[Mgs] OIL

Paul Hunt paul.hunt1 at blueyonder.co.uk
Tue Aug 31 02:15:53 MDT 2010


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/150916thAdd10308forprint-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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