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#1 |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Adding Power Steering Box - Bolt right up to frame??
Hey guys, I'm slowly collecting all the stock parts to add power steering to my L6 250 truck. I've seen a couple Youtube videos with guys installing conversion kits (I'm using all stock components) where the kits come with mounting brackets to attach the steering box to the frame. Mind you both videos were for other generation trucks..(60's Chev and Square body)
Will my stock power steering box bolt right up to my 71 frame or do I need to source or add these frame mount brackets I've been seeing? Thx!
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1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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#2 |
Senior Member
![]() Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Adding Power Steering Box - Bolt right up to frame??
Post a picture of what you have ?
when I converted my 67 from manual to power steering I used a 76 c10 box to get the quicker steering ratio I think it's 3.5 lock to lock . It's a cardone 27-7501 it bolted right in place of the manual box . ![]()
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![]() 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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#3 | |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,483
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
All of the truck boxes up to '87 are a direct bolt on as far as fitting the '71 frame. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#4 |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Re: Adding Power Steering Box - Bolt right up to frame??
That's what all my research showed as well. Do you know why these aftermarket kits always include extra mounting brackets? Seems odd they would if we don't need it
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1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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#5 | |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
The power steering box is still in transit with my dad. It's out of a 72 C10. You want pics of the box or my current stock manual steering box on my 71 truck?
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1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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#6 |
Registered User
Join Date: Oct 2014
Location: Brandon, Manitoba, Canada
Posts: 970
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Re: Adding Power Steering Box - Bolt right up to frame??
The adapter brackets are needed for the earlier trucks. I needed one for my 65 when I put the square body box on.
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#7 |
Registered User
Join Date: Apr 2022
Location: Moorpark, CA
Posts: 756
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Re: Adding Power Steering Box - Bolt right up to frame??
FWIW my 72 PS box bolts direct to frame. maybe some of the brackets in "the kit" are to mount a PS pump...
I just bought a new box, rag joint and lines to replace the originals. |
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#8 | |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,483
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
I have never looked at or conducted any research on those kits so I can't answer that one. Mounting a frame mounted power steering box into a '67 frame would require an adapter or frame modification so maybe that is what the kit covers. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#9 | |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
Sounds like the verdict is she's a direct bolt on to my truck which is great! Just odd about the kits with the brackets lol
__________________
1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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#10 |
Registered User
Join Date: Mar 2014
Location: Lincoln Park, NJ
Posts: 189
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Re: Adding Power Steering Box - Bolt right up to frame??
I think I remember Stacey David going on about some square body frames tending to crack at the power steering box mount. Think it might have been the stunt man truck build on gearz.
Those kits might be to reinforce that frame rail there. you can find some links (the one I tried to post didn't work here) on google for squarebody frame crack power steering
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#11 | |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
__________________
1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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#12 |
Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 758
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Re: Adding Power Steering Box - Bolt right up to frame??
Not that I can recall. I took the ps box from an 84 and installed it in my 70. Direct bolt in. The 84 frame had a crack under the steering box though.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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#13 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,602
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Re: Adding Power Steering Box - Bolt right up to frame??
Make sure to check the rag joint splines and their shape are the same.
https://content.speedwaymotors.com/D..._optimized.jpg |
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#14 | |
Registered User
Join Date: Oct 2022
Location: Regina, Saskatchewan
Posts: 343
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Re: Adding Power Steering Box - Bolt right up to frame??
Quote:
For rag joints, my understanding is there are two spline options. The box is here now so I'll count the splines today
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1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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