analyses
bs
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Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
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-------------- Original message ----------------------
From: Mark Andy <mark@sccaprepared.com>
> Howdy,
>
> On Wed, 22 Oct 2008, Bob Spidell wrote:
> > Ford recommends their 5W-20 semi-synthetic for my new Mustang--you think
> > 30W is thin!--and oil changes every 7,500 hundred miles regardless of
> > usage. I gave it a lot of thought and, since I drive mostly city miles,
> > decided to go to a 5,000 mile interval. And, I stuck with the
> > 5W-20--against my instincts, at first--when I found I can get it for
> > $2/qt at WalMart. Yes, the manufacturers need better CAFE numbers, but
> > new engines are built with such tight clearances a quality thinner oil
> > will be fine. I believe Ford's engineers know what they're doing--even
> > if their accountants don't ;)
>
> Everyone should make their own decision on this stuff, but you can get oil
> analysis done (what's the plural of analysis?) to tell you the condition
> of your oil. You can use that to determine if its ok to extend your
> change intervale.
>
> One place is blackstone: http://www.blackstone-labs.com/
>
> I've been happy with their service and the price is pretty reasonable to
> me.
>
> I routinely run >5k miles on conventional oil in our Chevy Venture and
> Toyota MR2 and >8k on synthetic in our Honda Civic. Oil analysis in each
> case at the end of a run made me feel fine with that.
>
> Mark
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