Thanks for that Dave.

I agree with you.

No engineers in the House of Commons, suspect the same in the EU.

I looked for the Ford Mondeo V6 in the list but couldn't find it.

Do not understand why a Morgan is deemed to have the same CO2 emissions as
the donor car.

Cheers, Brian

On Tue, May 29, 2012 at 7:14 PM, Dave Wellings <[email protected]
> wrote:

> ****
>
> Brian****
>
> ** **
>
> Look on Pager 97 & 98 – the official manufacturers figs. All Mogs are 1.05.
> ****
>
> ** **
>
> http://www.dft.gov.uk/vosa/repository/Emissions%2017th%20Edition.pdf****
>
> ** **
>
> What I really don’t understand, is why the upper Lambda matters, when it’s
> the weak measure, and if the CO and HC is OK, a fail on this measure seems
> bizarre.****
>
> ** **
>
> Dave****
>  ------------------------------
>
> *From:* Brian Cowell [mailto:[email protected]]
> *Sent:* 29 May 2012 16:52
> *To:* mogtalk2
> *Subject:* Re: [mogtalk2] Sweating at the MOT****
>
> ** **
>
> Dave, Jon****
>
>  ****
>
> I've come late to this.****
>
> I think that you both and I have Mk I Roadsters.****
>
>  ****
>
> lambda readings are (all at speeds of about 2700 rpm):****
>
>  ****
>
> Nov 2009 & Nov 2010:  1.01, the bounds being 0.97 and 1.03.****
>
> All figures given to 2 decimal places.****
>
>  ****
>
> Nov 2011: 1.003, the bounds being given as 0.970 and 1.030.****
>
>  ****
>
> I take the car to the Factory (who use Malvern Motor Services) for its MOT.
> ****
>
>  ****
>
> Petrol used is Shell V Power, although used Shell Premium for some of the
> time.****
>
>  ****
>
> Cheers****
>
>  ****
>
> Brian of SpotMog****
>
> On Tue, May 22, 2012 at 8:52 PM, Martyn J Culling <
> [email protected]> wrote:****
>
> Jon****
>
> Perhaps not a good idea to ask the tester, as you got pass figures, but I
> wonder what the experimental error is here. Your figure this year is less
> than 0.5% different to last year which to a lot of measuring methods is the
> same thing! ****
>
> ****Woodstock**** of course is much pre-catalyst and just does not have
> to emit “excessive” smoke. Likewise the three wheeler.****
>
> rgds Martyn****
>
>  ****
>
> *From:* Jon Mark [mailto:[email protected]]
> *Sent:* 22 May 2012 20:59
> *To:* mogtalk2
> *Subject:* RE: [mogtalk2] Sweating at the MOT****
>
>  ****
>
> Dave, interesting info****
>
>  ****
>
> My Roadster passed it’s test today & I was just comparing last year
> emissions whilst I file the test cert (which is a recipe for forgeries,
> there’s no special text, or watermark & it’s just printed on white
> photocopier paper – bonkers)****
>
>  ****
>
> Lambda           this year 1.03****
>
>                         Last year 1.025****
>
> 2010            1.024****
>
> 2009            1.018 ****
>
> Do they ‘wear’ out ? or is it just with price watching on petrol, I put
> more supermarket stuff in than I used to ?****
>
> Although it’s the first test since being ‘chipped’****
>
>  ****
>
> Regards,****
>
> Jon ****
>  ------------------------------
>
> *From:* Dave Wellings 
> [mailto:[email protected]<[email protected]>]
>
> *Sent:* 22 May 2012 20:29
> *To:* mogtalk2
> *Subject:* [mogtalk2] Sweating at the MOT****
>
>  ****
>
> Some of you will no doubt know all about this, but here is my story from
> yesterday, just posted on Talkmorgan.****
>
>  ****
>
> MOT today. The form has now been dumbed down. Instead of the green hard to
> forge certificate, it's a simple white page print out, with any advisories
> on the right hand side.
>
> What's more interesting, and worrying is the Lambda requirement. This
> measures the fuel/air ratio at the tailpipe, and is between two parameters,
> which for my Morgan is (allegedly) 0.9 to 1.03. This is a very narrow band.
> On the screen, this displays as a red band with a narrow green pass band.
> The measure is shown as a white bar, and is taken at a prescribed 'fast
> idle' - just under 3000rpm. It was a struggle to get below 1.03. After a
> couple of attempts the tester managed 1.025. A high reading indicates a
> leak in the exhaust system, but both tailpipes produced the same effect.
> There is no obvious leak, but the Lambda shows a weak mixture.
> On checking last years result, it was 1.024, so that was right at the top
> end. The machine can't be conned, so exceed the limit and you will fail.**
> **
>



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