If SG is the highest spec shown, it's got appropriate amount of zinc and
phosphorus for flat tappet motors. There may be other specialty
additives for that particular application (ATVs), but I understand
"motorcycle oils", specifically those NOT claiming to meet any
energy-saving API spec, are suitable for older engines.
-JohnD
Date: Tue, 1 Dec 2009 15:14:50 GMT
From: "Mark Haynes" <haynes386@netzero.net>
Subject: [Spridgets] Flat Tappet oil, New Rislone oil
To: spridgets@autox.team.net
Message-ID: <20091201.081450.24649.0@webmail01.dca.untd.com>
Content-Type: text/plain; charset=ISO-8859-1
Since the topic has come up again, I'll see what the list thinks. I was
looking at all of the oils specifications in Chuckleheads (Checkers) the
other week, and found that the 10w-40 oil for 4wheelers (ATVs) has an SG
spec, implying that it still has the (for us) needed amounts of ZDDP in
it. the price is commensurate with standard 10w-40 oils. Any inputs as
to its suitability? It sure would cost less than $100 a case.
Mark Haynes
HAN6L12779
HAN5L8016
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