennis
>>
>>-----Original Message-----
>>From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>>Of Ken Lewis
>>Sent: Sunday, February 13, 2005 12:36 PM
>>To: vanagon@GERRY.VANAGON.COM
>>Subject: Re: Stainless Steel Exhaust Fasteners
>>
>>Jere and Chris,
>>
>>Try these:  http://tinyurl.com/5nzo7
>>or Google "copper exhaust nuts VW". Aircooled VW and Porsche folks swear
>>by
>>them (not at them).
>>
>>Ken Lewis
>>http://neksiwel.20m.com/
>>
>>
>>
>>
>