Ep 3. DIY Cylinder Head

Engine Masters season 2 episode 3 is titled "DIY Cylinder Head" and it features the hosts, Steve Dulcich and David Freiburger, as they explore the different techniques and tools that can be used to modify a cylinder head. The episode focuses on the DIY aspect of cylinder head modifications and aims to provide viewers with insight into how to improve engine performance without hiring a professional.

Throughout the episode, Steve and David venture to different workshops and garages to meet with experts and enthusiasts who specialize in cylinder head modifications. They take a hands-on approach to demonstrate different techniques, including flowbench testing, porting and polishing, valve seat machining, and more. Additionally, they utilize various tools such as die grinders, cutting bits, and abrasive rolls to achieve the highest possible flow, and thus optimal engine performance.

The hosts also explore the different types of cylinder heads and their respective benefits, such as aluminum heads versus iron heads, and why some may perform better than others given certain engine specifications. Furthermore, they delve into the realm of aftermarket cylinder heads and the advantage that they can provide over stock heads.

One highlight of the episode is when Steve and David put their newly-learned skills to the test by modifying a cylinder head on their own. They walk viewers through all of the steps they take, including removing the head from the engine, degreasing it, marking the ports, and performing the necessary modifications before reassembling it and putting it back on the engine. This demonstration allows viewers to see the whole process from start to finish and gain a deeper understanding of the work that goes into modifying a cylinder head.

Another exciting aspect of the episode involves a shootout between two modified engines, where each engine has had its cylinder heads modified differently. The shootout allows viewers to see firsthand how the different modifications directly affect the engine's performance and how an engine can be customized to achieve specific goals.

Overall, "DIY Cylinder Head" is an informative and entertaining episode that showcases the hosts' expertise and passion for engine building. Viewers will undoubtedly come away from the episode with a newfound appreciation for the intricacies of cylinder head modifications and a desire to try their own hand at DIY engine building.