Hydro brakes

[jdcline78]

I have been reading threads on how to do this but I have received no answer on what parts are needed. So could someone please give me a list of parts needed for this conversion I would appreciate it. So far I know I need a brake booster from a 87 Chevy astro van does it matter witch motor it is?

 

[bbcchris]

I have been reading threads on how to do this but I have received no answer on what parts are needed. So could someone please give me a list of parts needed for this conversion I would appreciate it. So far I know I need a brake booster from a 87 Chevy astro van does it matter witch motor it is?

The one I used was from a early 90's Astro with a 4.3 V6. I grab the Astro pedal assy, booster, master cyl and remote resevoir for the power steering. I usually take the lines too so its easier to match the ends when I have new lines made at the local hyd line shop. I just did it to my 94 RRC a few months ago and it turned out great. I did new calipers, rotors and used some Datsun parts brake line "T's" so I didn't have to modify the lines much. It still has primary and secondary circut on the fronts.

 

[Injuhneer]

What is the pressure output of the Disco power steering pump? I have seen a configuration where a GM pump was used to power the hydroboost and the steering in a Ford. The downside was that the GM pump put out more pressure than the Ford pump. The hydroboost worked but the seals blew on the steering. The solution was a flow divider (power divider) to send lower pressure fluid to the steering and high pressure to the hydroboost.

 

[robertf]

It's a positive displacement pump. Output pressure is a variable.

 

[jdcline78]

Thank you I found an astro van at a junk yard now just to find the time to yank the parts does anyone have pics on how they connected to the ps pump

 

[post]

Here's some pics of when I did mine. It might help piece stuff together

http://s196.photobucket.com/albums/aa150/postema0014/hydroboost/

 

[jdcline78]

Thanks

 

[jdcline78]

Can anybody draw up a diagram. I'm not fully understanding how everything connects. Part of the problem is I kep my truck in a garage about 10miles from my house and I can't look at it for reference

 

[fishEH]

Where are you guys getting that T-fitting in this picture from? I assume its bubble flare all around?

 

[post]

I got the "T" from http://fedhillusa.com/

 

[robertf]

looks like a factory rear brake tee for a non abs rover.

I got mine from rovahfarm when I went non ABS
NRC4251

 

[jdcline78]

Bump

 

[bbcchris]

I got my "T" from some 70's Datsun or Toyota car.... I don't remember exactly, but they were mounted on the firewall right behind the valve cover.