--===============7614533473818264423==
--0000000000007de91c0575727c82
Content-Transfer-Encoding: quoted-printable
Valvoline Racing Oil has always had high ZDDP levels, as far as I know.
Certainly it has for the almost ten years I've used it.
https://www.valvoline.com/about-us/faq/racing-oil-faq
On Sun, Sep 9, 2018 at 7:14 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 ye=
s
>> 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 mes=
s
>> 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
>> some ZDVP from Moss, So I guess Valvoline racing one might be overkill f=
or
>> 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 Valvol=
ine
>> 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 =
for
>> 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
>> extra
>> > ZDDP. But it seems clear that many older engines do (even those not
>> > particularly high performance by today's standards); and it hardly
>> seems
>> > 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
>>
>>
> ** 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/don.hiscock@gmail.com
>
>
--0000000000007de91c0575727c82
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div dir=3D"ltr">Valvoline Racing Oil has always had high =
ZDDP levels, as far as I know.=C2=A0 Certainly it has for the almost ten ye=
ars I've used it.<div><a href=3D"https://www.valvoline.com/about-us/faq=
/racing-oil-faq">https://www.valvoline.com/about-us/faq/racing-oil-faq</a><=
/div><div><br><div><br></div></div></div></div><div class=3D"gmail_extra"><=
br><div class=3D"gmail_quote">On Sun, Sep 9, 2018 at 7:14 AM, Paul Dorsey <=
span dir=3D"ltr"><<a href=3D"mailto:dorpaul1@gmail.com"; target=3D"_blank=
">dorpaul1@gmail.com</a>></span> wrote:<br><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex=
"><div><div dir=3D"auto">=C2=A0Five or 10 years ago I didn=E2=80=99t think =
there was much of an =C2=A0zinc ingredient in =C2=A0Valvoline racing oil. H=
ave things Change D?</div></div><div><br><div class=3D"gmail_quote"><div di=
r=3D"ltr">On Sun, Sep 9, 2018 at 8:09 AM TERRY SMITH <<a href=3D"mailto:=
terryrs@comcast.net" target=3D"_blank">terryrs@comcast.net</a>> wrote:<b=
r></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border=
-left:1px #ccc solid;padding-left:1ex"><u></u>
=20
<div><p style=3D"font-size:12pt;font-family:helvetica,arial,sans-serif;colo=
r:rgb(51,51,51)">I have, on occasion, had too much of a good time, so yes I=
'm guessing yes anything has a surfeit of advantage.=C2=A0 If you'r=
e running a zinc additive I don't think you'd need to also use raci=
ng 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 dilution factor by adding zinc everytime.=C2=A0 <br></p></div><div><blo=
ckquote type=3D"cite">On September 9, 2018 at 7:56 AM Paul Dorsey <<a hr=
ef=3D"mailto:dorpaul1@gmail.com"; target=3D"_blank">dorpaul1@gmail.com</a>&g=
t; wrote: <br> <br><div><div dir=3D"auto">=C2=A0Why do you think the synthe=
tic =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 have too mu=
ch zinc?</div></div><div><br><div class=3D"m_8227906701391840797m_312273035=
4673180787ox-9a6985d4be-gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 2018 a=
t 7:46 AM TERRY SMITH < <a href=3D"mailto:terryrs@comcast.net"; target=3D=
"_blank">terryrs@comcast.net</a>> wrote: <br></div><blockquote>Just my e=
xperience, but on my last engine rebuild, my lifters were toast, having tra=
ded much metal with the cam lobes.=C2=A0 I'd run exclusively Valvoline =
synthetic, an otherwise fine oil except for the zinc content.=C2=A0 Now I&#=
39;m running Valvoline 20-50 racing oil.=C2=A0 So far no problems, but we&#=
39;ll know for sure at the next tear down. <br> <br> Terry Smith, '59 T=
R3A <br> New Hampshire <br> <br> > On September 5, 2018 at 1:59 PM Randa=
ll < <a href=3D"mailto:tr3driver@ca.rr.com"; rel=3D"noopener" target=3D"_=
blank">tr3driver@ca.rr.com</a>> wrote: <br> > <br> > <br> > <br=
> > > I've been told that Valvoline Racing oil has zinc in it.=C2=
=A0 <br> > > It's odd that the newer cars don't require it.=
=C2=A0 In fact, why <br> > > is it important? <br> > <br> > Lot=
s of opinions, here are mine: <br> > <br> > In a nutshell, it helps p=
rotect critical surfaces (like cam lobes and <br> > lifters) in case the=
oil film breaks down (gets rubbed away by the relative <br> > motion of=
parts). <br> > <br> > The TR camshaft (along with many other perform=
ance cars) is actually pretty <br> > aggressive in terms of force develo=
ped between the camshaft lobe and lifter <br> > during high rpm engine o=
peration. <br> > <br> > Newer engines either use roller lifters (to e=
liminate the rubbing between <br> > lobe and lifter) or less aggressive =
camshafts (that are less likely to rub <br> > away the oil film). <br> &=
gt; <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 en=
gines do (even those not <br> > particularly high performance by today&#=
39;s standards); and it hardly seems <br> > worth taking a chance by usi=
ng a lower ZDDP oil.=C2=A0 (AFAIK, all modern motor <br> > oils still co=
ntain some ZDDP, they just have lower amounts.=C2=A0 The oil <br> > indu=
stry has been searching for a suitable substitute, but I haven't heard =
<br> > of them finding one yet.) <br> > <br> > -- Randall=C2=A0 <b=
r> > <br> > ** <a href=3D"mailto:triumphs@autox.team.net"; rel=3D"noop=
ener" target=3D"_blank">triumphs@autox.team.net</a> ** <br> > <br> > =
=3D"_blank">http://www.team.net/donate.<wbr>html</a> <br> > Archive: <a =
href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noopener" target=3D"=
_blank">http://www.team.net/pipermail/<wbr>triumphs</a>=C2=A0 <a href=3D"ht=
tp://www.team.net/archive" rel=3D"noopener" target=3D"_blank">http://www.te=
am.net/archive</a> <br> > <br> > Unsubscribe/Manage: <a href=3D"http:=
//autox.team.net/mailman/options/triumphs/terryrs@comcast.net" rel=3D"noope=
ner" target=3D"_blank">http://autox.team.net/mailman/<wbr>options/triumphs/=
terryrs@<wbr>comcast.net</a> <br></blockquote></div></div></blockquote></di=
v>
</blockquote></div></div>
<br>** <a href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</=
a> **<br>
<br>
et=3D"_blank">http://www.team.net/donate.<wbr>html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/triumphs"; rel=3D"noreferr=
er" target=3D"_blank">http://www.team.net/pipermail/<wbr>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>
hs/don.hiscock@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox=
.team.net/mailman/<wbr>options/triumphs/don.hiscock@<wbr>gmail.com</a><br>
<br></blockquote></div><br></div>
--0000000000007de91c0575727c82--
--===============7614533473818264423==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
--===============7614533473818264423==--
|