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Re: [Shop-talk] Synth and conventional oil question (Time sensitive ques

To: shop-talk@autox.team.net
Subject: Re: [Shop-talk] Synth and conventional oil question (Time sensitive question) and *free beer (or coffee)
From: Bob Spidell via Shop-talk <shop-talk@autox.team.net>
Date: Fri, 30 Aug 2019 21:31:36 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <OF0A7E51A9.04536A0E-ON85258467.00007480-85258467.00019FEC@mail.megageek.com> <000f01d55f97$67f99d10$37ecd730$@GMail.com>
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re: '"Synthetic Blend" is a nebulous term for an undefined proportion of 
conventional motor oil and synthetic motor oil"

Not only that, but some 'pure synthetics' are really just highly-refined 
dino oil:

https://en.wikipedia.org/wiki/Synthetic_oil


On 8/30/2019 5:59 PM, Karl Vacek via Shop-talk wrote:
> Since you want the protection the factory recommends as a minimum, I'd use
> full synthetic.
>
> "Synthetic Blend" is a nebulous term for an undefined proportion of
> conventional motor oil and synthetic motor oil.  Various brands use various
> mixes, but all that I've ever been able to find out in terms of proportions
> is that it's usually only a small proportion of synthetic oil in most,
> probably not exceeding 20%.  Years ago I used Valvoline Synthetic blend, but
> it was expensive.  Once I learned that their blend was no more than 20%
> synthetic, I began to use 2 quarts synthetic to 3 quarts conventional at
> every oil change.  It was cheaper than buying the blend, and I got twice as
> much synthetic in the mix.
>
> Since then synthetic oil prices have dropped significantly and conventional
> oil prices have risen.  I've run nothing but Mobil One in all of my street
> cars for years with no downside other than a little extra cost.
>
> Karl
>
>
>

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