i have a problem with brake servo assist on trackday car running throttle bodies, as in lack of continuious vacuum.
Question is how do brake servo vacuum work on turbo charged cars like RS turbo's??

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Will

The RST runs a vac take off in the same way a zetec does even though its turbocharged it does still generate a vacuum...the only things i can suggest is a take off from each runner and and run it into the pipe that connects to the servo to generate a bit more vacuum. alternatively you can get electric vacuum pumps for running servos, its mainly a hot rod thing because of either space constraints or wanting an un cluttered bulkhead. its worth a look tho, edit: there is also the option of using something like a VW/Saab/ etc vacuum central locking pump. if you need an electrical trigger you could use the brake light signal....just a thought.

one way valve isnt playing about is it?

HTH
Jam.