First GN chip

[the Fredericks]

> -----Original Message-----
> From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
> >  BTW, on the MAT sensor.. has anyone noticed that when you lay ~25 lbs
> > of boost to the turbo link boost sensor option that it codes the
> > computer? It looks like I'm not going to be able to hit my planned 30
> > lbs of boost with that option hooked up. UNLESS, I disable the coding in
> > the chip. Havn't really looked too close at it, yet. Too much other
> > stuff going on.
>
> Whatza   Turbo Link Boost Sensor?.  I got Turbo link is a scan
> tool, but the
> other is a ??.

The Boost Sense option is a little bit of wiring and a 3 bar MAP sensor; it
puts the MAP signal in the MAT wire and then reads boost out  on the ALDL
data stream in place of the old MAT value.  This setup counts on the fact
(as Jim mentioned) that the MAT is barely used for fuel corrections.
Obviously, if the calibration used the MAT value extensively, you'd get some
really weird results as your "air temps" swung radically back and forth.
:-)

Kendall Frederick

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