Make sure all your emission vacuum lines (T-Fitting) are hooked up properly. If they aren't the engine can pressurize and leak a lot more than it would normally.
heres the family picture. (killed me not to put a shitload of !!!!!'s at the end of that sentence, but i'm trying to break that habit)
theyre stayin' benny babes!! wifey needs them to get in when we go for a wine tasting, opera, night in boston, etc.