Editing Steering shaft assemblies from junkyard parts

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==Putting it together==
From left to right: 1st steering joint goes to the steering box. This is the lower half of a Chevy Astro Van and has the same splines as the S10 steering box that's being used here. 2nd is a piece of double D tubing which connects the 1st steering joint to a piece of double D shaft with a piece of double D tube attached to it, which goes to a steering joint. As you can tell everything has been drilled and tapped for set screws and lock nuts for safety.
[[Image:Steering_joint_assembly1.jpg|frame|none|Steering joint assembly.]]


As you can see, both the Double D shaft and tube has to be drilled and tapped for set screws and jam nuts. For safety purposes, this is a must.
[[Image:Steering_joint_set_screws_and_jam_nuts.jpg|frame|none|Drilling and tapping for set screws and jam nuts.]]


From left to right: 1st is the double D shaft and tube, with the tube having a set screw and jam nut. 2nd is the outer steering joint, with a lower steering column bearing attached, which goes ino the tube that is coming out of the firewall. This helps to hold everything, for added safety. You can't see it in the photo below, but it also has a set screw and nut on the Double D tube. Also, a set screw and jam nut has been added to the opposite side of the locking bolt. 3rd is the inner steering joint that attaches to the column on the inside of the cab. 4th is the bottom of the '93 Buick Park Avenue steering column that's being used in this example.
[[Image:Steering_joint_assembly2.jpg|frame|none|Steering joint assembly, shown with steering column.]]

==Intersecting the firewall==
The steering shaft going through the firewall is made up of one-half GM FWD steering joints, and one-half Chevy Astro Van steering joints. The piece of pipe coming out of the firewall is an exhaust pipe reducer. Here, the end of a steering column was cut off (with the bearing), and the piece of tubing that holds the bearing was then welded into the exhaust reducer. This is done for extra support, and to help seal the cab from exhaust fumes.
[[Image:firewall_steering_joint.jpg|frame|none|Steering joint intersecting a firewall.]]

Using a FWD steering column, here's the male part of the steering joint going through an exhaust pipe reducer.
[[Image:Steering_joint_through_firewall.jpg|frame|none|Male part of a steering joint intersecting a firewall through an exhaust pipe reducer.]]


==The complete assembly==
This shows the complete setup, before welding the piece of pipe that holds the Heim joint to the frame. The reason for the Heim joint is that the steering column bearing used on the outside of the firewall to help support everything isn't a snug fit, and this is one place that overkill is a good idea.
[[Image:complete_steering_joint_assembly.jpg|frame|none|The finished steering shaft assembly, without Heim joint welded to frame.]]

This is how the Heim joint gets mounted to the frame. Simply take a piece of pipe and mount it to the Heim joint by welding a jam nut to the pipe. The weld can be cleaned up in a lathe. To mount it to the frame, make a basic mount out of angle iron.
[[Image:heim_joint_mounting.jpg|frame|none|Mounting the Heim joint to the frame.]]

Be sure that you have some space between your Heim joint and any tubing you are using. You need this for body and frame flex, so the shaft can slide within the Heim joint if it needs to.
[[Image:Heim_joint_spacing.jpg|frame|none|Heim joint spacing.]]

As you can see everything is bolted together, and looks good. It may look like the steering shaft is touching the exhaust manifold but really it's about an inch away from it. The upper joint is almost 2 inches away from the manifolds.
[[Image:complete_steering_joint_assembly_with_Heim_joint_mounted.jpg|frame|none|The finished steering shaft assembly.]]

As you can see, the steering is complete with a Heim joint to secure everything, along with the set screws and lock nuts for added safety.

Please be aware that if this assembly is to be used on on a drag race car which will run under NHRA rules, that the only acceptable retaining devices are welding or "completely through the shaft" bolts and nuts. No set screws allowed except at the rack pinion.

[[Category:Steering]]
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