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Old Jul 10, 2008 | 01:03 AM
  #1  
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Hydroboost help

I am putting a late 80 chev hydroboost from a 1 ton in my 78 f 250 and have some questions.

#1 On the hydroboost theres a port for some sort of a return line or something. Can I T that in to the return line to the pump?

#2 Can I run my stock pump or is the pressure/volume not high enough?

#3 What would be the best/easy pump to use. I running the 400m

Thanks for the help
 
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Old Jul 10, 2008 | 10:39 AM
  #2  
F250army45d's Avatar
F250army45d
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From: dallastown pa
Don't put CHEVY garbage in a FORD this is the best advice I can give you.
Ok so why you want the CHEVY brake booster?
I think the pump and brackets can be bought from Bronco Grave Yard. That is the type of pump for the set up you want.
Saginaw Power Steering Pump Option
 
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Old Jul 10, 2008 | 11:43 AM
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Your hydroboost upgrade is a great upgrade, and your braking system will be very gratefull with the major pressure that you can now provide. You will be upwards of 1500 to 200 PSI.
Anyway, the two lines will include the pressure linem and the return. Pretty easy to identify, as the ports are different sizes, and have different fittings.
You will want to grab the plunger rod, retainer and spring from the donor vehicle. For some odd reason GM does not have these available, and there were a veriety of styles over the years, and finding the correct one is going to be real tough, so get the correct one from the donor vehicle, and save some headaches.
As far as your pump demands, you should at this time also upgrade to a higher output, and more desireable Saginaw pump. These will meet the extra demand of the power steering and hydro boost combined when used together.
Many lincolns and vans had the saginaw pump and brackets can be bought or made.
You desire for this ugrade is because of a radical cam, and low vacuum, or just because the braking system is better?
Either way, you will be very happy with this system.
A word to the wise, you may have to use an adjustable prop valve for the rear brakes, depending on whether or not you run 4 wheel discs or not.
Also depending on your front steering configuration, you may also have to drop pressure to the steering box, or rack. If you have a stock box, and depending on output, you could create a leak. Many boxes and or racks can only accept about 900 psi.
Just a couple of things to consider. If you get higher than 1800 psi or so, this may become a problem and steering can get a little twitchy a these pressures, not to mention the possibility of a leak.
Probably not going to be an issue, but this is something to keep in the back of your mind.
Good luck, this is a great upgrade.
 
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Old Jul 10, 2008 | 12:42 PM
  #4  
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ChaseTruck754
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Originally Posted by F250army45d
Don't put CHEVY garbage in a FORD this is the best advice I can give you.
Ok so why you want the CHEVY brake booster?
Man replies like this are just annoying to me. I know this is a Ford site, but open your minds a little. The best part for the job is what I use - not the one with the right colored box! The parts for the Chebby or Ford are probably made by the same supplier in the same place...

Ok - back on topic. I am researching the same thing and 75F350 covered it.

Not much to add - just subscribing to the thread.
 
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Old Jul 10, 2008 | 03:52 PM
  #5  
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77f150got_sand
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From: lower Michigan
I installed a hydroboost system out of a 2004 SuperDuty and have been very impressed with it. My truck now stops better than ever, and with less effort. The worst part of the installation was finding someone to make custom hydraulic lines from the special fittings on the newer hydroboost to the older saginaw pump and steering box.
 
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Old Jul 10, 2008 | 04:10 PM
  #6  
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F250army45d
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From: dallastown pa
Originally Posted by ChaseTruck754
Man replies like this are just annoying to me. I know this is a Ford site, but open your minds a little. The best part for the job is what I use - not the one with the right colored box! The parts for the Chebby or Ford are probably made by the same supplier in the same place...

Ok - back on topic. I am researching the same thing and 75F350 covered it.

Not much to add - just subscribing to the thread.



Ok here if you don't want to hear my Chevy comment then post it in this forum. Brakes, Steering, Suspension, Tires, & Wheels - Ford Truck Enthusiasts Forums
Ok and if it is the best part for the job why is there not a kit or direct bolt on sold by any one? Maybe some one doesn't think it is so good for some reason could it be the increased pressure on the steering system.

You know what I find annoying is reading about Chevy parts and things that are not about 73 to 79 Ford trucks. There are other forums for such things open the eyes and read the forum tittle maybe there is a better fit for what you want to post.
 
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Old Jul 10, 2008 | 04:24 PM
  #7  
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ChaseTruck754
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From: Costa Mesa, CA
If you recall I didn't START this post. I simply replied to it.

As to why someone hasn't made a kit for it - simple economics. Believe it or not us 73-79 ford lovers are a VERY small portion of the overall auto parts buying segment. Why would someone spend the R&D time developing 73-79 Ford truck specific kit that few will utilize. There is little to no $$ in it. Especially when they would have to charge a bunch for the kit and your average Joe can do it for "X" amount less by grabbing the parts at a wrecking yard.

If you need someone to make a "kit" for something before you realize what good a certain part or system can be then I'm sorry. Many of us know and realize what came stock on these 30+ year old trucks is just that - 30+ year old technology...

Why don't you close you mouth (keyboard) to match that closed mind...
 
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Old Jul 10, 2008 | 04:28 PM
  #8  
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Originally Posted by F250army45d
Ok here if you don't want to hear my Chevy comment then post it in this forum. Brakes, Steering, Suspension, Tires, & Wheels - Ford Truck Enthusiasts Forums
Ok and if it is the best part for the job why is there not a kit or direct bolt on sold by any one? Maybe some one doesn't think it is so good for some reason could it be the increased pressure on the steering system.

