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New oils, bad for old cars!!

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I think this "Hot Rod" article sums it up pretty well. This article is what I've been relying on to make decisions. Shawn has a valid point, this concern may be overblown for a typical Triumph pushrod engine with a stock or near stock camshaft. I experienced a cam failure (due to poor lifters I believe) about the time you couldn't buy any decent lifters so I'm probably a little on the cautious side since then.

Click here for the Hot Rod Article

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GM also supposedly has an oil additive that has the right stuff. My question is, is this only a concern for an engine during break in or well after that too?

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