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

Life expectancy of Deverter Valves ??

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Old Apr 28, 2009 | 11:58 AM
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Question Life expectancy of Deverter Valves ??

Rolled over 50K at the track a few weeks back and decided it was time for a spark plug/coil pack change this past weekend, I had about 25K miles on the old set.

As I was doing the job, I started to wonder about the DV's (I have Evo's DV's), what is their normal life expectancy 30K .. 60K .. don't need to be replaced ??

I have noticed that the car will still boost to 1.2 bars, but slowly drops back down to 0.9 at about .1 bar/sec (that's one-thousand-one ... one-thousand-two).

Any info/thoughts is always appreciated.

 
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