Starting to sound like the unleaded gas controversy; no one knew at
first and assumed the worst, but it ended up not being as much a problem
as originally thought.
My take: use SL oil and/or a ZDDP additive until the results are
conclusive, which will probably take a few years.
bs
BJ8 Healeys wrote:
> I've only scanned over the Healey Marque article briefly, but my impression
>of
> its conclusion is that modern oils are fine for our engines as is because oil
> technology has replaced the ZDDP anti-wear additive with something just as
>good.
> It mentioned a flat-tappet Nissan engine used in testing that did just fine
>on
> the current oil formulations. That would seem to refute earlier claims on
>the
> list that old cams were destroyed quickly by using the modern oil without
> ZDDP.
> I don't believe I've ever seen an issue on the list where the more
>information we have on the subject, the more confusing it becomes.
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
>
***************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
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