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RE: The Boost Nazi

To: ba-autox@autox.team.net
Subject: RE: The Boost Nazi
From: Paul Stubbs <paul@sfotrading.com>
Date: Wed, 28 May 2003 13:32:11 -0700
Would a "Normally Aspired" engine be one that is:

1. wishing to be normal
2. wishing not to be turbo
3. wishing to be a turbo
4. or is this a US abreviation of "aspirated" :)

I think my engine aspires not to be normally aspirated.


-----Original Message-----
From: owner-ba-autox@autox.team.net
[mailto:owner-ba-autox@autox.team.net]On Behalf Of Dennis & Sherry
Armstrong
Sent: Wednesday, May 28, 2003 11:27 AM
To: John J. Stimson-III; Jake Hodges
Cc: ba-autox@autox.team.net
Subject: The Boost Nazi


 Is that a new title for you John, The Boost Nazi...
Boy am I glad I drive a Normally Aspired Engine : )

                               Dennis

----- Original Message -----
From: "John J. Stimson-III" <john@harlie.idsfa.net>
To: "Jake Hodges" <jake@codeworm.com>
Cc: <ba-autox@autox.team.net>
Sent: Wednesday, May 28, 2003 9:33 AM
Subject: Re: Pop-off valves in STX?


> On Wed, May 28, 2003 at 09:08:07AM -0700, Jake Hodges wrote:
> > I'm asking for a friend..  I don't actually know what a pop-off valve
is,
> > but apparently it's desirable in some way.
> >
> > 1. Is it legal in STX?
> >
> > 2. For my own information, what does it REALLY do?  I've heard some
"fast
> > and furious" explanations, if you know what I mean, but I'd like someone
> > with some understanding of the English language to show off how much
they
> > know on the subject to help my friend make an informed decision.
>
> 2. As I understand it, a blow off valve or pop off valve is a valve in
>    the pressurized segment of the intake manifold which opens to vent
>    some air when the pressure reaches a certain level.  They can be
>    used for either safety (to make sure that the engine never gets too
>    much boost) or for tuning (to choose the desired boost at a given
>    operating point).  It's the thing that makes the Psssh! noises when
>    you're playing Gran Turismo :-) The car probably already has a BOV,
>    but it probably opens at some wimpy pressure like +6psi and doesn't
>    make a sufficiently intimidating whoosh noise.
>
> 1. No, I don't think that they are legal for STX, since STX's engine
>    prep rules are generally as or more restrictive than SP and SP
>    doesn't allow them.  BOVs are a direct way of controlling your
>    boost, and you're not allowed to mess with the boost anywhere other
>    than Mod, and *possibly* Prepared.
>
> "NO BOOST FOR YOU!"
>      -The Boost Nazi
> --
>
> john@idsfa.net                                              John Stimson
> http://www.idsfa.net/~john/                              HMC Physics '94

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