vacuum with blower

[Kevin Rutledge]

At 08:18 AM 5/5/97 -0500, you wrote:
>someone please tell me how a turbo/super-charged system
>gets vacuum for the vac-assisted brakes and other vac-
>operated accessories ?  Is the vacuum that is produced
>during idle and decel stored and used?  My knowledge
>of SC and TC systems is limited.
>
Every brake booster/servo i have ever seen has a check valve on it. It
stores vacuum from idle and decel.  Ever tried putting your foot on the
brake under boost?  If you pump the pedal, the power assist goes away.