Re: Exhaust questions: paste, wrap, needles

["William Davies" <bill@rarebits4classics.co.uk>]

----- Original Message ----- 
From: Joe Curry <Spitlist@gte.net>
> 
> One large downside to exhaust wraps.  They retain heat and moisture in
> the header and lead to premature deterioration of the header metal.  I
> would never use them unless there was no alternative.

Joe's comments started me on something of a tangent to this thread. I was 
wondering what bearing  exhaust wraps and coatings might have on the cracking 
which is a perceived problem with stainless manifolds. Has anyone done any kind 
of study on this? 
    Cheers,
        Bill.

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