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Re: Assisted brake item
#11
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PackardV8
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Need to find out if the system has residual pressure valve already built in to it for 4 wheel drum applications.

Posted on: 2012/10/27 10:28
VAPOR LOCK demystified: See paragraph SEVEN of PMCC documentaion as listed in post #11 of the following thread:f
https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=7245
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Re: Assisted brake item
#12
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Phil Randolph
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Quote:

PackardV8 wrote:
Wait a minute. I think i figured out how that ecihotrod system works:

Probably works like a two stage hydraulic jack. A fast low pressure circuit with slow high pressure circuit.

One piston piston moves the brake shoes real fast out against the drum until a cetain amount of pressure obtains. Then the sudden increase of resistence pressure causes a shuttle valve open to a much smaller piston allowing less foot pressure to create greater pressure in the line but over much less travel because the lost motion between shoes and drum has already been taken up by the fast circuit..

Just like a two stage hydraulic jack works.

Yes it does use the "quick takeup" Chevy M/C

Posted on: 2012/10/27 11:05
1938 1601 Club Coupe
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Re: Assisted brake item
#13
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Mike T
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Has anyone found out more info on this product?

Here's what i found in the HAMB

http://www.jalopyjournal.com/forum/showthread.php?t=733172

Posted on: 2013/4/25 8:30
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