[Supras] Exhaust wrap and SS pipes...

[Brian Walker]

I want to say it was 304, I'm guessing 321 is the preferred SS grade for
exhaust use since I recall some of the nicer headers being made with
this.

-----Original Message-----
From: Jim Jobe [mailto:jjobe2 at supratech.org] 
Sent: Monday, December 11, 2006 12:40 PM
To: Jeff Mohler
Cc: Brian Walker; supras list
Subject: Re: [Supras] Exhaust wrap and SS pipes...


which is why the flex section was most likely not SS.

On Mon, Dec 11, 2006 at 09:31:15AM -0800, Jeff Mohler wrote:
> What SS is it?  For high heat use, you have to use the right stuff, SS
> can get brittle under high heat.
> 
> On 12/11/06, Brian Walker <Brian.Walker at timmons.com> wrote:
> > Just a note for others, I was hunting down a slight, audible exhaust
> > leak a couple of weeks ago. Sounded to be coming from header/turbo
area.
> > Was thinking it was likely a gasket due to the minor sound of the
leak.
> > I ran one event and it was noticeably louder throughout the event.
One
> > the trip home, the sound grew to that of a turbo diesel. I got home
and
> > started looking for a leak. I looked at the exhaust wrap I've had on
my
> > SS RT downpipe for ~4 years and noticed some of it had come apart. I
> > pulled it loose and found that 2 bands of the flex section had
broken
> > apart around half the circumference of the pipe. After removing the
rest
> > of the wrap, the pipe looked fairly rusted. This was supposed to be
a SS
> > pipe but I'm thinking the wrap was holding enough moisture to
corrode
> > the flex section (it's possible the flex wasn't SS)
> >
> >
> >
> > I had figured using wrap on a SS pipe would be fine as far as
corrosion
> > but it looks like I was wrong. I'll get the next one ceramic coated
> > since that's held up well for me in the past.
> >
> > Brian W-88T
> >
> >
> >
> >
> >
> >
> >
> >
> >
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> >
> 
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