997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Do headers raise intake temp or lower it?

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Old Aug 26, 2009 | 02:53 PM
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Originally Posted by Rhonda@FVD
Thanks for the kind words KA 997TT, our diagnostic tool is durametric. We also use a durametric cable for our flashload software. In fact we are beta testing the 997TT software flash application right now. We will not release it however until it is 100% bulletproof for the end user.
Thanks for the info, can you PM me what you would sell the cable for alone?
 
Old Aug 26, 2009 | 03:17 PM
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Originally Posted by Rhonda@FVD
<LINK href="file:///C:/DOCUME%7E1/sales4/LOCALS%7E1/Temp/msoclip1/01/clip_filelist.xml" rel=File-List><STYLE> <!-- /* Font Definitions */ @font-face {font-family:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:1627421319 -2147483648 8 0 66047 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} p.MsoBodyText, li.MsoBodyText, div.MsoBodyText {margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:Arial; mso-fareast-font-family:"Times New Roman";} a:link, span.MsoHyperlink {color:blue; text-decoration:underline; text-underline:single;} a:visited, span.MsoHyperlinkFollowed {colorurple; text-decoration:underline; text-underline:single;} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} /* List Definitions */ @list l0 {mso-list-id:394355404; mso-list-type:hybrid; mso-list-template-ids:-1764352436 67698703 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;} @list l0:level1 {mso-level-tab-stop:.5in; mso-level-number-position:left; text-indent:-.25in;} ol {margin-bottom:0in;} ul {margin-bottom:0in;} --> </STYLE> Cannaga,

In reference to our header's, the turbo header's exhaust flow has such a short length of travel that we choose a mandrel bend set up so that the flow travel's as smoothly as possible. Another reason is that we must pass TÜV approval in Germany. The TÜVperforms an extreme exhaust temperature test, in order to assure the consumer that the parts will withstand cracking and splitting. Turbo exhaust components are subjected to test temperatures in excess of 1,400 degree’s Celsius for extended periods. We have found that a segmented header design will not stand up to this test as well as the mandrel bent design.

American / German aftermarket manufacturing is very, very similar and their are excellent product's made by both countries. To me the only difference is that German tuner's must undergo serious scrutiny to have their product's approved to be sold in Germany. And in my opinion, the benefactor is the consumer....

If you would like to know more about the TÜV and what we must do in order to sell our products here is a little more info...

http://en.wikipedia.org/wiki/T%C3%9CV

I think this statement from Wikipedia says it all "Most vehicle modifications also need to be approved, from installing tires of a different size to materials used in nuts and bolts. The German safety guidelines are among the strictest in the world, and getting a road permit for custom-built vehicles is said to border on the impossible." Wikipedia..

FVD-Brombacher parts passed these criteria in order to obtain the TÜV stamp of approval:

Corrosion Test - Exterior metal parts (ie exhaust, brakes, rims, etc.) must undergo a HCL (Hydrocloric Acid) bath, which speeds up the corrosion process. This ensures long lasting, highly durable parts which benefit the end consumer.<O></O><O></O>
<!--[if !supportEmptyParas]--><O></O>
Extreme Temperature Test - Items are put through -40 degree’s Celsius to + 85 degree’s Celsius sudden temperature change. This test ensures that rapid material expansion and contraction does not cause cracking or material inconsistency.<O></O>

<O></O>Material Analysis - Chemical makeup and microscopic material analysis is done to determine the correct percentages of iron, zinc as well as other elements. This helps to ensure material consistency and longevity.<O></O>

<O></O>Exhaust Temperature Test - Exhaust items are also put through a series of extremely high temperature tests in order to assure the consumer that the parts will withstand cracking and splitting. Exhaust components are subjected to test temperatures in excess of 1,400 degree’s Celsius! In perspective, normal exhaust gas temperatures usually only reach around 800 degree’s Celsius.

Thanks,
Rhonda
Good points Rhonda. Mandrel bent tubing will ensure proper diameter is maintained at bend point. The single intact pipe design and passing TÜV requirements gives one piece of mind from cracking. If your headers are anything like your exhaust, then they must be totally awesome.
 
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