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02-15-2025, 04:43 PM
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#1 |
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Registered User
Join Date: Jul 2024
Location: N.E. Arizona
Posts: 78
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1986 K20 Steering box to 1969 C30 frame
Hi Everyone,
Will a power steering box from a 1986 4WD K20 fit a 69 C30? I.E. will the pitman arm fit the splines of the box? Thanks much for any help provided!!
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Best wishes to ya’ll. Sincerely, Jim "To invent you need a good imagination and a pile of junk" - Thomas Edison "I've always wanted to get a job as a procrastinator - but, I keep putting off looking for one - I guess I'll never realize my life's dream - so sad." - Me  My C30 wrecker build/repair/update thread: https://67-72chevytrucks.com/vboard/...d.php?t=855904 |
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02-15-2025, 04:59 PM
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#2 |
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Born Psycho
 
Join Date: Feb 2001
Location: brentwood,cal,usa
Posts: 4,952
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Re: 1986 K20 Steering box to 1969 C30 frame
it will bolt up to the frame but 4x4 pitman and 2wd pitman are totally different
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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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02-16-2025, 02:16 AM
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#3 | |
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Registered User
Join Date: Jul 2024
Location: N.E. Arizona
Posts: 78
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Re: 1986 K20 Steering box to 1969 C30 frame
Quote:
If I had looked closer before I posted this question I would have seen that the later steering box shaft doesn't have the same style tapered, splined shaft as the earlier box. The pitman arm isn't held on with an end nut. Instead it uses a through bolt which clamps the arm to the shaft. My guess is that the shaft has a curved notch to accept the bolt and keep it from being able to slide off.
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Best wishes to ya’ll. Sincerely, Jim "To invent you need a good imagination and a pile of junk" - Thomas Edison "I've always wanted to get a job as a procrastinator - but, I keep putting off looking for one - I guess I'll never realize my life's dream - so sad." - Me My C30 wrecker build/repair/update thread: https://67-72chevytrucks.com/vboard/...d.php?t=855904 |
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02-16-2025, 11:14 AM
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#4 |
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All about them K’s
 
Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,568
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Re: 1986 K20 Steering box to 1969 C30 frame
The direction that the pitman moves is completely different between the two as well. C30 will move side to side and the K20 is forward and back.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s |
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