boost gauge

I tapped the Brake booster for my vacuum source and ran a line to a Golden Eagle vacuum manifold. I tapped it on the intake side of the check valve that is located near the brake booster in the hose. I am getting good vacuum on my gauge, 19 -20 at idle. It moves around normally when driving...

Question about Boost Guage hey peeps.. just upgraded to Stage III of the SDS now.. since i am in the "learning mode" drive style now.. i am putting a lot of boost at all.. may be 2psi or 3.. and thats it.. till i hit the 1k miles mark my question is lets say i am driving on the freeway, RPM...

Where exactly do you have to T-off the hose from?