bypass valve

[auditude at neta.com]

This this guy swtched to a Bailey valve, after the Forge one was 
already in?  Did he have any complaints about the Forge vavle?

Thanks,

Ken

On 7 Feb 2001, at 22:57, Todd Phenneger wrote:

> FWIW,
>   Down at the Monterey Historics, we saw the hood get popped on
> the IMSA 200.  Or was it the Trans Am 90 GTO.  Either way, point
> is, it had a factory Bosch bypass valve.  Maybe only because at
> the time nothing better was available and they changed it at
> every pit stop.  I dont know.  But it was there. Heh Heh. 
>   That said, a friend just put a Forge Valve and then a Baily
> Valve on his ur-S4.  Both gave noticable better and more
> consistent boost.  Even on a Brand new TT they made a small
> difference. Enough so that they both bought one. :-)
> l8r
>   Todd
> 
> --- Peter Berrevoets <pjberr at home.com> wrote:
> > 
> > I see your point in the potential for failure in the diaphram
> > of this bosch
> > unit.
> > 
> > However, several performance tuners and most notably Dahlback
> > Racing in
> > their gazillion HP 20V Turbo motor are using this valve. The
> > Dahlback in
> > fact uses two in parallel and uses quite a bit of custom
> > fabrication to do
> > so.
> > 
> > Perhaps there is some merit to using the Bosch valve. I know
> > they make good
> > products, is it perhaps the method of deployment that is in
> > need of
> > modifying rather than blaming the valve itself?
> > 
> > my $0.02
> > 
> > Peter Berrevoets
> > 1990 200TQ
> > Toronto, Canada
> 
> 
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