Some of the older cars that had "True Dual" exhaust and Cats used Air
Injection to "preheat the cats...some of them also located the cats closer
to the manifolds...and yes, they were smaller. I couldn't tell you what
they do on the cars that were referenced in the email, but i'm sure that one
of the above applies.
> -----Original Message-----
> From: owner-dakota-truck@buffnet4.buffnet.net
> [mailto:owner-dakota-truck@buffnet4.buffnet.net]On Behalf Of mrdancer
> Sent: Monday, February 15, 1999 9:48 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: RE: Resetting the Computer?WAIT A MINUTE
>
>
> maybe they make the cats smaller so they heat up faster? maybe they are
> pre-heated? anyone have any other ideas??
> -----Original Message-----
> From: Jon Steiger <stei0302@cs.fredonia.edu>
> To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
> Date: Monday, February 15, 1999 9:42 PM
> Subject: Re: DML: RE: Resetting the Computer?WAIT A MINUTE
>
>
> >At 08:44 PM 2/15/99 -0600, you wrote:
> >>My understanding is this:
> >>
> >>Cats only work when they have warmed up to operating
> temperature, which is
> >>very hot. They are warmed up via exhaust gases flowing thru
> them. If you
> >>split the exhaust gases to 2 different cats, they will warm up
> much slower
> >>and you'll be spewing emissions into the air for a much longer period of
> >>time. Hence, the regs on dual cats.
> >>
> >>Now, if someone could 'invent' a pre-heated catalytic converter
> and get it
> >>EPA-approved, you could have dual cats AND be environmentally
> cleaner than
> >>the original....... :^)
> >
> >
> > I believe there are cars and trucks that have dual exhausts though.
> >I'm not sure, but I think the Mustang has a dual exhaust. When I was
> >at Jason & Norah's house, they had a model of a Ram and it had a
> >dual exhaust with dual cats. (Granted, that doesn't prove anything,
> >but usually companies model these things after a real vehicle...)
> >Does the V10 have a dual exhaust?
> >
> > -Jon-
> >
> > .--- stei0302@cs.fredonia.edu ------------------------------------.
> > | Affiliations: DoD, EAA, MP Race Team, NMA, SPA, USUA. RP-SEL |
> > | '96 Dodge Dakota v8 SLT CC (14.58@93.55), '96 Kolb FireFly 447 |
> > `----------------------- http://www.cs.fredonia.edu/~stei0302/ ---'
>
>
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