No subject

When all is said and done, I hope to have some aftermarket valves 
on my car.  $40 or whatever for the stock one is a good start, 
especially if you are plumbing one in for the first time.  That's what 
I'm going to be doing anyway.

Ken

On 7 Feb 2001, at 19:10, TM wrote:

> Rob,
> I beg to differ. The stock Bosch bypass valves do have a tendency to
> fail when running higher than stock boost levels. In fact, my 200q had
> a bypass valve failure at stock boost. Our A4's valve is bad, and
> needs replacement as soon as weather allows. Porsche 951s go through
> bypass valves pretty often as well.
> 
> The Bailey and Forge valves that are currently popular with the A4/S4
> crowd apparently fix the failure problem, albeit at a fairly high
> cost.
> 
> Now if you're talking about those blow-off valves that vent to
> atmosphere, like the HKS and Blitz products, I have no knowledge of
> them other than they cause Audi engines to run rich.
> 
> Taka
> 
>