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Old 10-08-2001, 12:09 PM   #1 (permalink)
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Question Hydralic assist steering

My toyota has 1/2 ton running gear and 38" tires I like the idea of some sort of hydralic assist steering. I have little money to work with. Does any one have a write up on this including parts needed and details on how to install and make everthing? The steering box is toyota but I have thought of swapping to chevy witch is easyest and cheapest? Would one steering box work better than the other? I have done the search but seems like its inop. Any help would be great. <IMG SRC="smilies/glasses.gif" border="0">
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Old 10-08-2001, 12:17 PM   #2 (permalink)
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you just think you don't have the $ to get a good setup cause you have not wheeled with one yet. after you do you will relize that it almost as important as those 38's you are running. at that point i would say check out the goodies from Howe performance.
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Old 10-08-2001, 12:26 PM   #3 (permalink)
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The mods can be made to almost any PS box. The boxes with the larger caps on the end will give you more power but are sluggish while the boxes with the smaller are faster and give you a better on the road feel.
The Saginaw pumps have always worked best from my experience because there ability to put out high volume.
I've also been testing some mods to the smaller pumps to give more volume and pressure.
There are several guys that can tell you how to make a do it your self hydro assist setup. Or if you want it done for you just let me know.
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Old 10-08-2001, 01:17 PM   #4 (permalink)
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Here are some links:

http://www.ih8mud.com/tech/ps-ram.html
http://www.off-road.com/~jweed/pwrstr.htm
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Old 10-08-2001, 02:23 PM   #5 (permalink)
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I read the install on the ram assist and it was very informative. I would like some more info but I am not to familiar with this setup. I don't know what to be asking? Does any one run this setup on the street how would it handle? Right now I have to still drive my rig to the trail and need something that is street worthy. As far as a resouvor goes what kind would be adequate for this kind of low budget ram assist?
Thanks <IMG SRC="smilies/biggrin.gif" border="0">
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Old 10-08-2001, 02:37 PM   #6 (permalink)
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add a filter or a cooler to increase capicity.
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Old 10-08-2001, 03:00 PM   #7 (permalink)
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I've made dozens of the setups and can honestly say that it will drive better on the highway with big tires than it did before. You will never have problems with death wobble or have the steering wheel ripped out of your hands ever again. I've had guys leave the shop and turn right around and comeback just to say thanks one more time because it drove so good.
Whether you do it yourself or you buy a kit do it. You'll love it.
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Old 10-08-2001, 10:33 PM   #8 (permalink)
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I just checked out your web site really cool stuff. I will adventually go hydralic assist but not sure when money will allow it? I am trying to get some info together for when I do. I think I will go with either a toy box or chevy box but not sure the benifits of each one? What are they? Should I use a 1" bore 8" ram or a 1.5" one for street ability.
What are some supply places that have good prices on this stuff?
Thanks Jason
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Old 10-08-2001, 11:15 PM   #9 (permalink)
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1" is fine, look for a farm/tractor supply house. Should be had for 60-80 bucks, just shop. Theres a ford tractor dealer on Power inn in Sacto, do buy there but get the ball rollin there...
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Old 10-09-2001, 08:07 AM   #10 (permalink)
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I think I heard some one mention a place called northern tool or something is that right? Any other cheap places to go. Nice info anyone know of any other web sites that have info on this? I searched the net and nothing the bulletin board seems to be not working. Well I checked out the northern tool place very cool and cheap but I couldn't find a 1" or 1.5" bore ram is there any place else? You could do this setup really cheap lines are cheap just need to get the fittings to put on the steering box.

[ 10-09-2001: Message edited by: j4x485 ]
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Old 10-09-2001, 01:33 PM   #11 (permalink)
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OK, after lurking on this thread for the last couple days I've got to ask, and forgive my ignorance when it comes to hydralic assist steering, but is there a problem with synchronizing the rate of turning between the drag link and the hydralic ram. What I'm asking is if you turn the steering wheel one complete turn it moves your tires a certain amount, well does the ram move it at the same rate or do you have to proportion the valve to synch the ram with the steering or what?

And...do toy IFS boxes work for this application and does anyone have a link for where the fittings are to be inserted into the box?

This is VERY tempting since my fawking steering binds on me even with power steering, and it looks like a good weekend project since the rig is "under construction" already. Thanx <IMG SRC="smilies/beer.gif" border="0">
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Old 10-09-2001, 08:26 PM   #12 (permalink)
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The ram will only do what the steering box tells it to. It will do most of the work and just use the steering box as a servo control.
Yes, you can use a toy or any other power steering box for this mod.
As fo rthe guys asking about ram size I recommend that you don't go smaller that 1 1/2 inches. any smaller than that and you are not getting a significant increase in power.
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Old 10-09-2001, 09:12 PM   #13 (permalink)
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TheLakeRat:
Where is a cheap place do purchase these rams from I have searched all over and can only find 2". I have looked at northern tool. Thanks for your help.
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Old 10-09-2001, 09:19 PM   #14 (permalink)
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www.baileynet.com
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Old 10-09-2001, 09:43 PM   #15 (permalink)
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What style would you use I imagine a tie rod cylinder but they also have a welded one. <IMG SRC="smilies/biggrin.gif" border="0">
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Old 10-10-2001, 09:25 AM   #16 (permalink)
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Quote:
Originally posted by j4x485:
<STRONG>What style would you use I imagine a tie rod cylinder but they also have a welded one. <IMG SRC="smilies/biggrin.gif" border="0"></STRONG>
WooHoo! Spy pix of the latest project pile...


