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[Healeys] synthetic oil

Subject: [Healeys] synthetic oil
From: coudesluijs at chello.nl (Oudesluys)
Date: Mon, 16 Jan 2012 07:44:35 +0100
References: <CACPMnYqKKXGn3un3Nt1PxLaapG4FXY9L3do1vuzuR7tAh4TzoQ@mail.gmail.com>
Ira,
It is the 50 that counts for the viscosity.
I would advise against synthetic oils though in our classic cars.  The 
so dreaded lower zinc contents may be an issue although I never 
encountered of trouble on this side of the pond with that. but also you 
may encounter problems with seals and gaskets causing leakages. Good old 
20W50 mineral oil changed every year has served us well for decades so 
better stick with it as long as it is available.
Kees Oudesluijs
NL



Op 16-1-2012 3:22, I Erbs schreef:
> Sorry to go over this again but.....
> I did not see this in the archive
> Napa has 15/50 synthetic on sale for $3.47 a qrt.
> I use 20/50 Castrol race now, but want to shift to synthetic due to
> lubricating qualities.
> I cannot find any syn oil above 15 weight.
> Thanks

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