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What is better, chain or belt distribution? How can rocker arms be improved? Is it possible to modify or improve them in some way to improve engine power? Today we will see all that and also learn how to do a tune-up and valve adjustment for your engine with racing camshafts! Previous: / v6uexww4dmk&t Start: • The 3 ways to increase power... ------------------------------------------ 0:00 Introduction 0:38 Rocker arm improvements 4:31 Timing adjustment 9:27 Valve adjustment