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#1 |
blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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my boss keeps talking about the 68 4x4 he had. it was manual steering with the closed knuckle front end. he say he tried to swap in some power steering but was unable to find parts. he say the pitman arm swung off a horizontal shaft. anyone confirm this and/or have pics?
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#2 |
Born Psycho
![]() Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,884
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Re: 1968 4x4 power steering question
i don't have pics but i have done this conversion a few times using a steering box from a 71 on up 4x4. it takes some fabrication/modification on the frame rail and steering shaft but is really pretty simple conversion.
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jerry moss 72 cheyenne super K20- tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,tow hooks,bumper guards,toolbox,aux. fuel tank,posi front and rear,plus other goodies!!! SOLD 69 suburban K20-tilt,tach,vacuum,speedwarning,buckets,shoulder belts,am/fm,4 inch all spring lift,4 speed, 14 bolt full floater, dana 44 HD,warn winch,posi front and rear,tow hooks,plus other goodies. 73/80 chevy/gmc K20 SB400,turbo 400,205,tilt,a-c,gas hog. 77 K/5 cheyenne blazer-daily driver/beater. SON HAS IT NOW BRENTWOOD,CALIFORNIA |
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#3 |
Recovering 67-72 Addict
![]() Join Date: Oct 2000
Location: North Bend, WA
Posts: 1,788
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Re: 1968 4x4 power steering question
This is true. The geometry on the 68 steering setup is completely different. Like Jerry said, it can be done by converting to the later 69-72 style. When I did this I also converted to the later open knuckle, disc brake front axle. If I remember correctly it seems that there was some problem connecting the closed knuckle drum axle to the later power steering box. It must take some kind of modified drag link.
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68 Short Fleet 4x4; 427; BTO Level 3 700R4; NP205; Dana 60 front and rear; 4" lift with 35's; Disc brakes; AGR variable ratio steering; factory bucket seats; factory tach and tilt. "Friends call me cruzer cuz I like fast cars and fast women" |
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#4 |
Member #1049
Join Date: Jun 2000
Location: Troy Montana
Posts: 3,940
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Re: 1968 4x4 power steering question
I concur with Breeh.. it is all different than the open knuckle version front axle..
A closed knuckle axle with factory power steering. (apparently only available in 69) used a special pitman arm (the one bolted to the knuckle). I converted a 68 closed knuckle axle to power steering with a 71 and newer PS box and drag link and found a dodge tie rod end that had the correct threads and taper to work with the 71 drag link and 68 closed knuckle arm. it did not steer correctly as the geometry was off and it did not turn fully to one direction.. I got lucky and found a 69 closed knuckle parts axle that had the correct PS pitman arm. |
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#5 |
Registered User
![]() Join Date: Nov 2005
Location: Tucson, AZ
Posts: 50
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Re: 1968 4x4 power steering question
I also went through this exercise. I had to put in a kit for the frame, build a drag link, wasn't the greatest. I'm dropping in a new later model disk setup so I can actually get the truck to turn around in a smaller radius.
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68 Chevy K20 72 Chevy K20 (new) 2000 Silverado Z71 |
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