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Author Topic: Hydro-Boost Brakes... How does this work ?  (Read 3188 times)
GKR
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« on: April 15, 2010, 07:55:46 PM »

Hope this is not a stupid question,  Undecided but Rob's recent thread has created interest in this for us here at Team GKR.

Could you guys please explain how this system works ?
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« Reply #1 on: April 15, 2010, 08:15:52 PM »

In a nutshell:

Hydroboost uses fluid pressure from the power steering to generate braking power instead of vacuum or in the case of the turbo regal, the dreaded powermaster.

IT is commonly used on 3/4 and 1 ton trucks, and a few passenger cars.

More plumbing, but it works....

http://www.google.com/search?sourceid=navclient&aq=1&oq=Hydroboo&ie=UTF-8&rlz=1T4HPIC_en___US236&q=hydroboost+brakes

Conversion info:

http://www.google.com/search?sourceid=navclient&aq=1&oq=hydroboost+brake+&ie=UTF-8&rlz=1T4HPIC_en___US236&q=hydroboost+brake+conversion
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nealysa
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« Reply #2 on: April 15, 2010, 08:16:56 PM »

http://www.hydratechbraking.com/Hydratech/tech.html
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DTA Racing
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« Reply #3 on: April 15, 2010, 08:59:36 PM »

In a nutshell:

Hydroboost uses fluid pressure from the power steering to generate braking power instead of vacuum.
IT is commonly used on 3/4 and 1 ton trucks, and a few passenger cars.


Yup, what he said ...

Doing a brake job on a truck with a hydro-boost is the same as other trucks.  Just that 1-ton trucks may have a full floating axles on the rear with a hub.
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black02-z28
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« Reply #4 on: April 15, 2010, 09:14:19 PM »

turbo motors have positive pressure instead of vacuum when accelerating (I know that is a given LOL). There is a one way valve on the brake booster, but still...I run vac brakes, I nailed it on kam highway, was at full boost and had a car pull out in front of me. had to STAND on it to get her stopped! Hydro boost always stops Smiley
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Chad89GT
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« Reply #5 on: April 16, 2010, 03:32:18 PM »

As mentioned, the advantage to hydro-boost is that there is braking assistance as long as there is pressure in the power steering system.  A great advantage to boosted street cars or vehicles with little/no intake manifold vacuum.  I'm not sure if there is a reservoir to store pressure in the case the engine dies.  shrug

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« Reply #6 on: April 16, 2010, 03:57:03 PM »

also its used when space is limited...in which a conventional vacuum assist cant fit...
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John
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« Reply #7 on: April 16, 2010, 06:19:41 PM »

As mentioned, the advantage to hydro-boost is that there is braking assistance as long as there is pressure in the power steering system.  A great advantage to boosted street cars or vehicles with little/no intake manifold vacuum.  I'm not sure if there is a reservoir to store pressure in the case the engine dies.  shrug




actually some has a electric motor for backup, just in case.  Majority of medium dutry trucks w/ hydro-boost, you could hear the backup electric motor come on when you press the brakes while the engine is off.
« Last Edit: April 16, 2010, 06:24:45 PM by John » Logged

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