I finally got my car on the road, two years after I bought it. I changed my oil, which had been in there since my break in and dyno session last fall. It was Rotella and a bottle of crane super breakin lube. Is it a good idea to run a supplement in the oil for a while, or always? It's a solid lifter cam with a 130lbs on the seat and maybe 340lbs open. If yes, what's a good zinc supplement to add?

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Joel
1970 Torino Cobra 429SCJ/4sp 4.30 Locker
472ci - 480HP\518LB-FT installed
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I use the Comp Cams zinc additive in every change. It is a good idea, especially with a solid cam.