vaccum master cylinder

[quick85nat]

where is the best place on the motor to get vaccum from to run vaccum master cylinder,mine was teed off of the line that goes to the pcv valve,it worked like sHHHHHt

 

[jastrckl]

kirban and others sell a vacuum block that has an extra tap for a vacuum brake setup. Takes a much larger tap to get vacuum brakes to work and their block has it.