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Old 09-02-2018, 09:03 AM
Mark IV Mark IV is offline
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Join Date: Feb 2001
Location: Buffalo, NY USA, NY
Cobra Make, Engine: Superformance
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We use a "stover" nut https://en.wikipedia.org/wiki/Distorted_thread_locknut

A Nylock will not work as the heat melts the nylon and split lock washers fail with the heat cycling (takes the temper out of the steel) and allow the nut to loosen with the vibration. As this is a "tension" rather than "shear" application, a grade 5 or better will work although some bolts handle the heat cycling better than others.
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