TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

First run with the new Greddy diaphragm................

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Old Jun 9, 2007 | 10:31 AM
  #1  
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Default First run with the new Greddy diaphragm................

<center><img src="http://images116.fotki.com/v700/photos/6/645139/2927227/relostep3008-vi.jpg"></center><p>Both springs in, full soft position. Short 4 mile run, still flutters slightly at low boost levels, not on hard boost. No more honking, yet, need more drivin time with it. Still love the way it seems to hold boost, just a fraction longer. Wanted to try the reverse orientation, just doesn't fit right for my setup, may try it later.
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Old Jun 9, 2007 | 11:50 AM
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Default that's good news!..

yours is identical to my set up now. I get the light flutter intermittently too. It seems harmless, and on the upside, the insta-torque after gearchanges is outstanding. I was amazed when I checked my mod log the other day... it's been on the car for 40,000+ miles, and still flawless...
I can't explain it, many have been less than thrilled with this valve... when you have a good one and set it up right, it's awesome!
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Old Jun 9, 2007 | 12:12 PM
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Yea, the slight flutter really doesn't bother me, I'm just glad, for now, the honking is gone.
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Old Jun 9, 2007 | 08:37 PM
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Default I guess I'll have to try changing out the diaphragm on mine...

Where'd you buy it?
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Old Jun 10, 2007 | 06:18 AM
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Default Here......but I've just had it out about 5 miles so far, so no definate conclusions yet......

Look like it's special order now, no shipping. Search that part number, it is correct 99900036<ul><li><a href="http://www.cardomain.com/item/GRE99900036">http://www.cardomain.com/item/GRE99900036</a</li></ul>
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Old Jun 10, 2007 | 07:13 PM
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Default how much flutter? think that would still bother me...

but it sounds like that solved your honking. i suppose even with no tears on the old one, the slight rubber dust showed some sign of wear. maybe i should replace mine and see if that helps my Greddy.
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