hydroboost setup questions
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hydroboost setup questions
I picked up a hydroboost and master cylinder with lines and fittings for $20. My 93 currently does not have hydroboost obviously, so I want to know what else I need to run the setup. I also got all the hardware that mounts to the eyelet on the brake pedal just in case.
Postmaster
Joined: Jan 2010
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From: Elk City, OK
booster, master cylinder with the push rod, spring and star retainer between the two. you need 2 pressure lines, from pump to booster, then booster to box. then you need a low pressure return line from the top of the booster to the return on the pump. you SHOULD put a fluid cooler on that line before it goes to the pump. also, you need either a T so you can cut and splice the return line from your power steering box to the pump OR get a new power steering pump tank with the nipple on the neck thats built specifically for the hydroboost setup.
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the setup was off a 97 f-superduty. Also, I can ge the ps pump off the same truck but it has play in and out so im pretty sure its shot. Could I remove the plastic part with the filler neck off the pump or is it all one piece?
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
The tank should be able to swap out.
There is an O ring that seals the tank to the pump housing.
My pump was getting a little weak, so I went with a new pump when I did my conversion.
I also pumped a couple quarts of ATF through the system before I took it apart so any metal or crud would not get into the hydraboost unit.
That is the sytem I used, bolt on fit on my 86.
There is an O ring that seals the tank to the pump housing.
My pump was getting a little weak, so I went with a new pump when I did my conversion.
I also pumped a couple quarts of ATF through the system before I took it apart so any metal or crud would not get into the hydraboost unit.
That is the sytem I used, bolt on fit on my 86.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
The master cylinder that was on the 97 F Superduty had rear disc brakes.
I was afraid to use that master cylinder, to much fluid to the rear wheel cylinders.
My 86 cast iron master cylinder bolted right on.
The hydraboost bolted right on the firewall.
No widening holes on anything.
I bought new hoses from Ford, pump to hydraboost unit, hydraboost unit to steering gear pressure hose, and return from hydraboost to pump reservoir return on the reservoir neck.
They also bolted right on.
I left the return from the steering box to the pump hose in place and just hooked it up to the new pump return.
I was afraid to use that master cylinder, to much fluid to the rear wheel cylinders.
My 86 cast iron master cylinder bolted right on.
The hydraboost bolted right on the firewall.
No widening holes on anything.
I bought new hoses from Ford, pump to hydraboost unit, hydraboost unit to steering gear pressure hose, and return from hydraboost to pump reservoir return on the reservoir neck.
They also bolted right on.
I left the return from the steering box to the pump hose in place and just hooked it up to the new pump return.
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Postmaster
Joined: Jan 2010
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From: Elk City, OK
you have to widen the aluminum ones only. its just a matter of side loading a strong bit thats choked up as much as possible. they have those side cutter bits that chew it up pretty quick. or you can get a smaller aluminum bit for a die grinder. the steel ones gum up too quick when using it for aluminum ones
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Posting Guru
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From: Terre Haute, IN
It's a hydraulic brake booster. Instead of using vacuum to increase the power of the brakes it uses power steering fluid and the power steering pump.
The hydroboost unit is much more compact and many say the it greatly increases braking power.
The hydroboost unit is much more compact and many say the it greatly increases braking power.
Postmaster
Joined: Apr 2009
Posts: 4,086
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From: Malahat/Cowichan Valley
what would i go looking for at the JY, when i called and asked they guy thought i was from the states or something haha. Really though, he had no idea what i was talking about. Is there a good year or can someone scope one at a jy and send it to me? I think as long as we stay away from the FPO, there wont be any problems shipping. Both of my last shipments made it no problems. anyone have eyes on a setup?
Senior User
Joined: Sep 2010
Posts: 495
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From: Florida
Here i copied it from a thread a little while back i think this is all you need for the hydralic brake boost the part no are the ford part no.
$380.35 Hydra boost Ford E8TZ-2005-B
$56.57 Pressure from hydraboost to steering box, passenger side fitting Ford F4TZ-3A714-A
$33.64 Pressure from PS pump to hydraboost, drivers side fitting Ford F4TZ-3A717-A
$20.90 Return line from hydraboost to PS pump, drivers side nipple Ford E8TZ-3A713-B
$380.35 Hydra boost Ford E8TZ-2005-B
$56.57 Pressure from hydraboost to steering box, passenger side fitting Ford F4TZ-3A714-A
$33.64 Pressure from PS pump to hydraboost, drivers side fitting Ford F4TZ-3A717-A
$20.90 Return line from hydraboost to PS pump, drivers side nipple Ford E8TZ-3A713-B
Post Fiend
Joined: Nov 2003
Posts: 21,285
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From: Nutter Fort, WV
The ones on the F superduty (450) from 83 to 97 bolt right on.
The ones for the 99 and up Super Duty take some modifications and you will also have some hose issues since they seem to use different fittings on the ends.
Those prices are what I paid at Ford, probably 7 or 8 years ago, and the parts numbers were for a 96 F-superduty when we looked them up on the computer.
The ones for the 99 and up Super Duty take some modifications and you will also have some hose issues since they seem to use different fittings on the ends.
Those prices are what I paid at Ford, probably 7 or 8 years ago, and the parts numbers were for a 96 F-superduty when we looked them up on the computer.