Best Way To Pass Rank To Follow Up Article?

[Humanovation]

What is the best way to pass rank to a follow-up article?  For example, we write an article "Product A Rumors" that ends up ranking #1.  When Product A is released, we write an article called "Product A Review".  What is the best way to pass rank from the first pre-release article to the second  post-release article?  We don't want to do a simple 301 redirect as we want readers to be able to go back to the first article to see the progression of the Product A life-cycle.

Also, should we go back and edit the old article to add a link to the new?  Should we add a link in the new article to the old?

Thanks in advance

[TakeshiYoung]

I would go back and edit the old post and add a prominent link at the top linking to the new article. This will help the new article to rank better and give users an easy to get to the new article if they happen to land on the old one.

[Humanovation]

Excellent ... thanks for your suggestion.  I had been placing a link in the new article back to the old and all of my old articles outrank the new.  Should I remove the links to the old articles one I have placed links from the old to the new?

[Guest]

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