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Unread 07-12-2011, 06:18 AM   #1
g4x4xgeoff
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1994 YJ Wrangler 
 
Join Date: Mar 2010
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School me on hydroboost

My brakes are awful.

I've got 3/4 ton front brakes stopping my rear, and dual piston 1 ton's in the front. all new lines throughout, a gutted prop valve, an e350 master cylinder, and a dual diaphragm booster. It's still not great.


Looking into getting hydroboost, or if it exists, a more powerful brake booster.

Thoughts? Info? trucks to yank parts out of ?

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[QUOTE=Hurley91;11462515]I could be drunk, high, raped and almost dead.... and I could still recognize it.[/QUOTE]


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Unread 07-12-2011, 06:29 AM   #2
aw12345
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Quote:
Originally Posted by g4x4xgeoff View Post
My brakes are awful.

I've got 3/4 ton front brakes stopping my rear, and dual piston 1 ton's in the front. all new lines throughout, a gutted prop valve, an e350 master cylinder, and a dual diaphragm booster. It's still not great.


Looking into getting hydroboost, or if it exists, a more powerful brake booster.

Thoughts? Info? trucks to yank parts out of ?
Astro van hydroboost is a nice upgrade
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Unread 07-12-2011, 07:01 AM   #3
g4x4xgeoff
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Yeah? know of any write ups or tech info?

I just did a quick search, i'm at work, and found some chevelle guys who did it, didn't see anything for jeeps

Thanks for the lead!
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[QUOTE=Hurley91;11462515]I could be drunk, high, raped and almost dead.... and I could still recognize it.[/QUOTE]


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Unread 07-12-2011, 08:34 AM   #4
tjkj2002
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http://www.vancopbs.com/

Talk with Van,he can set you up.
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Unread 07-12-2011, 03:40 PM   #5
aw12345
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Quote:
Originally Posted by g4x4xgeoff View Post
Yeah? know of any write ups or tech info?

I just did a quick search, i'm at work, and found some chevelle guys who did it, didn't see anything for jeeps

Thanks for the lead!
Friend of mine stuck one on his CJ3B and is very happy, the big thing is to get the return from the steering box and the hydroboost router properly, or add a second return to the powersteering reservoir other than that it's a straight forward setup
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Unread 07-12-2011, 10:12 PM   #6
gotmike
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don't do the astro van hydroboost... it won't have the fluid displacement to power your dual piston calipers... you'll loose most of your brakeing power... you need a newer unit from a 3/4 or 1 ton vehicle... most everything that size now adays has hydroboost anyways... i got mine from a 2003 suburban... that particular one is great because it has a flat mounting plate.. so you just have to line it up, drill holes for your mounting bolts... then convert your brake connector rod to one that will fit your jeep pedal... some guys will cut the shaft and run a die down it to thread it... giving you adjustability on your length... i just cut my old rod and the new rod, then welded them together with a sleeve on it... make sure of your welds though... that's one thing you do not want to break...
you will probably want to get the proportioning valve off whatever you get... or find one that's matched for your current setup... I.E. disk front, drum rear, or disk, disk... or whatever... you will also need an extra power steering hose... you can add it to an existing system easily... the hydroboost takes the line directly off of the power steering pump.. then there is a line from the booster back to your power steering gear to power your steering... then you have to Tee in a return line (non-pressurized) this can be done with a basic brass Tee fitting and a couple of hose clamps... it really is that simple...
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Unread 07-13-2011, 05:59 AM   #7
g4x4xgeoff
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Quote:
Originally Posted by gotmike View Post
don't do the astro van hydroboost... it won't have the fluid displacement to power your dual piston calipers... you'll loose most of your brakeing power... you need a newer unit from a 3/4 or 1 ton vehicle... most everything that size now adays has hydroboost anyways... i got mine from a 2003 suburban... that particular one is great because it has a flat mounting plate.. so you just have to line it up, drill holes for your mounting bolts... then convert your brake connector rod to one that will fit your jeep pedal... some guys will cut the shaft and run a die down it to thread it... giving you adjustability on your length... i just cut my old rod and the new rod, then welded them together with a sleeve on it... make sure of your welds though... that's one thing you do not want to break...
you will probably want to get the proportioning valve off whatever you get... or find one that's matched for your current setup... I.E. disk front, drum rear, or disk, disk... or whatever... you will also need an extra power steering hose... you can add it to an existing system easily... the hydroboost takes the line directly off of the power steering pump.. then there is a line from the booster back to your power steering gear to power your steering... then you have to Tee in a return line (non-pressurized) this can be done with a basic brass Tee fitting and a couple of hose clamps... it really is that simple...

Awesome tip! I may be pm'ing you in a day or two for some more specific questions, but now I have a better search at the bone yards!
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[QUOTE=Hurley91;11462515]I could be drunk, high, raped and almost dead.... and I could still recognize it.[/QUOTE]


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Unread 07-13-2011, 05:40 PM   #8
aw12345
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If you find a hydroboost of the larger trucks see if they have the steel remote reservoir on there also. By the way with 1 ton axles and brakes a later TJ brake booster should work also. Mine sits on 39" tires and I can lock the brakes with ease doing 35 mph
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Unread 07-14-2011, 07:07 AM   #9
g4x4xgeoff
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okay, my booster is from an 01 cherokee, so I guess i didn't go "new" enough?

I'm torn, a new(er) booster would be the fastest, cheapest, easiest, however i really don't want to have to get a new booster, only to find out it's still not enough.

I'm fairly certain I'll be doing hydro soon from the wrecking yard, along with a new power steering pump.

Most likely going Durango...should I get the plow pump for the extra lines, or just split the stock lines like most do when using their stock box?
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[QUOTE=Hurley91;11462515]I could be drunk, high, raped and almost dead.... and I could still recognize it.[/QUOTE]


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Unread 08-15-2011, 07:36 PM   #10
g4x4xgeoff
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bump!
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[QUOTE=Hurley91;11462515]I could be drunk, high, raped and almost dead.... and I could still recognize it.[/QUOTE]


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Unread 08-15-2011, 08:41 PM   #11
gotmike
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depends... are you going to end up going big enough eventually to do hydro assist steering??? if you might go that route then it'd definately be better doing the snow plow pump... and put in a cooler into the return line just to keep things cool... will make the system work sooo much better...
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Unread 08-15-2011, 09:04 PM   #12
rdsk8ter
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best thing I have done brake wise. likes are off a 90s k-30 truck they just threaded right in ( i did have to un-bend a 90 but it worked.) the plate I made I just used a 2" ridged coupling for pipe and two flat plates the space was perfect for the rod length and it bolted right in. Don't forget the cooler or you'll run way to hot. a plus side is the tank on the side holds pressure you can have you engine die and still stop.
http://www.jeepforum.com/forum/f22/r...build-1161262/
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