That's the steering box (IFS Toy, obviously).



That's the ram (2x8 ag tie-rod cylinder)

And, lest y'all think I only build IFS trucks that don't flex...



There's the progress so far. Yeah, I know... ramps are for (whatever)... but I don't have the luxury of an ARCA course in my back yard, so it'll have to do for now.
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Old 10-10-2001, 01:22 PM   #17 (permalink)
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When you tapped the holes for the high pressure lines how did you do it? Would it be easy to do for someone with better than average abilities? Looks good

[ 10-10-2001: Message edited by: j4x485 ]
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Old 10-10-2001, 01:26 PM   #18 (permalink)
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Quote:
Originally posted by Scott@Rockstomper:
<STRONG>WooHoo! Spy pix of the latest project pile...

There's the progress so far. Yeah, I know... ramps are for (whatever)... but I don't have the luxury of an ARCA course in my back yard, so it'll have to do for now.</STRONG>
Would you happen to have a better pic of where exactly on the steering box you tapped into for the hydraulic lines??
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Old 10-10-2001, 02:04 PM   #19 (permalink)
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I have had no luck in finding a 1.5" bore tie rod hydraulic cylinder only 2" I guess I will go that route hope its works okay for the street.
Quote:
Would you happen to have a better pic of where exactly on the steering box you tapped into for the hydraulic lines??
Iwould like to know too. <IMG SRC="smilies/biggrin.gif" border="0">
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Old 10-10-2001, 02:17 PM   #20 (permalink)
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Would you happen to have a better pic of where exactly on the steering box you tapped into for the hydraulic lines??

Come on Scott, I need better pics of the lines going into the IFS box!!
Did you try the set-up yet?

I'm in the process of collecting the parts I need to do this on my 91' SAS Toy.
Thanx tom
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Old 10-10-2001, 04:31 PM   #21 (permalink)
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Quote:
Originally posted by Scott@Rockstomper:
And, lest y'all think I only build IFS trucks that don't flex...


.[/QB]
now it looks like ya build solid axle trucks that dont flex. just kidding, that looks cool, lots of new ideas on that sucker!
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Old 10-10-2001, 10:41 PM   #22 (permalink)
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Some of us still have some unanswered question someone help us out. <IMG SRC="smilies/tongue.gif" border="0">
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Old 10-11-2001, 03:27 PM   #23 (permalink)
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Nobody has a better pic of the IFS steering box on where exactly the lines go????????

Come awn!!!! Help a fellow wheeler out <IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0">
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Old 10-11-2001, 05:35 PM   #24 (permalink)
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Quote:
I have had no luck in finding a 1.5" bore tie rod hydraulic cylinder only 2" I guess I will go that route hope its works okay for the street.
quote:
--------------------------------------------------------------------------------
I am using a 1.5"x 8" welded cyl that I got from "surplus Center" @ 1-800-488-3407
in Lincoln,Nebraska.
The nice thing about the 1.5" bore is that they are only slightly larger than a stabilizer and are a lot easier to fit in narrow axles like my cruiser.Also if it starts to leak a packing kit is only 8.95.

Call and ask for a catalog they have lots of cool stuff besides hydraulics.

hth
rich
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Old 10-12-2001, 07:23 AM   #25 (permalink)
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'k, I'm back, and I'll spew some more... but I'm not usually online more than once a week, so it's not that I'm tryin' to leave you guys in the dark, it's that I'm workin' all the time, trying to make the mortgage. Call me at the shop if you've got more questions, even if you're not buyin' anything.

Anyway...

Is the location to tap the one. You can't just use the tapped hole right next to it, that one contains the centering pin unit.

Will work for the other. Or, you can use

Depending on which you're more comfy with.

As for how to do it... I drilled holes (very carefully, that upper passage area isn't real thick underneath the passage, and if you drill through, you've ruined the box) and tapped them to 1/4" NPT. It wouldn't be *easy* for anyone without a decent drill press or a mill, but it's not that hard.

Then again, consider the source... I'm a fabricator for a living... so "just toss something up there and port it" is a relative thing.

As for trying the setup yet... yes, I've tried it. It got about 200 pavement miles on it in the first two days it was on, and another probably 20 dirt miles.
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