[T3] Heat exchanger advice

[Mike Fisher]

I would leave off the insulation & the metal guards.  They just trap
moisture & dirt.

On Fri, Nov 28, 2014 at 3:50 PM, Dave Hall <dave at hallvw.clara.co.uk> wrote:

> I think the metal parts were mainly to prevent the ehat insulation getting
> damaged by gravel and rocks thrown up by the wheels.  Leaving off
> insulation
> in Northern California probably won't have any adverse effect.  In a damper
> part of the world the heat exchangers don't generally rust through under
> the
> insulation, so some benefit is gained by keeping them on if your weather
> tends to have wet days, and particularly in salty areas - coastal maybe, or
> snow treated with salt.
>
> Because we have now got trouble after around 40 years, we tend to think
> about preventing it from returning in that time... OK for the youngsters
> maybe, but academic for many more senior enthusiasts!
>
> Otherwise, it's personal preference - some like to keep it looking
> original,
> but not too many folk look under there anyway, and even fewer would know
> what they would expect to see.
>
> Dave
> UK VW Type 3&4 Club
> ===================
>
> -----Original Message-----
> From: type3-vwtype3.org [mailto:
> type3-vwtype3.org-bounces at lists.vwtype3.org]
> On Behalf Of Jacob Adam Schroeder
> Sent: 28 November 2014 15:44
> To: type3 at vwtype3.org
> Subject: [T3] Heat exchanger advice
>
> I am in the process of rebuilding the engine in my 1972 Square.  I located
> a
> nice pair of heat exchangers from a local scrap yard, and had them blasted
> and ceramic coated--they look beautiful.
>
> My old heat exchangers had the insulation on them, with two metal tins (one
> along the bottom, and one along the curved part) over the outside of the
> insulation, with everything held on by a series of metal straps.
>
> I'm leaning towards not putting the insulation back on.  I understand that
> after 1973, VW quit putting insulation on these anyway.  My insulation is
> pretty nasty (oil soaked, torn, etc) and if I can get by without it, I
> think
> I would like to.  What is the collective wisdom on foregoing the
> insulation?
> If climate makes a difference, I live in Northern California.
> Is there any modern replacement?
>
> Next, assuming I forgo the insulation, should I still put on the two metal
> tin pieces on each side?  Are there any vendors that still sell the
> original
> (or similar) clamps?  I'd rather not use  generic spiral-tooth hose clamps
> if I can find something similar to the original look.
>
> Once I get some time, hopefully this weekend, I'll post pictures of my
> progress to-date and send a link to the gallery.
>
> Thanks in advance,
>
> Jacob
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-- 
Eugene, Oregon

http://s169.photobucket.com/albums/u236/mr_bojangles500/
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