Well I fixed my problem w/o getting the vacuum pump. Turns out, as has been said numerous times on this site, the vacuum lines were backwards, even though the installed correctly per the markings on the vacuum relay. However, the reason I was asking about the vacuum pump was the covers wouldn't open. I took the vacuum relay off and found the seal in the relay had a portion of the lip seal turned, which would constantly bleed off the vacuum. With that corrected(and the hoses hooked up correctly) my 8" of vacuum magically open up the doors. Thanks for all the help.