<html><body>Agree-STOCK UP ON OIL! I'm set for a few years with the 20-50 but the store I purchased it from was having a closeout sale. Best clue to zinc rich oils is the SAE label on the bottle. S<b>N</b>=NO ZINC. (not literally) But oils with SL or lower ratings do contain zinc..the lower the SAE series the more the zinc. <div><br></div><div>If you find some old oil, its good. Modern day zinc oils come from Moss or Joe Gibbs costing $10/qt. or more. Early VR-1 had lots of zinc but later ones have reduced the content. Someone on the list has a chart of all this with values-discussed many times over the years. <div><br></div><div>It would be good to hear back from those folks using synthetics to see what leak issues they have/or not- as Gary notes. I use Permatex, Hylomar, etc. and still see some "seepage", especially when a car sits out the pandemic. Hank<br><br><div class="reply-new-signature"></div><p>-----------------------------------------</p>From: "Bob Spidell via Healeys" <healeys@autox.team.net><br>To: "healeys@autox.team.net", "ryan@jimryan.com"<br>Cc: <br>Sent: Monday March 21 2022 9:07:35AM<br>Subject: Re: [Healeys] Oil grade for 100 Le Mans<br><br>
Oh boy! Another oil thread!<br><br>
Now that synthetic is no more expensive than mineral oil, in some
cases cheaper:<br><br><a class="moz-txt-link-freetext" href="https://www.costco.com/kirkland-signature-5w-30-full-synthetic-motor-oil-5-quart%2C-4-pack.product.100690432.html">
</a><a href="https://www.costco.com/kirkland-signature-5w-30-full-synthetic-motor-oil-5-quart%2C-4-pack.product.100690432.html">https://www.costcocom/kirkland-signature-5w-30-full-synthetic-motor-oil-5-quart%2c-4-packproduct.100690432.html</a><br><br>
... I use it in my more modern cars and newer lawn/farm appliances.
The tractors and the '46 Chevy truck get mineral 10W-40, just
because full-syn 10W-40 isn't common and, well, that's what my dad
always put in them. However, until <i>proven</i> otherwise I think
flat-tappet engines need ZDDP (although some claim syns work as
good or better to protect cam lobes--I'm not convinced). From what
I've seen and read, ZDDP is verboten in lower-vis oils, because
they're what's spec'd in newer cars with catalytic converters. Only
20W-50 is claimed to have 'sufficient ZDDP for flat-tappet
engines;' Valvoline VR-1 even says it on the label. A few years
ago. VR-1 suddenly disappeared from parts store shelves with no
explanation given, then reappeared a couple years later. I'm no
longer able to buy VR-1 online, but a local Autozone still has some
on the shelf so I stocked up. I think, with 9 filters and enough
oil for 9 changes with top-ups I've got a near-lifetime supply. My
guess is California will ban it outright at some point and, my
rule-of-thumb is: "If California banned/is banning it it must be
good" (see: 3M adhesive remover, Floway, mineral spirits, effective
engine cleaners/degreasers, etc.).<br><br>
Bob<br><br><div class="moz-cite-prefix">On 3/21/2022 7:06 AM, <a class="moz-txt-link-abbreviated">warthodson@aol.com</a> wrote:<br></div>
<blockquote>
<div style="color:#000000;font:12pt 'Comic Sans MS', sans-serif;">This
seems to be a common opinion that unfortunately is not based on
science. I use synthetic oils of the correct viscosity & I do not
experience leaks. A well build engine & transmission/overdrive do
not have to leak. Sealants need to be applied to clean dry
surfaces.
<div>Gary Hodson<br><br><br><div style="font-family:arial, helvetica;font-size:10pt;color:#000000;">
<font size="2">-----Original Message-----<br>
From: Douglas Barker via Healeys <a class="moz-txt-link-rfc2396E"><healeys@autox.team.net></a><br>
To: Jim Ryan <a class="moz-txt-link-rfc2396E"><ryan@jimryan.com></a>; Bob Spidell
<a class="moz-txt-link-rfc2396E"><bspidell@comcast.net></a><br>
Cc: <a class="moz-txt-link-abbreviated">healeys@autox.team.net</a>
<a class="moz-txt-link-rfc2396E"><healeys@autox.team.net></a><br>
Sent: Mon, Mar 21, 2022 8:37 am<br>
Subject: Re: [Healeys] Oil grade for 100 Le Mans<br><br></font>
<div>
<div>
<div><font size="2">In my humble expérience the synthetic always
leasing more</font></div>
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<div><font size="2">Get <a href="https://aka.ms/AAb9ysg">Outlook for Android</a></font></div>
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