Originally Posted by TJP
Originally Posted by cudaman1969
Originally Posted by Andrewh
sure a vacuum pump if you have one.
you have to apply vacuum to it to test.

IF I could get a long hose up to DC.. plenty of vacuum up there.


up
i have pulled a vacuum on more than one booster with a hand held vacuum pump. really doesn't take that long wink

I have a mighty vac, I’ll give it a try