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That makes sense but if it=E2=80=99s drugs it in the very center of the Ta=
ppit, It
probably doesn=E2=80=99t turn much
On Mon, Sep 10, 2018 at 7:43 AM TERRY SMITH <terryrs@comcast.net> wrote:
> Dunno about any change but the label on the jug claims "High Zinc."
>
>
> On September 9, 2018 at 8:14 AM Paul Dorsey <dorpaul1@gmail.com> wrote:
>
> Five or 10 years ago I didn=E2=80=99t think there was much of an zinc i=
ngredient
> in Valvoline racing oil. Have things Change D?
>
> On Sun, Sep 9, 2018 at 8:09 AM TERRY SMITH < terryrs@comcast.net> wrote:
>
> I have, on occasion, had too much of a good time, so yes I'm guessing yes
> anything has a surfeit of advantage. If you're running a zinc additive I
> don't think you'd need to also use racing oil. I'm just too lazy to mess
> with it. And too, I have to top off the oil with fair frequency and don'=
t
> want to have to track the dilution factor by adding zinc everytime.
>
> On September 9, 2018 at 7:56 AM Paul Dorsey < dorpaul1@gmail.com> wrote:
>
> Why do you think the synthetic oil might have done that? I ordered som=
e
> ZDVP from Moss, So I guess Valvoline racing one might be overkill for me.
> Can you have too much zinc?
>
> On Sun, Sep 9, 2018 at 7:46 AM TERRY SMITH < terryrs@comcast.net> wrote:
>
> Just my experience, but on my last engine rebuild, my lifters were toast,
> having traded much metal with the cam lobes. I'd run exclusively Valvoli=
ne
> synthetic, an otherwise fine oil except for the zinc content. Now I'm
> running Valvoline 20-50 racing oil. So far no problems, but we'll know f=
or
> sure at the next tear down.
>
> Terry Smith, '59 TR3A
> New Hampshire
>
> > On September 5, 2018 at 1:59 PM Randall < tr3driver@ca.rr.com> wrote:
> >
> >
> >
> > > I've been told that Valvoline Racing oil has zinc in it.
> > > It's odd that the newer cars don't require it. In fact, why
> > > is it important?
> >
> > Lots of opinions, here are mine:
> >
> > In a nutshell, it helps protect critical surfaces (like cam lobes and
> > lifters) in case the oil film breaks down (gets rubbed away by the
> relative
> > motion of parts).
> >
> > The TR camshaft (along with many other performance cars) is actually
> pretty
> > aggressive in terms of force developed between the camshaft lobe and
> lifter
> > during high rpm engine operation.
> >
> > Newer engines either use roller lifters (to eliminate the rubbing
> between
> > lobe and lifter) or less aggressive camshafts (that are less likely to
> rub
> > away the oil film).
> >
> > Honestly, I'm not absolutely convinced that the TR motor needs the extr=
a
> > ZDDP. But it seems clear that many older engines do (even those not
> > particularly high performance by today's standards); and it hardly seem=
s
> > worth taking a chance by using a lower ZDDP oil. (AFAIK, all modern
> motor
> > oils still contain some ZDDP, they just have lower amounts. The oil
> > industry has been searching for a suitable substitute, but I haven't
> heard
> > of them finding one yet.)
> >
> > -- Randall
> >
> > ** triumphs@autox.team.net **
> >
> > Donate: http://www.team.net/donate.html
> > Archive: http://www.team.net/pipermail/triumphs
> http://www.team.net/archive
> >
> > Unsubscribe/Manage:
> http://autox.team.net/mailman/options/triumphs/terryrs@comcast.net
>
>
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<div><div dir=3D"auto">=C2=A0That makes sense but if it=E2=80=99s drugs it =
in the very center of the Tappit, It probably doesn=E2=80=99t =C2=A0turn =
=C2=A0much</div></div><div><br><div class=3D"gmail_quote"><div dir=3D"ltr">=
On Mon, Sep 10, 2018 at 7:43 AM TERRY SMITH <<a href=3D"mailto:terryrs@c=
omcast.net">terryrs@comcast.net</a>> wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex"><u></u>
=20
<div><p style=3D"font-size:12pt;font-family:helvetica,arial,sans-serif;colo=
r:rgb(51,51,51)">Dunno about any change but the label on the jug claims &qu=
ot;High Zinc."<br></p></div><div><p style=3D"font-size:12pt;font-famil=
y:helvetica,arial,sans-serif;color:rgb(51,51,51)"><br></p><blockquote type=
=3D"cite">On September 9, 2018 at 8:14 AM Paul Dorsey <<a href=3D"mailto=
:dorpaul1@gmail.com" target=3D"_blank">dorpaul1@gmail.com</a>> wrote: <b=
r> <br><div><div dir=3D"auto">=C2=A0Five or 10 years ago I didn=E2=80=99t t=
hink there was much of an =C2=A0zinc ingredient in =C2=A0Valvoline racing o=
il. Have things Change D?</div></div><div><br><div class=3D"m_8478195670273=
