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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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Are you looking to replace the front suspension with IFS, or just upgrade the steering? I only see steering in your question.
You can put disk brakes on the original straight axle, but rack and pinion steering on a straight axle creates some engineering challenges.
Think about how rack and pinion works, and then think about where the rack would need to be mounted. To prevent bump steer the rack would almost have to be mounted on the axle, increasing unsprung weight, and making the connection to the steering column tricky. Mounting the rack on the frame is more complicated and I'm not convinced it could be done successfully.
If you are committed to rack and pinion you probably want to convert to an IFS at the same time.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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