Republishing Content from Blog to New Site. Impact?

Following the farmer update that targeted sites that reproduce the same content. I have a rather large trusted site and also a blog. On the blog there are original custom posts and I want to move some of these over to the big website…not for seo but for my visitors to this large site…WILL this be a problem? Will my large site be penailized? I don’t want to rank for this content just have it in another spot for the readers

You might want to use the canonical tag and that should make it relatively safe:
Official Google Webmaster Central Blog: Specify your canonical