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Thread: Vacuum Booster Question
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02-11-2013 #1
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- Aug 2004
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- Austin, in the great Nation of Texas
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Vacuum Booster Question
Trying to trouble shoot the Baer 4 wheel disc setup on my newly (or nearly) finished '68 Camaro. Brakes are bled, lines are solid, yet brake pedal goes almost to the floor and require a LOT of pedal pressure to stop the car. With vacuum line disconnected, pedal is high and hard, but I've not driven the car that way. Don't know the bore but the master cylinder is the one supplied by Baer for this system, so I'm assuming it's correct for the 2 piston PBR calipers. Booster is a 9" single diaphragm.
So here's my question - how much engine vacuum is required for the booster to work effectively?
What else should I be looking at?
Thanks!
John
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