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Hey guys, today we're going to talk about a very common question among our staff: which has better performance, the 20-valve or the 16-valve. So we'll show you the physical issues and especially the measurement on the flow bench to be able to make a more technical analysis of the performance of each cylinder head for the world of high performance. Follow our social networks: /stumpfcabecotes Request a quote for your project: https://www.melhorbio.co/stumpfcabeco... INDEX 00:00 INTRODUCTION 02:08 TOUR OF THE WORKSHOP SECTORS 09:41 PHYSICAL COMPARISONS OF THE CYLINDER HEADS 18:46 MEASUREMENT ON THE FLOW BENCH 19:27 READING THE RESULTS 23:01 CONCLUSION