996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Are Diverter valves needed for an ECU tune?

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Old 06-22-2008 | 04:54 PM
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Are Diverter valves needed for an ECU tune?

looking into the softronic software, but will i NEED to purchase new diverter valve? Or will the stock be fine at this stage, I want to keep it as stock as possible due to my warranty.

Thanks
 
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Old 06-22-2008 | 04:56 PM
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most guys upgrade at the time of the reflash.. look at others besides softronic
 
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Old 06-22-2008 | 05:15 PM
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for some reason I cant open your PM... I just heard to stay away from that flash... If I was you I would look at FVD,, APR
 
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Old 06-22-2008 | 05:17 PM
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it all depends on what you want out of the flash and what if any other work you will be doing in the future..
 
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Old 06-22-2008 | 05:24 PM
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To answer the OP question, DVs are a PM action not a requirement. The stock DVs may fail and the rubber could end up in your turbos so most just do it.
 
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Old 06-22-2008 | 06:41 PM
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I did it. No issues to date. Period. I like that. They are challenging to get in in my opinion.


My tuner sent them to me pre-adjusted for what I was doing. I have Forge's. Many are good...AP, Bailey, EVOMS, Forge's. I happen to use Forges. I am sure there are more.

I have had cars with the Bosch part fail....I did not want to repeat that stuff on a much more expensive car.... Back in the day there was a pecking order to the bosch part...Hoppen's site used to have such data. Nice to know. The last one was quite good (a race part I think). Plastic still. The alloy ones are stronger. A bling factor for sure too. The issue to me was fix once or fix thrice....the labor ended up in my mind making the more expensive option likely cheaper over time. Just my way of thinking....PM if you will.

Now, in theory, they need to be oiled I think...but I plan to do that stuff when the engine is dropped for the belt change at 60k. ...or any other reason. SO, no big deal...I may be wrong here.

Best of luck.

Anyway, find a tuner and discuss this. This is 996TT "101" stuff....everyone will likely advise you to use them. Make sure when you order them that your supplier knows the car it is going into...some won't fit if not of a certain design, etc.

I had a kid in a honda pull up to me and "swoop/snurp/woosh" with his a few times to "impress" me on a busy highway in traffic. I happened to think he was not too bright....anyway, these don't do that kind of thing....not what they are about. Just fyi at least on the Forge's. They make a slight noise, but nothing like what one hears on the street these days in JDM tuner cars.
 

Last edited by jcb-memphis; 06-22-2008 at 09:16 PM.
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Old 06-22-2008 | 06:43 PM
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Originally Posted by boca996tt
most guys upgrade at the time of the reflash.. look at others besides softronic
Hey, whats wrong with softronic? I was thinking of getting that.
 
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Old 06-22-2008 | 06:55 PM
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I just heard that there are better brands out there..
 
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Old 06-22-2008 | 07:01 PM
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My stock DVs popped about a month after getting the car flashed. Might as well do them.
 
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Old 06-22-2008 | 07:07 PM
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Swap in a set of the Bosch motorsports DVs. They look OEM and they are very inexpensive.

If your worried about warranty and visually keeping things looking stock, these are the best way to go.

PM me if you need a set.
 
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Old 06-22-2008 | 08:22 PM
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UMV flash kicks ***! Lets NOT have another flash vs. flash war. PLEASE!!! There is NOTHING wrong with soft-tronic
 
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Old 06-22-2008 | 08:41 PM
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No wars. Agreed. There are a lot of tunes out there (for non-built engines..). No one has ever tested them all against each other or will likely do so on the 996TT platform. Let's be thankful that they exist!

And thankful that they figured out how to get into the ECU! That will get harder in time.... Tony gives very sound advice...the motorsports parts are what I was talking about and look identical to stock afaik. I had SAAB's and Audi's .....same part or close I think.
 

Last edited by jcb-memphis; 06-22-2008 at 09:07 PM.
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Old 06-22-2008 | 08:49 PM
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Giac flash with stock DV's, 4 years and 20k miles with 0 problems.
 
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Old 06-22-2008 | 08:52 PM
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What year is your car? If you have a newer TT, your OEM DV will probably last a little longer after the flash. You may not need to change them right away. The diaphragm in the OEM DV will break soon or later. With the flash and higher boost, ithe life of the DVs will be shorten.
 
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Old 06-22-2008 | 08:55 PM
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01 w/ 8000 miles... i guess i'll see after the update.
 


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