[T3] Mustache bar differences?

Jim Adney jadney at vwtype3.org
Fri Sep 17 07:40:54 PDT 2021

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 I KNOW that my price sense is outdated, but their prices seem 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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