source for wastegate diaphragms

[Kneale Brownson]

At 02:43 PM 04/28/2003 -0400, Bill Lockwood wrote:
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>After an enthusiastic romp around the back lots of New Hampshire
>International Speedway, and smoking a chipped 1.8t, which are not that
>fast compared to a 5ktq.  My wastegate diaphragm decided to end my fun
>early and allowing the boost to crank up to almost or maybe past 20
>psi?  As soon as I realized that it was over boosting I stopped horsing
>around, which was maybe about a second.
>
>I don't remember where I obtained one of these WG diaphragms a couple
>years ago for my dad's car.  Can anyone enlighten me??
>
>Thanks,
>Bill Lockwood
>
>5ktq push start with 17+ PSI
http://www.sjmautotechnik.com/prod.html#wgdia