Saginaw Power Steering conversion Using stock Smog on a FJ60 (1 Viewer)

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O-ring hoses are real simple. They go on straight, and they need a flat mating surface, which the stock steering box has (once the flare adapter is removed). The end of the O-ring hose is flared just a tiny bit bigger than the mating hole in the steering box, and it is a tiny bit too long.

The important parts are there. As to the hose fitting, I KNOW it fits because I've been wheeling with 33" tires. The only difference will be that I'll be removing the straight 30 degree flare to O-ring adapter that I designed and machined. In other words, I do know about those particular mating surfaces.

I did not need an adapter on the Saginaw pump - it came with a 16MM O-ring, which is why I selected the pump and the hose. The original hose is not real flexible either, simply because it's such a short piece of rubber. Anyhow, now I'm going to have to hook this thing up and find out if it leaks under pressure then the question will be settled.

Not sure if you meant that trimming the end of a O-ring hose is 'custom' or not, but to me as long as you're not messing with the mating surfaces, it doesn't matter.
 
yes...you can use a GM pressure hose....keep the end that mates to the ps pump....and replace the other end fitting that mates to the steering gear to whatever works...if the hose is long enough.
 
What I'm saying is that you don't have to replace the other end. I find that GM hoses are usually too long (stock is like 21"?), and finding a nice short one is the issue, unless you happen to be running a 'FJ62, in which case I don't know what works. I'll post pics when I try this experiment, since I get the feeling we're somehow not communicating. I suspect it's my lack of skills in transferring ideas.
 
@rickyrockrat any updates on this? Thinking of converting to Saginaw but need to keep my stock smog...
 
Sure. what do you want to know? I built a new mount for the Saginaw that the stock smog pump works with, then use a GM hose. I can get part numbers. If you will do the test on the Stearing gear side with a 16mm O-ring hose, I'll make a hose adapter for you if it doesn't fit.
 
Hi Guys,

I picked up a Saginaw pump with Manafre bracket and pulley on Ebay. Trying to figure out if I need an adapter / new hose to connect it to the stock FJ60 PS box. Unfortunately most of the terminology in this thread (no pun intended) is lost on me. Here is a pic of my pump... if anyone can point me in the right direction as far as figuring out what I'd need to connect it... I'd sure appreciate it!

Would love to have a better idea before I start ripping stuff apart :)

I'm desmogged if it makes any difference

pump.jpg
 
I don't know what to do with that flare fitting, but it looks like it is just an adapter threaded into the back of the pump. I may be that if you unscrew that, you will find a o-ring style connection.
You have a couple options:
1) Find a hydraulic shop to make a hose with M16x1.5 inverted flare, and take them the pump for the other end.
2) If the pump is M16x1.5 o-ring (or M18x1.5), then you can buy any o-ring hose with M16x1.5 on one end and (whatever is on the pump end).
2a) take out the brass adapter in the bottom of the pressure side hole.
2b) hacksaw 1/16 from the end of M16x1.5 tube.

It is too bad you have that flare on the pump side, because I can't help you with that part. You can also buy a new pump for $50
 

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