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Date: Mon, 5 Apr 1999 07:36:01 -0400
From: "Eric Law" <elawnopsamexxx.com>
Subject: Re: How's the APC work?



Incidentally, while the boost control method is the same, that's completely
different from the older APC systems.  The old systems were very basic,
using analog electronics, and very "tweakable".  The Trionic system is
microprocessor-based and adaptive, and I would think twice before messing
with anything!

    Eric Law

Patrick Valleau <valleau8nopsamigy.net> wrote in message
news:3707CA4E.F8730C16nopsamigy.net...
> Trionic uses the boost modulator valve to bleed boost pressure away from
> the waste-gate to allow the boost to go higher. When it percieves
> pinging in the combustion chamber, the valve closes and directs more
> pressure to the waste-gate, thereby lowering the boost.
> Pat
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