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Don=E2=80=99t we have flat tappet engines? Why do they need to rotate?
On Sun, Sep 9, 2018 at 2:58 PM Rye Livingston <ryel@mac.com> wrote:
> FYI - if a little zinc is good, a lot is NOT better. Things get too
> slippery and the tappets don=E2=80=99t rotate on the cam lobes. I learned=
this the
> hard way and the machine shop informed me of the error of too much zinc.
>
> So either Valvoline, Brad Penn or Kendall that have ZDDP, or half a bottl=
e
> of Red Line break-in oil per instructions, is the way to go.
>
> Rye
>
> Sent from my iPhone
>
> On Sep 9, 2018, at 7:24 AM, Randall <tr3driver@ca.rr.com> wrote:
>
> >> Five or 10 years ago I didn't think there was much of an
> >> zinc ingredient in Valvoline racing oil. Have things Change D?
> >
> > There was a brief period where they reduced it slightly; but Valvoline
> > Racing has always had ZDDP in it. It's not entirely clear to me that 9=
00
> > PPM is worse than 1100 PPM as long as you change oil frequently; more
> just
> > lets you run the oil longer before it is depleted. But the consumer
> > reaction was apparently enough to convince them to put it back up.
> >
> > -- Randall
> >
> > ** triumphs@autox.team.net **
> >
> > Donate: http://www.team.net/donate.html
> > Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
> >
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> http://autox.team.net/mailman/options/triumphs/ryel@mac.com
>
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<div>Don=E2=80=99t we have flat tappet engines? Why do they need to rotate?=
</div><div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 2=
018 at 2:58 PM Rye Livingston <<a href=3D"mailto:ryel@mac.com";>ryel@mac.=
com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">FYI - if a littl=
e zinc is good, a lot is NOT better. Things get too slippery and the tappet=
s don=E2=80=99t rotate on the cam lobes. I learned this the hard way and th=
e machine shop informed me of the error of too much zinc.<br>
<br>
So either Valvoline, Brad Penn or Kendall that have ZDDP, or half a bottle =
of Red Line break-in oil per instructions, is the way to go.<br>
<br>
Rye<br>
<br>
Sent from my iPhone<br>
<br>
On Sep 9, 2018, at 7:24 AM, Randall <<a href=3D"mailto:tr3driver@ca.rr.c=
om" target=3D"_blank">tr3driver@ca.rr.com</a>> wrote:<br>
<br>
>> Five or 10 years ago I didn't think there was much of an=C2=A0=
<br>
>> zinc ingredient in=C2=A0 Valvoline racing oil. Have things Change =
D?<br>
> <br>
> There was a brief period where they reduced it slightly; but Valvoline=
<br>
> Racing has always had ZDDP in it.=C2=A0 It's not entirely clear to=
me that 900<br>
> PPM is worse than 1100 PPM as long as you change oil frequently; more =
just<br>
> lets you run the oil longer before it is depleted.=C2=A0 But the consu=
mer<br>
> reaction was apparently enough to convince them to put it back up.<br>
> <br>
> -- Randall<br>
> <br>
> ** <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank">triump=
hs@autox.team.net</a> **<br>
> <br>
> Donate: <a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer"=
target=3D"_blank">http://www.team.net/donate.html</a><br>
> Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"nor=
eferrer" target=3D"_blank">http://www.team.net/pipermail/triumphs</a>=C2=A0=
<a href=3D"http://www.team.net/archive"; rel=3D"noreferrer" target=3D"_blan=
k">http://www.team.net/archive</a><br>
> <br>
> Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/t=
riumphs/ryel@mac.com" rel=3D"noreferrer" target=3D"_blank">http://autox.tea=
m.net/mailman/options/triumphs/ryel@mac.com</a><br>
</blockquote></div></div>
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** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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