[T3] Mustache bar differences?

Mike Fisher fisherfarms at gmail.com
Fri Sep 17 08:45:47 PDT 2021

I split a 36" piece of orange aircraftspruce duct & 18" fit fine on my

On Fri, Sep 17, 2021 at 7:41 AM Jim Adney <jadney at vwtype3.org> wrote:

> On 16 Sep 2021 at 19:51, jadney at vwtype3.org wrote:
> > IIRC, the early bar is the one with about a 1" diameter hole on the RHS
> to
> > give access for the M6 bolt that attaches the bar to the flap of tin that
> > hangs down.
> Looks like I really messed up my comments on this thread.
> Yes, there were 2 bars, but the ~1" hole on the right side of the early
> bar
> was to allow access to the head of the M6 bolt that attaches the tab from
> the
> HEAT EXCHANGER to the engine tin. At some point, VW changed things so
> that bolt came in from the other side, making the ~1" hole unnecessary. So
> early cars have the weld nut on the tin and late cars have it on the tab.
> And Max wrote CSP for the supplier of the air ducting but I thought ISP.
> Looking at the CSP site, it appears that they are selling the same stuff.
> They
> claim a 57 mm size, but don't specify ID vs OD. The aircraftspruce price
> for
> 2-1/4" ID is $7.80/ft vs CSPs price of 59 Euros for a stretched meter.
> Aircraftspruce doesn't specify stretched or relaxed, but their price is
> good
> either way. Aircraftspruce sells a lot of good stuff at very reasonable
> prices.
> The aircraftspruce ducting is sold in inch dimensions, but the 2-1/4" ID
> and
> 57 mm stuff are probably the exact same stuff.
> BTW, as I looked around ISPs web pages, I was struck by how expensive
> everything is. I KNOW that my price sense is outdated, but their prices
> seem
> really extreme. Is this just me? Anyone care to comment?
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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Eugene, Oregon

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