On Wed, 8 Jan 2003, Cheryl and Jim Fossum wrote:
> >Actually, I think the programmable CPU will only move him into SM2 if it
> >controls boost. Otherwise, it would still be legal for ASP.
>
> >Anyone who knows the correct answer is free to jump in here :)
>
> A "piggyback" computer that only modifies the output signals from the CPU
> (i.e. fuel injector pulse width and ignition timing signals) but doesn't
> control boost should be legal. A replacement or reprogrammed ECU is usually a
> no-no on a turbo car as it has the potential to affect boost control functions
> (including fuel cut). The same generally goes for any modification to the
> airflow signal into the CPU for the same reasons. If the changes in no way
> affect wastegate control or fuel cut functions, that should be legal, but you
> had better have enough documentation to prove it to a protest comittee.
>
hm, maybe i'll keep 2 computers around just in case. Then again it'll be
a long time before my driving skills get up to the point where anyone
would protest me :)
--------------------------
Scott M. Stone <sstone@foo3.com>
Cisco Certified Network Associate, Sun Solaris Certified Systems Administrator
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