948K views · 3.6K reactions | A long time customer of Performance Trends sent them this high speed video of a valve spring pack in operation at high RPM. You can see the coils oscillating and the outer spring actually breaks. It really gives you an appreciation of the fact that things are not always under control, even in the most well built race engines. | EngineLabs | Facebook
1:54
948K views · 3.6K reactions | A long time customer of Performance Tre…
948.8K views1 week ago
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valve spring rate and open pressure-what matters
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