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Join Date: Jan 2004
Location: Milwaukee, WI
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SSI or Dansk

Guys,
Who makes the better heat exchanger? Is there any difference?
They would be for a'78 SC...
Thanks,
JCC

Old 02-02-2004, 02:48 PM
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Sports Purpose 911 Driver
 
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Location: Hermosa Beach, CA
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do a search, there is a TON on this topic.
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James Shira R Gruppe # 271
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Old 02-02-2004, 02:55 PM
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The Dansk doesn't even come NEAR the quality of an SSI

Danks > Mildsteel headers. One of the runners is actually made from seperate pieces
SSI > All stainless. Each runner is bend from one piece of pipe

Dansk > MIG welded
SSI > TIG welded and has more spotwelds on the shell of the HE

The fit of the SSI shells around the headers is much tighter compared to the Dansk - less escaping heat

SSI all the way...

cheers,

Jeroen
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Old 02-02-2004, 03:51 PM
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Quote:
Originally posted by Jeroen
The Dansk doesn't even come NEAR the quality of an SSI

Danks > Mildsteel headers. One of the runners is actually made from seperate pieces
SSI > All stainless. Each runner is bend from one piece of pipe
Not true. Dansk heat exchangers are 100% stainless steel.

Dansk > MIG welded
SSI > TIG welded and has more spotwelds on the shell of the HE
Once again, not true. Dansk uses only TIG welding on their heat exchangers.

The fit of the SSI shells around the headers is much tighter compared to the Dansk - less escaping heat

This is true. Dansk heat exchangers have a looser fit around the header tubes. This fit is exactly the same fit as the heat exchangers that Dansk supplies to Porsche.

Jeroen
Dansk continues to supply heat exchangers, mufflers, heater control valves, pipes, etc. to Porsche as Original Equipment service parts. The quality control for a parts manufacturer to supply a car manufacturer is very stringent. The engineers from Porsche are in the Dansk factory on a regular basis inspecting materials, toolings, and manufacturing processes. I have been there myself numerous times, and have found the quality control, and the quality of their products second to none. I have toured many different parts manufacturing facilities all over the USA and Europe, and the Dansk factory is on par with the best of any in the world.
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Old 02-02-2004, 04:58 PM
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I've never actually seen a Dansk heat exchanger, but I've just put SSI's on my 3.2 and they are a work of art!
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Old 02-02-2004, 05:16 PM
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Garage
How about pictures and what are the price differences?
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Old 02-02-2004, 05:43 PM
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I don't need or care to get in a p-ing contest over this, but the pics speak for them selves







cheers,

Jeroen
Old 02-02-2004, 06:19 PM
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Jeroen,

Thanks for your comments and posting the pics. I 100% agree with you - I do not want to get into a pi$$ing contest either. I just want to be sure the facts are presented correctly. I do not know where you got the info you posted, but it was wrong, so I posted to correct it. There are some false rumors that fly around these boards sometimes, and in this case I feel it's important to set the facts straight.

Regarding the pics, yes, SSI makes excellent products. There is no question about that. Cosmetically, they are prettier than the Dansk heat exchangers. When it comes to functionality, however, the Dansk products perform excellently, and without flaw. Well enough that Porsche continues to use their products (as does Volkswagen and even other exhaust manufacturers such as Walker and Bosal).

I guess in many products visual appearance has a certain value. You could produce a toothbrush with a titanium handle, and it would look gorgeous, feel good in your hand, and be expensive, but would it get your teeth cleaner?

Just a little background info... Dansk is a division of JP Group. JP Group is a manufacturer of many different products that involve precise metal bending, stamping, and machine work. They are producing goods for the train industry, precise toolings, and much more.

Dansk makes some real purdy parts too. Here's our Boxster sport muffler and headers on display in Frankfurt at the last Automechanika;


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'80 911SC Weissach Edition
'87 325is
'02 K1200RS
Old 02-03-2004, 08:58 AM
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