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Home » Public Forums » GMCnet » Re: [GMCnet] Higher the line pressure the better the braking power
Re: [GMCnet] Higher the line pressure the better the braking power [message #300720] Tue, 17 May 2016 17:32 Go to previous message
Tom Whitton   United States
Messages: 235
Registered: February 2004
Location: Paducah, KY
Karma:
Senior Member
One of our well-informed members developed the following and sent it to Bob Stone who asked me to post it here for him. (Bob doesn't use a computer)


"Master cylinder booster combinations and theoretical pressure"

1. Force available from vacuum booster Dave Lenzi panic stop 1,473 lbs.

2. Force available from Hydroboost 1.56" piston diameter and 1,350 PSI steering pressure 2,579

Vacuum Bob Stone
Booster Hydroboost

1.25" master cylinder 1,198 PSI 2,098 PSI

34 mm master cylinder 1,048 PSI 1,835 PSI

37 mm master cylinder 852 PSI 1,549 PSI

40 mm master cylinder 761 PSI 1,332 PSI


The Hydroboost force does not include additional force that can be applied by the pedal.

Vacuum boost force does include additional force that can be applied by the pedal.

Hydroboost conversion description here: http://appliedgmc.com/images/hydro.pdf

Please phone Bob Stone if you have questions: 618-964-9124

Thanks,

Tom Whitton
26 foot updated GMC
Paducah, KY
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