[s-cars] Stock boost levels?

[Robert Myers]

You are forgetting one little detail.  Bar are usually measured in absolute 
terms.  2.2 bar would be 2.2 bar above total vacuum.  In round numbers 2.2 
bar is about 35 psia or about 20 psig (or 20 psi above "normal" atmospheric 
pressure).  That is about 20 psi of boost.  This is well within reach of a 
mildly chipped S-car and not that far above an unchipped s-car which would 
normally peak out at about 16 or perhaps 17 psig of boost.


At 09:15 AM 6/9/2004 -0600, mlp5 wrote:

>Missing a decimal point would still put Lino's gauge in the @ 31 psi peak
>range, "stabilizing" at 29 to 30.5psi.  That still seems pretty high, even
>for a chipped car..., even in EverboOST.
>
>But then maybe you Canadians do things differently.  I'm still flabbergasted
>at Joe Vella's running, I think he's said, 40psi on his stroker.  In fact
>I'm so flabbergasted I'm seriously thinking of switching to Molson's or
>LaBatte's full time, & I haven't the heart to tell Hap how much bigger Joe's
>turbo has to be than his  :-)
>
>I had a 91 200 TQ with the 3B which came with the same gauge package as the
>1992 UrS4.  As I recall, the digital boost gauge in the instrument cluster
>read in bar, but the highest reading I ever saw on that gauge was @1.2 to
>1.3 bar, and the scuttlebutt on that gauge was, it was alleged by many to be
>notoriously inaccurate for some reason or another.  The latter point always
>bothered me because it was never clear to me at least whether the boost
>gauge was getting is information from it's own sensor, or ... from some kind
>of feed back from the ECU.  If the latter, the suggestion that the
>information  would be unreliable was unsettling.
>
>Until Lino clears it up, I think I'll go with the missing a decimal point &
>somehow reading/reporting absolute pressure for @ 18psi,
>dropping/stabilizing at @ 14 to 16psi (i.e., 2.1-1= 1.1x14.5=15.95)
>interpretation.  Which after all, FWIW would seems more normal for a stock,
>unchipped ECU.  But, OTOH if Lino is regularly running 30+psi I'd be pretty
>interested in how he's doing that too :-)
>
>mike
>
>
> >-----Original Message-----
> >From: Mark Strangways [mailto:Strangconst at rogers.com]
>
> >I would imagine he is talking about the digital boost gauge on
> > his car.. It's a canuck 93, so we get the 92 goodies. I also
> >would imagine that he left the decimal point out.
> >
> >But I imagine you already know this.
> >
> >Mark S
>
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_____

Middle of the road?  There is nothing in the middle of the road except 
yellow stripes and dead possums.


Bob
*****
  Robert L. Myers  304-574-2372
  Rt. 4, Box 57, Fayetteville, WV 25840 USA  WV tag Q SHIP
  '95 urS6 Cashmere Grey - der Wunderwagen   ICQ 22170244
  http://www.cob-net.org/church/pvcob.htm
*****