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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Feb 2014 Posts: 125 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 125 | I have a 1953 -3100 with a 250 CID engine and a Th350 fitted by a PO.
It has a 1975 tilt steering column with rack and pinion power steering attached to the frame. Scary. I want to change back to a regular steering box utilizing the power steering pump already in place.
Can anyone tell me what steering box would fit without creating another nightmare? Am I able to get a power steering adapter to fit a regular steering box? I have none of the parts needed. IE tie rods etc. | | | | | Joined: Feb 2004 Posts: 29,839 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,839 | This subject gets discussed periodically. There is a Toyota Land Cruiser power steering box that's a pretty close match to the original steering column and steering gear which has been adapted to some of the straight-axle trucks. There has also been some discussion about adding an electric-assist steering column to the original steering gear, but I'm not sure anyone has worked all the bugs out of that approach.
Another method involves mounting a Saginaw power steering gear to the left front frame rail ahead of the axle and using a drag link that points rearward to the original straight axle spindle and tie rod, but some of the ones I've seen look a little Rube Goldberg in their setup. Definitely trash the rack & pinion- - - -it's deadly dangerous with a straight axle!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Feb 2014 Posts: 125 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 125 | Hi Jerry
Yes the Land cruiser box looks good but are pretty pricey and hard to come by. CPP puts out a conversion kit for a 69- 87 Chev power steering box but it looks like the Rube Goldberg thing. Maybe Ill just go back to the original steering box and strong arm the wheel like everyone else. If I did it when I was 18 I can do it now that Im 80.
Thanks for pointing me in the right direction.
Stan | | | | | Joined: Dec 2006 Posts: 206 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 206 | There is a conversion for the older power assist steering that uses the original box. http://www.thehollisterroadcompany.com/media/1947_3800/47truckassembly%20008.JPGIts not a cheap setup but adding power steering isn't cheap. I think I did this one for about $500. Uses a GM pump and early Chevy power assist parts. 67 Chevy truck is what i used and made the drag link. Corvette up to 81 or 82 used this type of P/S | | | | | Joined: Feb 2014 Posts: 125 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 125 | CPP manufactures a power assist like Dave installed. I checked with my supplier in Ontario who would not sell me one. Apparently he has eaten two of them including the installation costs. After taking the valve apart he found they were using used parts and the valve was rusted. Costs about $900.00. Buyer beware.
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