Freeing rusty bolts - LA-CO rust buster?

[RM75]

I'm about to replace all my Tuscans suspension bushes and thought this product might be helpful if some of the bolts are seized. Has anyone used it, or any other recommendations?

http://www.oilybits.com/lubricants/la-co-rust-bust...

[RM75]

Thanks everyone. Have ordered some of the rust buster stuff. Am hoping that this, and plenty of patience will get the job done!