Tadek -
Having seen the work on your BN2, I would highly recommend going with the
Jet Hot coating from the US for your Exhaust Header. It will keep engine
temperature down substantially, and really make the car a nice one to drive
as far as you want in Europe without worrying about heat problems in the
engine bay. Again, a link to the header on my Atlantic, which still looks
exactly the same now as it did in the picture, even after a couple thousand
miles:
http://picasaweb.google.com/Healey.Nut/1952AustinA90AtlanticSportsSaloon#5186413418446009474
<http://picasaweb.google.com/Healey.Nut/1952AustinA90AtlanticSportsSaloon#5186413418446009474>It
makes a huge difference in the amount of heat under the bonnet. Very
effective:
http://www.jet-hot.com/
http://www.jet-hot.com/headercoatings.html
<http://www.jet-hot.com/>The Extreme Sterling is what you want, and it is
far more durable than old fashioned ceramic coatings. It's not too
expensive, the only thing is you have to remove all the studs and bolts from
your header before sending it.
Alan
On Fri, Aug 27, 2010 at 3:11 AM, Tadeusz Malkiewicz <
tadeusz.malkiewicz@plusnet.pl> wrote:
> Hello all,
>
> I have done some research on this and I found that the heat wrap has 2
> drawbacks:
> - if you isolate your manifold and the down pipe continuously you may end
> up with a burned pipe, as the heat that is traveling through the pipe has
> nowhere to escape, in result heating the exhaust system to a point where it
> may burn out. A solution is to wrap it intermittently, leaving gaps.
> - the heat wrap (although flame retardant) may start burning.
>
> Ceramic coating is better in both cases, although more expensive. Ceramic
> coating may though look more original on your car if you choose the right
> color..
>
> There was an article comparing the two - I have it and will post as soon as
> get back home.
>
> With the heads we have, where exhaust & inlet are on the same side of the
> engine I would not use heat wrap.
>
> Best, Tadek
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