Torque Arm vs 4-Link

[dontlifttoshift]

Please calculate the shear strength of a 1/2", 150 kPSI Grade 8 bolt, and explain with data, how this can be problematic. And I truly mean this respectfully.

I know what the math says and I really don't care what the math says.

In the past 20 years I have a handful of real world instances on street cars, not race cars, where the bolt in a single shear lower shock mount failed. When those bolts bent or broke they did not care that mathematically they weren't supposed to. Most of those were 5/8" in diameter as well in a street rod application. We can point to a number of factors for the failure but the fact remains that they failed.


My personal ridetech equipped 71 Camaro still has the factory bump stops on the rear frame rails above the axle.