Chipping a 1.8t, if I recall correctly, adjusts the boost on the motor. The
only thing allowed in STS is electronic or mechanical adjustment of the fuel
control system and the ignition control system, and you can only do it
mechanically or electronically, not both. With my little understanding of
turbo, adjusting the boost isn't mentioned, thus it's not allowed.
Chris
www.solo2.org
-----Original Message-----
From: owner-autox@autox.team.net [mailto:owner-autox@autox.team.net]On
Behalf Of Dave Hardy
Sent: Monday, January 28, 2002 1:32 PM
To: autox@autox.team.net
Subject: Re: Changing Mazda computer in ASP RX-7
This brought up an "opportunity" I saw, and wanted to get some feedback on
if it is illegal, and I'm just not seeing it. In STS, they say that ECU's
can be changed, but must retain the factory box. They also include the VW
1.8T as a sample vehical for the class demographic. The VW 1.8T benefits
GREATLY from a chip change. Eurotech quoted my buddy 40-45 HP and 45-50
ft-lbs. when coupled to an open intake and exhaust (both STS legal). I see
nothing in the STS rules stopping this. Does anyone else? Is this really
what they meant when they made the ECU rule? 210 ft-lbs... Just what every
street tired FWD needs!
Dave Hardy
89 SM
> >Is it legal to change out the factory computer to an
> >aftermarket to run the fuel injection in ASP?
>
> Yes, PROVIDED the computer does nothing to control the supercharging
system.
> I assume that the car you describe here has a factory turbo-supercharging
setup.
> Anything that affects the control of the turbo would be illegal in Street
Prepared.
>
> >
> >So if someone put an Appexi Computer Stand alone fuel
> >computer inplace of the stock fuel computer, is this
> >legal for ASP.
>
> Dunno. Does this computer help run the turbo?
>
> In cars which do not have superchargine systems ("normally-aspirated")
computers
> are clearly unrestricted. In turbo-cars, things are not that simple.
>
> >If I change the fuel injectors does this throw me out
> >of ASP?
>
> No. Any fuel injection or carbs are legal in Street Prepared
>
> >Asking for someone who would like to know.
>
> Assuming this person is interested in running Solo2 events, a rule book is
a
> good investment. I don't mean that to be snide, just to point out there
is
> a lot in the book, and interpretations of the book are what will count if
there
> is a protest.
>
> Phil (weigh my opinion with those of others) Ethier
>
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