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I agree with Bob and think this is a perfect example of what happens to
flat tappet cams without adequate zddp levels.
In 2007 before the effects of lower zddp levels in oil were well known I
lost a brand new race cam in my MGA-powered Courier in one weekend.
Best--Michael Oritt
On Tue, Apr 28, 2020 at 7:31 AM Tom Felts <tomfelts@windstream.net> wrote:
> Val VR1 20/50 racing oil--"High Zinc". Been using in it my Healey and XK=
E
> for a long time.
>
>
> ----- Original Message -----
> From: Michael MacLean <rrengineer.mike@att.net>
> To: Wayne Schultz <waschu2@gmail.com>, healeys@autox.team.net, Perry <
> healeyguy@aol.com>
> Sent: Tue, 28 Apr 2020 01:05:32 -0400 (EDT)
> Subject: Re: [Healeys] Oil Additives
>
> You can get "Mobil 1 V-Twin 20W-50" for Harley Davidson type motorcycles
> in a pinch. It contains the ZDDP required for our cars. If you want
> conventional oil I have used Kendall GT-1 Competition 20W-50 in my Healey=
s
> and MGB for years. All the ZDDP you need plus other additives to protect
> your followers and camshaft at shutdown. You can get the Kendall oil at
> Pacific Northwest or Amazon or directly from Kendall. Search around the
> internet for the best price. You can find it for half the price of the
> Mobil 1 V-Twin synthetic oil.
>
> British Parts Northwest Kendall GT-1 High Performance 20W-50 Oil
> <https://www.bpnorthwest.com/kendall-gt-1-high-performance-20w-50-oil.htm=
l>
>
> British Parts Northwest Kendall GT-1 High Performance 20W-50 Oil
>
> The correct motor oil is getting harder and hard to find for your Classic
> British car. Don't believe that the o...
>
> Mike MacLean
>
>
>
> On Monday, April 27, 2020, 6:53:28 PM PDT, Perry via Healeys <
> healeys@autox.team.net> wrote:
>
>
> Listers / Wayne
>
> I was thinking about the way the cam lobes are lubricated in the original
> configuration ( stock parts). Please chime in if this is way off.
>
> It would seem most of the lubrication comes from the steady drip that
> comes out at the rocker and runs down the pushrod. First the tappets
> (lifters) get some oil, then passes by the lifter and then on to the cam
> lobe.
>
> The oil dripping from the rocker shaft bushings drips onto the top of the
> head and drops through the pushrod holes to the lifter gallery. On some
> worn out engines this is a flood instead of a drip. Then you have the oil
> fog that is in the crank case/oil pan area when the engine is running due
> to the squirt of oil coming out of the piston rods big ends. The intent w=
as
> to oil down the piston bores but coats pretty much everything.
>
> The bucket lifters, which by the way was an old hot rod trick from the
> early days of Austin Healeys, using lighter weight lifters out of a
> straight eight Oldsmobile (if I remember correctly) and longer pushrods m=
ay
> or may not be drilled to allow oil to the cam lobe/lifter face. Some guys
> used pressurized oil to squirt the interface when the bucket was not
> drilled. The bucket lifters sold years ago that did not have a hole in th=
e
> lifters had failure problems. A hole was added but the problem with the
> drilled hole in the bucket it could clog and there was little to no
> lubrication of the cam lobes, thus major wear.
>
> I=E2=80=99m not suggesting that the can lobe failure was caused by a plug=
ged hole
> in the lifter since I did not work on this engine. But it is a possibilit=
y.
