Does zinc effect pollution itself, or just shorten the life of a cat, therefore reducing the machines ability to scrub the exhaust? I read somewhere that the move to reduce ZDDP was to force manufactures to get at least 100,000 miles out of all cats.
Ed 300E 2009/6/8 ernest breakfield <erne...@backyardengineering.org> > BMW is nutty about getting the proper ZDDP levels in their motorcycles; > such that they still specify SG grade oils (and nothing higher) since SG > grade still has an 'acceptable' level of Zinc. later grades than SG have > less ZDDP, as it contributed to pollution. > any good FLAPS should be able to order SG grade oil like Castrol if > that's what you're really after. > > > cheers! > e > > > LarryT wrote: > >> Hi Ed, >> All I've read about getting correct ZDDP levels (which is quite a bit) - >> indicate using a diesel rated oil is a good option. The other is to use one >> of the many ZDDP Additives available.... I'm using Cam-Tune but there are >> many others ... >> >> good luck - >> Larry T >> >> ----- Original Message ----- From: "Peter Hertzing" <phertz...@gmail.com> >> To: "Mercedes Discussion List" <mercedes@okiebenz.com> >> Sent: Thursday, June 04, 2009 4:31 PM >> Subject: Re: [MBZ] More OIL Questions >> >> >> I've run the 15/40 in all my Volvo's and my gaser E320 Seems to get the >>> job >>> done. Never had a mechanical failure due to oil breakdown - ever. >>> >>> On Thu, Jun 4, 2009 at 3:29 PM, E M <pokieba...@gmail.com> wrote: >>> >>> I use the dino Rotella Diesel 15/40 in the old 300E gasser, and it seems >>>> to >>>> work well. I like it for the higher zink content. I'm not sure what to >>>> run >>>> in my old 911 now that the zink levels have been reduced, but I'm >>>> thinking >>>> to maybe go with Rotella in that too. Any thoughts ? >>>> >>>> Ed >>>> 300E >>>> >>>> 2009/6/4 R A Bennell <b...@mts.net> >>>> >>>> > >>>> > >>>> > >>>> > I don't see much choice in Mobil 1 here but when I go over the border >>>> into >>>> > the USA, I always look at WalMart to see >>>> > what they have. >>>> > >>>> > Do I need to worry about the coding on the jugs or is any reasonably >>>> heavy >>>> > Mobil 1 going to be ok for my old 300D? >>>> > >>>> > So far, I have just stuck with the Shell Rotella oil. >>>> > >>>> > Randy >>>> > >>>> > >>>> >>> [snip] > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090608/56305067/attachment.html > > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090609/91fb6ff5/attachment.html> _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
