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Discussion Starter #1
We have a bracket car that still has a power brake booster on it. 350 sbc with a turbo 350. It runs 7.50s in the 1/8th.
My question is do you think releasing the brakes with a power brake booster slows down the reaction time vs a car with manual brakes?
 

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I can't really see how either one would make a difference. With the master releasing, there is such minimal pressure at the wheels the drivetrain should be able to over come any residual brake pressure pretty easily. What COULD be an issue is how hard you need to stand on the brakes to hold the car. I don't know how well your power brakes work with the cam you have, but it could be easier staging with the manual brakes.
 

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Discussion Starter #3
It has a pretty mild cam, plenty of vacuum available. Foot braking to about
1800 on the line, standing on it pretty hard. Just thinking about how fast the brake pressure assisted by the booster releases. I’m not sure but, 10 or 20 thousands of delay in the release would be huge. We have a lot of data on the car, I may convert it to manual brakes just to satisfy my own curiosity
 
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