My #1 site was hit by Penguin, #2 was not. Both are built on the same platform (Open Realty) and I have an idea which I would be grateful for opinions on.
Basically what I am considering is swapping the contents over between the two sites. #2 site is ranking quite well for most of the keywords that I was aiming it with #1 site (and which prior to Penguin were mostly on the first page of a Google search) without my trying very hard.
The difference between them is that #1 features all the real estate we have for sale whereas #2 is all about only those which we have built ourselves. So they both have similar information pages and I wouldn't need to rename them, and in fact could leave some of them as they are.
In the main it would mean deleting some from #1 and adding them to #2, and likewise with the property listings.
For the home pages, I would swap the main content but leave everything else the same.
I don't plan on doing any 301 redirecting because I don't want to tansfer any possible problems from bad links from #1 to #2.
#1 is PR4 home page with PR2 and PR1 inner pages, #2 is PR3 home page and PR2 inner pages so I don't really have any "link juice issues". The pages and property listings I migrate from #1 to #2 are going to be "new content" so that should help further with SERP.
I'm not concerned about exisitng clients being confused because I can simply email them, and in the main the sites are for potential new clients anyway.
There is no issue over the domain names, because both are relevant to the contents of both sites. There is the added advantage that site #2 is a .co.uk (#1 is .com) and the UK is my main geographic target.
So far I can only see possible benefits, and what I need please is some realism and fault finding with my plan.