>
> Perry
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for
> Windows 10
>
>
>
> *From: *Wayne Schultz <waschu2@gmail.com>
> *Sent: *Monday, April 27, 2020 4:49 PM
> *To: *healeys@autox.team.net
> *Subject: *[Healeys] Oil Additives
>
>
>
> Hello everyone, I recently completed a rebuild of the engine in my Healey
> 3000. At 48K miles i noticed metal during an oil change. I dropped my oil
> pan and found even more metal and a silver ring in the block that lined u=
p
> with a cam lobe. I had been using Mobil 1 for years and always had good o=
il
> pressure and a very quiet motor. I pulled the motor and upon teardown I
> found one bad cam lobe and several lifters that had mild pitting. I
> thought about how I used my car and came to conclusion I, rather than th=
e
> oil might be the reason for the cam failure. I drove my car every coupl=
e
> of weeks in nice weather. This is just enough time for the oil to leave t=
he
> cam and lifters to drain into the pan. This meant the next time I started
> the engine the cam and lifters might have been metal on metal. My new
> lifters are short bucket lifters with a drain hole to lubricate the cam
> lobes. Now using VR-1 20/50
>
>
>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/rrengineer.mike@att.net
>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/michael.oritt@gmail.com
>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">I agr=
ee with Bob and think this is a perfect=C2=A0example of what happens to fla=
t tappet cams without adequate zddp levels.</div><div class=3D"gmail_defaul=
t" style=3D"color:#3333ff">In 2007 before the effects of lower zddp levels =
in oil were well known I lost=C2=A0a brand new race cam in my MGA-powered C=
ourier in one weekend.</div><div class=3D"gmail_default" style=3D"color:#33=
33ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">Best--=
Michael Oritt</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br=
></div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div></div=
><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tu=
e, Apr 28, 2020 at 7:31 AM Tom Felts <<a href=3D"mailto:tomfelts@windstr=
eam.net" target=3D"_blank">tomfelts@windstream.net</a>> wrote:<br></div>=
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex"><div><div>Val VR1 20/50 r=
acing oil--"High Zinc".=C2=A0 Been using in it my Healey and XKE =
for a long time.</div><div><br></div><div><br></div><div>----- Original Mes=
sage -----<br>From: Michael MacLean <<a href=3D"mailto:rrengineer.mike@a=
tt.net" target=3D"_blank">rrengineer.mike@att.net</a>><br>To: Wayne Schu=
ltz <<a href=3D"mailto:waschu2@gmail.com"; target=3D"_blank">waschu2@gmai=
l.com</a>>, <a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">=
healeys@autox.team.net</a>, Perry <<a href=3D"mailto:healeyguy@aol.com"; =
target=3D"_blank">healeyguy@aol.com</a>><br>Sent: Tue, 28 Apr 2020 01:05=
:32 -0400 (EDT)<br>Subject: Re: [Healeys] Oil Additives<br></div><div><br><=
/div><div style=3D"font-family:"times new roman","new york&q=
uot;,times,serif;font-size:16px"><div dir=3D"ltr">You can get "Mobil 1=
V-Twin 20W-50" for Harley Davidson type motorcycles in a pinch.=C2=A0=
It contains the ZDDP required for our cars.=C2=A0 If you want conventional=
oil I have used Kendall GT-1 Competition 20W-50 in my Healeys and MGB for =
years.=C2=A0 All the ZDDP you need plus other additives to protect your fol=
lowers and camshaft at shutdown.=C2=A0 You can get the Kendall oil at Pacif=
ic Northwest or Amazon or directly from Kendall.=C2=A0 Search around the in=
ternet for the best price.=C2=A0 You can find it for half the price of the =
Mobil 1 V-Twin synthetic oil.<br></div><div dir=3D"ltr"><br></div><div dir=
=3D"ltr"><a href=3D"https://www.bpnorthwest.com/kendall-gt-1-high-performan=
ce-20w-50-oil.html" rel=3D"nofollow" target=3D"_blank">British Parts Northw=
est Kendall GT-1 High Performance 20W-50 Oil</a></div><div><br></div><div i=
d=3D"gmail-m_156899261322787454gmail-m_-616499678377597361ydp84c9e869enhanc=
r_card_8594183770" style=3D"max-width:400px;font-family:YahooSans,"Hel=
vetica Neue","Segoe UI",Helvetica,Arial,sans-serif"><table s=
tyle=3D"max-width:400px" cellspacing=3D"0" cellpadding=3D"0" border=3D"0"><=
tbody><tr><td width=3D"400"><table style=3D"max-width:400px;border-radius:2=
px;border:1px solid rgb(224,228,233)" width=3D"100%" cellspacing=3D"0" cell=
padding=3D"0" border=3D"0"><tbody><tr><td><table style=3D"background-color:=
rgb(255,255,255);background-repeat:repeat;background-image:none;background-=
size:auto;width:100%;max-width:400px;border-radius:0px 0px 2px 2px;border-t=
op:1px solid rgb(224,228,233)" cellspacing=3D"0" cellpadding=3D"0" border=
=3D"0"><tbody><tr><td style=3D"background-color:rgb(255,255,255);padding:16=
px 0px 16px 12px;vertical-align:top;border-radius:0px 0px 0px 2px"></td><td=
style=3D"vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-=
family:YahooSans,"Helvetica Neue","Segoe UI",Helvetica,=
Arial,sans-serif;border-radius:0px 0px 2px"><h2 style=3D"font-size:14px;lin=
e-height:19px;margin:0px 0px 6px;font-family:YahooSans,"Helvetica Neue=
","Segoe UI",Helvetica,Arial,sans-serif;color:rgb(38,40,42);=
max-width:314px">British Parts Northwest Kendall GT-1 High Performance 20W-=
50 Oil</h2><p style=3D"font-size:12px;line-height:16px;margin:0px;color:rgb=
