IAT range

[D. Barry Stubbs]

>   I'm sure General Motors spent much time and effort to find the best location
> compromise for the IAT, especially on LT1 , LS1 and Vortec equipped
> vehicles, from
> what I can measure. Avoiding the Hype and finding the truth takes vigilance
> on all
> our parts . In the end , how does a change apply to a specific combination
> of parts.

In Mark's defense, I'm sure he was most likely asking about the Quad4 in
his Beretta which does rely on speed density as its primary measure of
intake ability, having no MAF sensor.  However, I have to agree with the
general statement that the IAT relocation mod shouldn't make a darn bit
of difference, or if anything, it should cause more problems than its
worth.  If I understand correctly, the IAT relocation mod is supposed to
place the IAT in a cooler location, thus tricking the ECM into richening
the a/f mixture.  But, is this what we really want?  I was under the
impression that, from the factory, most a/f mixtures are more towards
the rich side already to keep the cat cool and reduce the formation of
NOx, especially since the Quad4 does not utilize any measure of EGR.

========================================================================
D. Barry Stubbs                                    http://surf.to/z24man
(912) 745-9429                                     AOL IM: thez24man
z24man at earthlink.net          BNet Member #828     ICQ #5409648
#101DSP MidGa Region SoloII   94 Q4 5spd Aqua Z26  88 2.8 5Spd White Z24
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