78-79 pitman arm
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From: Riverview, FL
78-79 pitman arm
I am in the process of swapping over to the 78-79 steering system. I thought I read you could use the 77 pitman arm and found out that was wrong. Guess I should have done a little better research. Anyways, my local salvage yard doesn't have any 78-79 4x4 trucks but they do have an 86, is the pitman arm the same or were they changed? I have been looking all weekend and haven't found much. Heck, does anyone out there have one they could part with? Thanks!
Laughing Gas
Joined: Jul 2002
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From: USA
Andy, you're right, the 77 pitman arm won't work. I did this same swap on my 77. You need the 78-79 arm, they changed them in 80. Just an idea, call Jeff's Bronco Graveyard and ask the question over the phone. They may have one available, just not listed in the catalog. It would be used but what the heck, it doesn't have a ball joint on it like the 76-77's.
Freshman User
Joined: Feb 2009
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From: Wyoming
No the one I have is off a 3/4 ton. Haven't been around many 1/2 tons so I wasn't sure if there was much difference. If there isn't a difference let me know but if there is I won't be of much help.
Elder User
Joined: Feb 2009
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From: Sweethome Or
matched the one off my 79 250 to my 79 bronco same bends same box spline count uncertian about steering draglink end size though.
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From: Simi Valley, CA
I am in the process of swapping over to the 78-79 steering system. I thought I read you could use the 77 pitman arm and found out that was wrong. Guess I should have done a little better research. Anyways, my local salvage yard doesn't have any 78-79 4x4 trucks but they do have an 86, is the pitman arm the same or were they changed? I have been looking all weekend and haven't found much. Heck, does anyone out there have one they could part with? Thanks!
Marked (The ID number is cast onto the arm): D8TA-3590-BA
Fits: 1978/79 F150 4WD with P/S except Super Cab.
No Ford Dealer or obsolete parts vendor has any.
-----------------------------------------------
D7TZ3590C .. Pitman Arm / Obsolete.
Marked: D7TA-3590-GA.
Fits: 1978/79 F150 4WD Super Cab only.
Fits: 1977 F250 4WD after serial number Y20,001.
Fits: 1978/79 F250 4WD / 1979 F350 4WD.
No Ford Dealer or obsolete parts vendor has any.
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Cross-Country
Joined: Aug 2007
Posts: 94
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Mark A. If you've still got a pitman arm for the 78/79 steering box that you would part with, I need one. Am converting my 75 F 250 4x4 assist steering to the 78/79 f 250 4x4 power steering. Bought that steering box, but it came without the pitman arm.
Also can anyone who's done the conversion this way tell me about drag link length?
Thanks
Steven
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