Uh oh, are we starting up a cat thread??
Dan D
Central NJ USA
'76 MGB Tourer
'65 MGB Tourer (Project)
NAMGBR #5-2328
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________________________________
From: Max Heim <max_heim@sbcglobal.net>
To: MG List <mgs@autox.team.net>
Sent: Tue, August 31, 2010 1:14:45 PM
Subject: Re: [Mgs] OIL
The limit is so they don't foul cats (hence the problem); which is a
performance spec re emissions.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 8/31/10 1:15 AM, Paul Hunt at paul.hunt1@blueyonder.co.uk wrote:
> Both API and ACEA specifications include limits for levels of zinc and
> phosphorus:
> http://www.acea.be/images/uploads/pub/070308_ACEA_sequences_2007_LD_and_HD.pdf
> http://www.api.org/certifications/engineoil/pubs/upload/150916thAdd10308forpri
> nt-2.pdf
>
> I've seen (but can't now find) a statement that from some official body that
> modern formulations don't cause accelerated wear in older engines - not that
> I believed it given the amount of empirical evidence to the contrary.
>
> PaulH.
>
> ----- Original Message -----
>> No, these are performance specs, not ingredient specs. And flat tappet
>> engine wear is no longer part of the performance spec, apparently.
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