How to Build a B20 VTEC Part 3: Measuring Bearing Clearances

Measuring bearing clearances isn&rsquo;t what I&rsquo;d call the most exciting step when it comes to building an engine but it&rsquo;s an important one that can catch issues that will dramatically shorten your engine&rsquo;s life. Simply put, bearing clearance is how much space exists between your crank journals and the main / rod bearings.