Anybody interested in some serious insulation, let me
know. Aircraft usage stuff, get a 300 degree temp
difference in 3/8 inch thickness. it ain't cheap.
--- Charles Christ <cfchrist@earthlink.net> wrote:
> yo-yo-yo what up in da hood? i be do'in da exhaust
> wrap!
>
> i just could not hold myself back on that one!!
> lol! but seriously we have
> used the insulating wrap on sections of header tube
> that were very close to
> components that were what we considered to be heat
> sensitive and in a
> position that was not open to discusion about where
> they could be relocated
> to. as far as that aplication goes the wrap is
> very sucessfull in gaining
> the needed protection for adjacent components to
> exhaust tubing. now
> completly wraping an entire header is not out of the
> question but a rather
> expensive / time consuming job that personaly i
> would not recomend unless it
> was a real "last resort" effort to reduce under hood
> temperatures for a
> specific reason. in my 2 stroke race car it would
> be a mistake to "insulate
> the exhaust as the bigdeal with 2 stroke systems is
> to disipate heatbefore
> exhaust exits the system to keep from experiencing
> reversion (the tendency
> of exhaust gasses to be shocked by exiting into
> outside temperatures and
> literally sending a shock back up the exhaust system
> against theflow of
> gasses trying to exit). a 4 stroke systen has the
> same problem but not as
> critical as in 2 strokes. this is some of what a
> tuned exhaust system is
> about in theory, exiting temperatures of gasses.
> the other neat thing when
> installing the wrap is do not use anything but
> stainless wire to attach it!
> regular wire will rust right off in no time and the
> wrap will just unravel
> and disappear off the car. use stainless steel wire
> used for safety wiring
> hardware on aircraft or race cars it stays in place
> and will not
> deteriorate. for those that are inclined to
> experiment, go for it!
>
> chuck.
> back to work, on the abarth! getting well versed at
> italian expletives!!!
> lol!
> ----- Original Message -----
> From: David Brackman <begowest@telus.net>
> To: <spridgets@autox.team.net>
> Sent: Tuesday, June 27, 2000 2:57 PM
> Subject: Exhaust Wrap
>
>
> > All this talk about fans and Heat has made me
> wonder if anyone
> > (especially the racers) has tried any of the
> various types of exhaust
> > insulating materials that are availabe on the
> market? I have seen this
> > type of material on lots of vintage race cars, and
> I beleive is period
> > correct for Brooklands era cars. I have a
> catalogue from Autostorica in
> > England that claims 70% reduction in under bonnet
> temperatures, and
> > increased HP ! Its not cheap but I wonder if it
> does the job? Anyone
> > know?
> >
> > Cheers!
> >
> > David
> >
> >
>
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