Thanks hydrashocker, I was hoping you would read this post. Im definately going to replace the PCV valve and check the hoses. I know I do have a vacume leak. The pcv could be causing this. And after reading your thread I think chances are pretty good that is my problem. I also want to install a mech. gauge as well, is this something I can do my self or does it need done by a pro? Also can I make it work with my stock gauge so I can have both? Any guides or anything on how to do this?