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Hi so I have been a member for a long time but just seem to always find my answers never having to post. I just got this 77 highboy a week ago. The power steering is really hard to turn sometimes it will turn left ok but most of the time neither way is easy.
I have replaced to pressure and return line.
Replaced the pump.
Still not working checked added fluid to gear box.
Ram is leaking from one side but not real bad.
Added Stopleak regervanator by Lukes.
Where do I go from here new gear box?
New valve control?
The other lines that are not leaking?
With my 77 it didn't turn any way easy. So I just went and got a 79 f250 4x4 box and put it in.
If you really want to keep your stock power steering you could get it rebuilt through red head steering gears. Probably the ram, control and box. I know I have read on here where members rebuilt their own ram but you have to cut a weld to get it apart, and I have no idea about the parts to do it.
No it is not a bolt up, I got it all off a 79. I got the 79 4x4 steering box, the shaft, and bought brand new drag link and 1 of the power steering lines. I'm not sure but i think you could re use your power steering pump, i didn't, i used the one for the 79. Then buy a piece of 5inch channel, flatten down the part of your frame that's bent up. Notch the crossmember 2in towards the firewall and 3in towards the center. Weld in the c channel and box in the crossmember with 1/4" plate. Drill holes to bolt up the 79 steering box. I used the drag link to kinda show where to locate the box. Oh and do some grinding on the output of your steering colum shaft. Because the 79 steering shaft has a flat spot on the bottom and the 77 dont. The hard part for me was the 79oem return line is long and ran back and forth on the xmember as a cooler. Getting that all anchored down took a bit. I'm not sure you even have to use it but i figured it was there so i did.
I have heard that people have traded their ram assist system as a core with red head steering gears but I don't know for sure if they will do this from everyone. you can buy aftermarket steering shafts that are adjustable from borgeson part number 000975. the lines and drag link are pretty easy to get from any parts store. I don't know if you can buy the long return line, but it could be made from the soft flexible copper from like home depot pretty easy or get the on from the junk yard.
From the inside, see the long return. It don't really fit the 77 crossmember.
I know this thread is a little old, but im having some issues with my pitman arm hitting the leaf spring. I have a 77 F250 and I'm doing the 79 steering conversion to get rid of the ram. Do you know of any solutions of where i can get the pitman arm that you used? It looks like that one would work with my setup but i cant find it.
