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Re: ST-S Rules Clarifications?

To: Elmoizme@aol.com
Subject: Re: ST-S Rules Clarifications?
From: Kenneth Allan Mitchell <nokones@kenmitchell.com>
Date: Fri, 22 Mar 2002 06:36:58 -0800
The cam is also illegal for Street Prepared. The next level for a cam is
Prepared. Better start gutting the interior and throw on some slicks if
you Prepared.

Elmoizme@aol.com wrote:
> 
> You can run an emissions legal header, a cat, and then a cat back exhaust
> system.
> 
> A cam is not an engine management system, it is part of the engine
> drivetrain. Replacing that will place you in SP or SM.  A cam gear is a
> mechanical system but not allowed under STS rules. You can use under drive
> pulleys though.
> 
> You can use a fuel pressure regulator (mechanical) or an electrical fuel
> controller wired to the ECU/map/air flow sensor but not both pressure
> regulator and a fuel controller.
> 
> A reprogrammed ECU is allowed but must be in the original housing. No boost
> upgrades for  forced induction though.
> 
> Elton
> SM#68
> 
> In a message dated 3/21/2002 11:40:07 PM Pacific Standard Time,
> tas@darthracing.com writes:
> 
> > Hi,
> >
> > I am reading the ST-S rules at
> >
> > http://www.moutons.org/sccasolo/
> >
> > and have 2 questions, due in part to a contradiction in
> > Q1 and an interpretation in Q2:
> >
> >
> > Q1: Under Allowable modifications:
> >
> > * Exhaust system downstream of catalytic converter(s)
> >
> > then says
> >
> > * Emission-legal headers
> >
> >
> > Does this mean I can run headers/alternate manifold-pipe and cat back
> > exhaust? Headers are usually upstream of a cat I presume...
> >
> >
> > Q2: Also under Allowable modificatons:
> >
> > * Emission legal modifications to Engine management system, either
> > electronic or mehanical, but not both.
> >
> > Is an alternate cam considered "mechanical engine management"?
> >
> >
> > Headers and a new cam could do *a lot* for my buggy, but I'd like to
> > stay out of any classes where things with V8's, wings and turbines hang
> > out :)
> >
> > Thanks
> > Todd

-- 
Kenneth Allan Mitchell
mailto:nokones@kenmitchell.com

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