You know what I find annoying is reading about Chevy parts and things that are not about 73 to 79 Ford trucks. There are other forums for such things open the eyes and read the forum tittle maybe there is a better fit for what you want to post.

Chase was not the OP. Maybe he would have posted it in another forum, but he was responding to this one, that was started by another member.

As far as kits available for upgrading brakes, there are many kits available,
Hydro Braking--Power Brake Service Hydroboost Braking Systems - SummitRacing.com
and the kits are made from the same parts that are available as donors from other vehicles. This System just flat works. It is not a ford or chevy thing, it is a concept that works better than what was available 30 years ago.
I do not believe anyone mentioned that the OP was going to do a restoration but simply wanted to upgrade brakes. Perhaps the OP has a large camshaft and the engine produces little vacuum, or even has a diesel, and wishes not to use a vacuum pump.
Cummins diesels are more and more common in our old fords, but nobody seems to say anything bad about this conversion. Mention a Chebby component or someting that originally was found in a chebby, and guys get thier feathers all ruffled.
Whether or not the donor for these components was a chebby or a dodge, or even a Japanese vehicle. Heak, many japanese alternators are very compact, and very high output, making them pretty darn desireable, especially considering the cost, the bottom line is that some components are being used to make the driving experience of our old iron a more pleasurable one.
I would much rather have a braking system that was the best it could possibly be, even if it was originally found in another make or model, over having an old outdated style, and perhaps even a little dangerous, if other modificatrions made the old style a poor choice.
This era hydro-boost is very desireable, and not very expensive. Too bad some are offended by the original source, or vehicle that donated the parts.

My rear disc brakes are mostly chebby parts. Mainly because they are cheap and easy to find. Nothing worse than having a failure, or broken component out in the field, and not being able to find a replacement.
Many chebby parts are laying around everywhere, and I even think I saw some being stoccked next to the produce isle at the grocery store, lol.

To the OP, you are doing a good thing with your upgrade, regarldess, of whether or not the parts came from under a chebby hood.
I guess you could find the identical units from a later ford, but that would cost more, and might not be as easy to find. Does not make sense.
 
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Old Jul 10, 2008 | 04:41 PM
  #9  
77f150got_sand's Avatar
77f150got_sand
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From: lower Michigan
here are some pics of mine with the SuperDuty hydroboost. It is all Ford parts and cost less than $120 including having custom lines made.

1977 Ford F150 4x4 - '77 F-150 Hydroboost brakes
 
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Old Jul 10, 2008 | 04:54 PM
  #10  
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F250army45d
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From: dallastown pa
I really don't care where the parts come from if you notice I even posted a link to a pump so it could be seen the style needed answering one of the questions ask. I see the pumps on ebay as well. I also know that style pump is common for guys running 460 engines not sure why? And also I asked why he wanted to run this set up? I know millitary surplus could be a good place to locate these componets from older model HMMV the Army has started using heavier components and the M998 uses the same pump and brake booster as you guys are talking about. I even think HMMV steering box could be used to over come the pressure issues. So chew on that for a closed keyboard!!!!
 
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Old Jul 10, 2008 | 04:58 PM
  #11  
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ChaseTruck754
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From: Costa Mesa, CA
So why not say that 1st? Instead of "chevy garbage in a Ford" comment? The last post was MUCH more helpful than the 1st...
 
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Old Jul 10, 2008 | 11:11 PM
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[quote=ChaseTruck754;6334257]Man replies like this are just annoying to me. I know this is a Ford site, but open your minds a little. The best part for the job is what I use - not the one with the right colored box!

I agree. Im a member of a couple forums and im getting sick of people wasting their and my time by typing **** thats not helpful. I also use the best parts no matter what the brand. I need good breaks to tow my offroad rig and my 10 ft camper
 
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Old Jul 10, 2008 | 11:19 PM
  #13  
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This rig has
suzuki1.6 L motoer/tranny/tcase and toyota case
Dana 60 rear axle/king pin chev front 60
soon to be a double ended ram for steering
I did all the work myself Frame/f&r 4 link suspension/cage/the trailer it gets towed on

I used the best parts i could get my hands on, And it will beat any truck that has only original parts on it
 
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Old Jul 10, 2008 | 11:25 PM
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Im going to try and use the pump in the truck for now. I may need to go to a 3500psi at 3.4 gal/min pump. Where can i get the bracket for the saginaw pump?I built a bracket for my tracker for that saginaw pump and it sucks id like to get one that is just bolt on.What year car/truck.

 
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Old Jul 10, 2008 | 11:39 PM
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Search down in the offroad forums, and you should be able to find the van that is the right year for the saginaw box.
I run the largest saginaw pump inmine, and it is a modified chevy bracket, serpantine belt, yada yada.
Regardless, that hydro-boost set-up is a Bendix, and not really a ford chebby or dodge.
At any rate, I believe F250army45d had a valid point, and his opinion is alright. Many guys get concerned when we modify these old things, and they are free to state an objection.
Speeking of free, I also believe he has been deployed, and I would like to thank him for his service!

Back to the post. I could not see the pic of your tracker. I dig these little rides. I have a few Sammys. Latest, is a 1.6 powered, toyota axle f/r, 6.5:1 case on simple YJ springs.
Not a bad little ride, and very happy with it. Goes pretty good too.

Good luck on your conversion, I know you will be satisfied with it.
 
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