Subject: Re: [Fot] VR-1 Oil

From: "Randall" <[email-masked]>
Date: Sat, 20 Apr 2013 09:32:48 -0700

> VR-1 carries an API rating of "SN". This is the most current standard.

However, "SN" only limits phosphorous content for low viscosity oils, like
10W30 and down.  If you read the spec carefully, you'll find that VR1 only
carries "SN" in 20W50, which is exempt from the phosphorous (and hence ZDDP)
restriction.

-- Randall 
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