029513ox-0f7987c59a-gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 2018 at 8:=
09 AM TERRY SMITH < <a href=3D"mailto:terryrs@comcast.net"; target=3D"_bl=
ank">terryrs@comcast.net</a>> wrote: <br></div><blockquote><u></u><div><=
p style=3D"font-size:12pt;font-family:helvetica,arial,sans-serif;color:#333=
333">I have, on occasion, had too much of a good time, so yes I'm guess=
ing yes anything has a surfeit of advantage.=C2=A0 If you're running a =
zinc additive I don't think you'd need to also use racing oil.=C2=
=A0 I'm just too lazy to mess with it.=C2=A0 And too, I have to top off=
the oil with fair frequency and don't want to have to track the diluti=
on factor by adding zinc everytime.=C2=A0 <br></p></div><div><blockquote ty=
pe=3D"cite">On September 9, 2018 at 7:56 AM Paul Dorsey < <a href=3D"mai=
lto:dorpaul1@gmail.com" rel=3D"noopener" target=3D"_blank">dorpaul1@gmail.c=
om</a>> wrote: <br> <br><div><div dir=3D"auto">=C2=A0Why do you think th=
e synthetic =C2=A0oil =C2=A0might have done that? I ordered some ZDVP from =
Moss, So I guess Valvoline racing one might be overkill for me. Can you hav=
e too much zinc?</div></div><div><br><div class=3D"m_8478195670273029513ox-=
0f7987c59a-m_3122730354673180787ox-9a6985d4be-gmail_quote"><div dir=3D"ltr"=
>On Sun, Sep 9, 2018 at 7:46 AM TERRY SMITH < <a href=3D"mailto:terryrs@=
comcast.net" rel=3D"noopener" target=3D"_blank">terryrs@comcast.net</a>>=
wrote: <br></div><blockquote>Just my experience, but on my last engine reb=
uild, my lifters were toast, having traded much metal with the cam lobes.=
=C2=A0 I'd run exclusively Valvoline synthetic, an otherwise fine oil e=
xcept for the zinc content.=C2=A0 Now I'm running Valvoline 20-50 racin=
g oil.=C2=A0 So far no problems, but we'll know for sure at the next te=
ar down. <br> <br> Terry Smith, '59 TR3A <br> New Hampshire <br> <br> &=
gt; On September 5, 2018 at 1:59 PM Randall < <a href=3D"mailto:tr3drive=
r@ca.rr.com" rel=3D"noopener" target=3D"_blank">tr3driver@ca.rr.com</a>>=
wrote: <br> > <br> > <br> > <br> > > I've been told tha=
t Valvoline Racing oil has zinc in it.=C2=A0 <br> > > It's odd th=
at the newer cars don't require it.=C2=A0 In fact, why <br> > > i=
s it important? <br> > <br> > Lots of opinions, here are mine: <br> &=
gt; <br> > In a nutshell, it helps protect critical surfaces (like cam l=
obes and <br> > lifters) in case the oil film breaks down (gets rubbed a=
way by the relative <br> > motion of parts). <br> > <br> > The TR =
camshaft (along with many other performance cars) is actually pretty <br> &=
gt; aggressive in terms of force developed between the camshaft lobe and li=
fter <br> > during high rpm engine operation. <br> > <br> > Newer =
engines either use roller lifters (to eliminate the rubbing between <br> &g=
t; lobe and lifter) or less aggressive camshafts (that are less likely to r=
ub <br> > away the oil film). <br> > <br> > Honestly, I'm not =
absolutely convinced that the TR motor needs the extra <br> > ZDDP.=C2=
=A0 But it seems clear that many older engines do (even those not <br> >=
particularly high performance by today's standards); and it hardly see=
ms <br> > worth taking a chance by using a lower ZDDP oil.=C2=A0 (AFAIK,=
all modern motor <br> > oils still contain some ZDDP, they just have lo=
wer amounts.=C2=A0 The oil <br> > industry has been searching for a suit=
able substitute, but I haven't heard <br> > of them finding one yet.=
) <br> > <br> > -- Randall=C2=A0 <br> > <br> > ** <a href=3D"ma=
ilto:triumphs@autox.team.net" rel=3D"noopener" target=3D"_blank">triumphs@a=
utox.team.net</a> ** <br> > <br> > Donate: <a href=3D"http://www.team=
.net/donate.html" rel=3D"noopener" target=3D"_blank">http://www.team.net/do=
nate.html</a> <br> > Archive: <a href=3D"http://www.team.net/pipermail/t=
riumphs" rel=3D"noopener" target=3D"_blank">http://www.team.net/pipermail/t=
riumphs</a>=C2=A0 <a href=3D"http://www.team.net/archive"; rel=3D"noopener" =
target=3D"_blank">http://www.team.net/archive</a> <br> > <br> > Unsub=
scribe/Manage: <a href=3D"http://autox.team.net/mailman/options/triumphs/te=
rryrs@comcast.net" rel=3D"noopener" target=3D"_blank">http://autox.team.net=
/mailman/options/triumphs/terryrs@comcast.net</a> <br></blockquote></div></=
div></blockquote></div></blockquote></div></div></blockquote></div>
</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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