If I undersand your question, I believe it would be a good idea to put equal value resistors across each of the caps to make sure the voltage is equally balanced across both caps (and to serve as bleeders).
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Oh drat, my ascii art screwed up.. Anyway, there is a good discussion about the need for balancing resistors here:
http://www.nmr.mgh.harvard.edu/~reese/electrolytics/ about half way down the page.
Paul