> -----Original Message-----
> From: Gary Hedlin
>
> I've been using Mobil-1 5w30 in the 05 since I got it. Change it
> every 10,000 miles and so far haven't had any issues in 127,000 miles.
>
> But what I really want to know is this whole zinc thing for older
> engines. The 340 I'm going to install in the 98 has a flat tappet
> cam, and a number of people have told me I need an oil that has zinc
> in it. Mostly they recommend the Joe Gibbs Racing Oil. Not sure what
> zinc has to do with lubricating engines, but there's a lot I don't
> know.
>
> Anyone know how much of this is hype?
>
> Gary
It's not hype, Gary, just ask the guys at my track who found out the hard
way. You might also check the Hughes Engines site to read more about it.
http://www.hughesengines.com/TechArticles/camshafts_articles.php
Ray
http://www.dragtruk.com/ENTRIES/20KM1FD2KWBP.html
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