How to Build a B20 VTEC Part 11: Positive Crankcase Ventilation

When you slap a VTEC head on a non-VTEC block you need to have a plan for how to allow crankcase pressure to escape while the engine is running. On a B20B (or LS) the PCV valve is located on the head but for the GSR or B16 engine the PCV valve is on the block and that&rsquo;s a problem.