[s-cars] 2004 S4 Avant V8 -- Report on Test Drive

Taka Mizutani t44tqtro at gmail.com
Wed May 8 07:03:24 PDT 2013


You basically made a long winded post that says that Cody is basically
correct. Regardless, an AAN into a B6 is pretty much impossible
due to the OBD-II requirement as you stated.


On Wed, May 8, 2013 at 7:57 AM, Scott Justusson <qshipq at aol.com> wrote:

> Neither of the below is 'technically' correct.  Chris, Enforcement has
> nothing to do with LEGALITY.   This swap would be illegal on many fronts,
> according to the Federal EPA Laws.  Cody, IIRC from the trades, engine
> swaps must comply with emissions of the vehicle OR the engine, whichever is
> newer.  The 1991 EPA 'clarification' addresses additional questions
> regarding engine swaps, but the base laws haven't changed.
>
> So, swapping an 'old' engine into a newer car would be tough, because I
> doubt the AAN could pass the newer emission standard.  Since every vehicle
> since 1996 (specifically excluding the AAN) must be OBDII, this will be a
> problem for a B6 car sporting an AAN.  Since the B6 also never had an AAN
> 'option' engine, it would be illegal to swap this engine period.
>
> Also inducted into the EPA hall of fame, is the catalyst rules.  Cats must
> be in the stock location, and of the same number and configuration as from
> the factory.  Yup, Stromung exhausts are flat illegal too, it's missing one
> of the cats.
>
> IMO/E a newer engine into an older chassis is not really that difficult to
> demonstrate as 'cleaner' and more efficient to these rules (AAN into urq or
> 4k chassis for example).  An older engine into a newer chassis after 1973,
> is not only difficult, but to the AAN>B6, nary impossible to be 'legal' at
> the EPA Federal level.  Enforcement?  Lucky for most tweeksters, State EPA
> mandates are much less strict in enforcement.  But, I know in Illinois if
> you did this swap, the techs would want to plug into that OBDII port to
> check a AAN equipped B6, and you would fail until they could.  Since EPA
> compliance is a condition of license plate renewal, you could enjoy this
> swap for 11.9 months....
>
>
> HTH
>
>
> Scott J
> 4 x 20vt engines, but only 1 chassis with 3B from the factory
>
>
>
>
>
>
>
> -----Original Message-----
> From: chris chambers <fastscirocco_2000 at yahoo.com>
> To: Cody Forbes <cody at 5000tq.com>
> Cc: Robin Stoddard <robinstoddard at icloud.com>; Keith Franchetti <
> skidfranc at gmail.com>; S-CAR list <s-car-list at audifans.com>
> Sent: Tue, May 7, 2013 7:31 pm
> Subject: Re: [s-cars] 2004 S4 Avant V8 -- Report on Test Drive
>
>
>
>
>
> Laws regarding engine swaps vary by state .... Do whatever swap you want
> here in
> Michigan.
>
>
>
>
>
> >________________________________
> > From: Cody Forbes <cody at 5000tq.com>
> >To: chris chambers <fastscirocco_2000 at yahoo.com>
> >Cc: Robin Stoddard <robinstoddard at icloud.com>; Keith Franchetti
> <skidfranc at gmail.com>; S-CAR list <s-car-list at audifans.com>
> >Sent: Tuesday, May 7, 2013 6:03 PM
> >Subject: Re: [s-cars] 2004 S4 Avant V8 -- Report on Test Drive
> >
> >
> >Legally speaking any engine swaps registered for the road are required to
> be a
> same or newer model year engine than the chassis. If you have to go through
> inspection that's a no-go.
> >
> >-Cody Forbes (mobile)
> >
> >On May 7, 2013, at 2:27 PM, chris chambers <fastscirocco_2000 at yahoo.com>
> wrote:
> >
> >> Robin,
> >>
> >> How about looking for a  B6 S4 with engine issues and swap in an AAN?
> >> Buy cheap and build the car you want.
> >>
> >>
> >> Chris
> >>
> >>
> >>
>
>
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