[W126 Coupe] question for regarding exhaust

Jonathan jhodgman at gmail.com
Tue Jan 29 21:54:18 EST 2008


I ran my white coupe on an emission machine sans cats for S&G's about
1000 miles after a going through the top end, timing, injection etc..
Air Fuel was set w/ a wide band O2, tuned to w/ in an inch of it's
life. The emissions numbers we So far out it was laughable. The old
cats do quite a bit actually...based on the emissions inspection from 1
year (and all the above work) prior as the car was squeaky clean.

Jonathan

Markus Meyer wrote:

> I've heard that our cars had engines "blueprinted" at the factory?

> I've also heard from some without cats who have had their cars tested

> that there was little difference compared to when the cat was on. Of

> course, many variables involved, but....it wouldn't surpise me, as my

> SEC with 15 year old exhaust didn't register must different than when

> the exhaust was replaced with brand new - practically clean burning

> both ways, and if you subscribe to the theory that old cats don't "do

> much", well....

>

> Markus Meyer

> mfm at meyerprobateproperties.com <mailto:mfm at meyerprobateproperties.com>

> www.meyerprobateproperties.com <http://www.meyerprobateproperties.com/>

> Meyer Probate & Properties, LLC

> 484-919-9762

>

>

> -------- Original Message --------

> Subject: Re: [W126 Coupe] question for regarding exhaust

> From: Jonathan <jhodgman at gmail.com>

> Date: Tue, January 29, 2008 9:32 pm

> To: Mercedes Coupes Mailing Lists <mbcoupes at mbcoupes.com>

>

> Gary wrote:

>> a few days ago i saw an sec on ebay. and in the description part

>> they made a statement regarding amg exhaust....here it is. is

>> it true that the catalytic converters can be eliminated and pass

>> a california emissions test?

>>

>> by the way if you would like to look at the car. which is

>> absolutely beautiful here is the ebay number. it sold in few

>> days Item number: 190193605436

>>

>>

>> ------------------------------------------------------------------------

>>

>> The MB Coupes Website!

>> W126 SEC Mailing List

>> Postings remain property of MB Coupes, L.L.C.

> No, no and No. You can't pass GA emission w/o a cat on one of

> these cars..hell, I'd wager you couldn't pass anyone's emissions

> test w/o a cat.

>

> Interesting car, but the non-period correct AMG badge always makes

> me cringe. Maybe it's just me, but I won't buy any car w/

> 'supposed' performance mods w/o a dyno chart documenting before

> and after #'s.

>

> Jonathan

>

>

> --

> Blue Ridge Mercedes

> Offering Enthusiast Service, Restoration and Modification.

> Providing quality parts to discriminating customers in all parts of the world.

> Located in the Greater Atlanta area.

> http://www.blueridgemb.com

> *Updates weekly*

>

> 1996 S600 Euro "Scharnhorst"

> 1991 560 SEC Euro ECE Conv. (for sale)

> 1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)

> 1989 560 SEC Euro ECE *Parts*

> 1988 300 TE

> 1989 560 SEC AMG (Mech.lifter/radical cam conv.)

> 1986 560 SEL 6.0L 32V AMG

> 1980 280 SE Euro

> 2006 Z4 3.0Si M-Spec

>

>

> ------------------------------------------------------------------------

> The MB Coupes Website!

> W126 SEC Mailing List

> Postings remain property of MB Coupes, L.L.C.

>

> ------------------------------------------------------------------------

>

> The MB Coupes Website!

> W126 SEC Mailing List

> Postings remain property of MB Coupes, L.L.C.



--
Blue Ridge Mercedes
Offering Enthusiast Service, Restoration and Modification.
Providing quality parts to discriminating customers in all parts of the world.
Located in the Greater Atlanta area.
http://www.blueridgemb.com
*Updates weekly*

1996 S600 Euro "Scharnhorst"
1991 560 SEC Euro ECE Conv. (for sale)
1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)
1989 560 SEC Euro ECE *Parts*
1988 300 TE
1989 560 SEC AMG (Mech.lifter/radical cam conv.)
1986 560 SEL 6.0L 32V AMG
1980 280 SE Euro
2006 Z4 3.0Si M-Spec

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