So, you're not sure if you're a jeep or an old ford? :-) Seriously,
though, I think you're pushing your luck a bit. 3000miles/ 3 years
is conservative and perhaps unnecessary. But 15K? I know you say
all your cars are running great, but that still doesn't make it a
good idea. As for the reformulation, the latest crop of motor oils
have removed or greatly reduced a component called ZDDP. There has
been much talk in classic car circles about this, and the possible
negative effect on "flat tappet" engines. If you have such a car, I
suggest you look at one the many articles on the subject. Here are a
couple of examples:
http://www.ttalk.info/Zddp.htm
http://www.hotrod.com/techarticles/engine/flat_tappet_cam_tech/index.html
Google on "ZDDP" and you'll find plenty more. If you do not have
such a car, then don't worry about it.
-Steve Trovato
strovato@optonline.net
At 01:02 PM 10/22/2008, Chip Mautz wrote:
>I'm a renegade, I guess - or maybe a maverick? :-)
>I don't subscribe to the change early and often mantra, I go usually
>10-15k/oil change in my vehicles.
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