Preferences on rear trailing arms
#1
Preferences on rear trailing arms
I'm going to be replacing the rear upper and lower trailing arms on my 68 Cutlass S and was wondering which supplier is better and has a better cost.
#5
As a structural engineer, I can tell you that putting the adjuster in the center is the absolute WORST possible thing you can do. That's where bending loads are greatest, so the last thing you want to do is to put an adjustment screw there that's smaller in diameter than the rest of the arm. The screw is now the most compliant part of the arm and it pretty much negates any stiffness benefit from the rest of the arm. Note that most arms or linkage rods that are weight optimized for stiffness have a WIDER center section and then narrow down at the ends where the adjuster is located.
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