(151,155,167)">The correct motor oil is getting harder and hard to find for=
your Classic British car. Don't believe that the o...</p></td></tr></t=
body></table></td></tr></tbody></table></td></tr></tbody></table></div></di=
v><div style=3D"font-family:"times new roman","new york"=
;,times,serif;font-size:16px"><div><br></div><div dir=3D"ltr">Mike MacLean<=
br></div><div><br></div><div><br></div></div><div id=3D"gmail-m_15689926132=
2787454gmail-m_-616499678377597361yahoo_quoted_8172872484"><div style=3D"fo=
nt-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:1=
3px;color:rgb(38,40,42)"><div><br> On Monday, April 27, 2020, 6:53:28 PM PD=
T, Perry via Healeys <<a href=3D"mailto:healeys@autox.team.net"; target=
=3D"_blank">healeys@autox.team.net</a>> wrote:<br></div><div><br></div><=
div><br></div><div><div id=3D"gmail-m_156899261322787454gmail-m_-6164996783=
77597361yiv5086684710"><div><div><p>Listers / Wayne</p><p>I was thinking ab=
out the way the cam lobes are lubricated in the original configuration ( st=
ock parts). Please chime in if this is way off.</p><p>It would seem most of=
the lubrication comes from the steady drip that comes out at the rocker an=
d runs down the pushrod. First the tappets (lifters) get some oil, then pas=
ses by the lifter and then on to the cam lobe.</p><p>The oil dripping from =
the rocker shaft bushings drips onto the top of the head and drops through =
the pushrod holes to the lifter gallery. On some worn out engines this is a=
flood instead of a drip. Then you have the oil fog that is in the crank ca=
se/oil pan area when the engine is running due to the squirt of oil coming =
out of the piston rods big ends. The intent was to oil down the piston bore=
s but coats pretty much everything.</p><p>The bucket lifters, which by the =
way was an old hot rod trick from the early days of Austin Healeys, using l=
ighter weight lifters out of a straight eight Oldsmobile (if I remember cor=
rectly) and longer pushrods may or may not be drilled to allow oil to the c=
am lobe/lifter face. Some guys used pressurized oil to squirt the interface=
when the bucket was not drilled. The bucket lifters sold years ago that di=
d not have a hole in the lifters had failure problems. A hole was added but=
the problem with the drilled hole in the bucket it could clog and there wa=
s little to no lubrication of the cam lobes, thus major wear. =C2=A0</p><p>=
I=E2=80=99m not suggesting that the can lobe failure was caused by a plugge=
d hole in the lifter since I did not work on this engine. But it is a possi=
bility.</p><p>Perry</p><p>=C2=A0</p><p>Sent from <a rel=3D"nofollow" shape=
=3D"rect" href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986"; target=
=3D"_blank">Mail</a> for Windows 10</p><p>=C2=A0</p><div id=3D"gmail-m_1568=
99261322787454gmail-m_-616499678377597361yiv5086684710yqt95949"><div style=
=3D"border-right:none;border-bottom:none;border-left:none;border-top:1pt so=
lid rgb(225,225,225);padding:3pt 0in 0in"><p style=3D"border:none;padding:0=
in"><b>From: </b><a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:waschu2@=
gmail.com" target=3D"_blank">Wayne Schultz</a><br clear=3D"none"><b>Sent: <=
/b>Monday, April 27, 2020 4:49 PM<br clear=3D"none"><b>To: </b><a rel=3D"no=
follow" shape=3D"rect" href=3D"mailto:healeys@autox.team.net"; target=3D"_bl=
ank">healeys@autox.team.net</a><br clear=3D"none"><b>Subject: </b>[Healeys]=
Oil Additives</p></div><p>=C2=A0</p><div><p>Hello everyone, I recently com=
pleted=C2=A0a rebuild of the engine in my Healey 3000. At 48K miles i notic=
ed metal during an oil change. I dropped my oil pan and found even more met=
al and a silver ring in the block that lined up with a cam lobe. I had been=
using Mobil 1 for years and always had good oil pressure and a very quiet =
motor.=C2=A0 I pulled the motor and upon teardown I found one bad cam lobe =
and several lifters that had mild pitting.=C2=A0 I thought about how I used=
my car and came to conclusion=C2=A0 I, rather than the oil might=C2=A0be=
=C2=A0the=C2=A0 reason for the cam failure.=C2=A0 I drove my car every coup=
le of weeks in nice weather. This is just enough time for the oil to leave =
the cam and lifters to drain into the pan. This meant the next time I start=
ed the engine the cam and lifters=C2=A0might have been metal on metal.=C2=
=A0 My new lifters are short bucket lifters with a drain hole to lubricate=
=C2=A0the cam lobes. Now using VR-1 20/50</p></div></div><p>=C2=A0</p><p>=
=C2=A0</p></div></div></div><div id=3D"gmail-m_156899261322787454gmail-m_-6=
16499678377597361yqt83150">_______________________________________________<=
br clear=3D"none">Support Team.Net <a shape=3D"rect" href=3D"http://www.tea=
m.net/donate.html" target=3D"_blank">http://www.team.net/donate.html</a><br=
clear=3D"none">Suggested annual donation=C2=A0 $12.75<br clear=3D"none"><b=
r clear=3D"none">Archive: <a shape=3D"rect" href=3D"http://www.team.net/pip=
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>http://autox.team.net/archive</a><br clear=3D"none"><br clear=3D"none"><a =
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br clear=3D"none"></div></div></div></div><div><br></div></div>____________=
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</blockquote></div>
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