Dave,

   IIRC, the temperature necessary to turn metal blue is about 600
degrees.  I'd be surprised if the housing was still flat after that.

Dale R.

David Leonard wrote:

Here is a picture of the end housing that got overheated.  Does anyone know if they are useable?

--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://members.aol.com/_ht_a/rotaryroster/index.html
http://members.aol.com/_ht_a/vp4skydoc/index.html