Quote Originally Posted by 270wsm View Post
How much faster would vacuum go if I changed my 3/8 vacuum port on my pump to 1/2" and used a 1/2 tee instead if 3/8 and ordered my Appion 1/2" hoses with 1/2 connection instead of the standard 3/8" connection???
The only realistic answer is the the evacuation time wold decrease "noticeably". The variables are just too numerous to give a pat answer.