Real Street 2JZ Failure Analysis Tear Down - Dyno Mule V1

This is what it looks like when the increased cylinder pressure of knock detonation kills a bearing. Bearings are a sacrificial wear item, designed to fail before the crankshaft, block, or connecting rods. Normally, they wear in a rotational motion over time, however when the engine encounters knock detonation, the cylinder pressure can more than double or triple, pinching the bearing between the stronger parts. This can cause you to smash or “spin“ a bearing. Knock Detonation can be so severe that it brea