Moved to a new thread, as it was off-topic in the Revolutionary guide.

Rooting alone doesn't change anything, just gives you options to change things. It does make it easier to force apps to sd, but that isn't automatic. There are more powerful methods for gaining space though. Read the "root memory faq", which is linked in the All Things Root Guide sticky post, and this will tell you more about these options.

 

i got more space by using a custom hboot and a smaller rom