I bought a 1971 issue of none other than Boy's Life magazine on eBay. It's their 'Porsche' issue!? Anyway, on the cover is a 906 with Gulf livery that I don't remember seeing previously. There's also a 911S with Gulf & Westclox livery - appears to be very dark blue (or black) with orange. All the photos seem to be from Sebring 1971.

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The article is actually pretty good even though it is written for kids.