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In my first seomoz test I have many tilte pages for products that are over 70 charachers long.

The part #'s are long like 10-782-10-10-10-PPxxxx etc.

All these part #'s are not my key products and I could delete or truncate.   My question is if the part numbers are not that important,  is it OK to leave them as is or is ranking being damaged because they exist?

Both another consultant and my first seomoz test stated that I have two websites and that confuses the spiders. .  One is www.mystore.com ( example) and the other is mystore.com.   Yahoo states that's how they role and I can not delete one.  I can do a 301 redirect and redirect one site to the other but they do not have a recommendaation as to which one to redicrect.

Which one should I redirrect?