Failure to crack test critical drivetrain components can result in catastrophic failures. The transmission shown above self-destructed at speed when a cracked gear tooth broke free and seized the main shaft.
One of the greatest fears in racing is to have some type of catastrophic suspension or steering failure. The best way to avoid this dangerous (and potentially costly!) situation is regular inspection and crack testing of critical steering and suspension parts. What follows is a brief synopsis of the different crack testing methods readily available to the amateur racer and some considerations to think about when you find that one of your critical pieces is cracked.
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