In episode 47 Lake Speed Jr is joined by Keith Jones for a lesson on two terms often confused but unrelated – Cross Hatch Angle and Surface Finish. Keith explains each and its role in performance engines (hint: it’s all about oil).
After Keith’s class, we return in-studio with Joe, Lake and the guys from Calico Coatings to talk about surface coatings and finishes, and the five things they’re designed to prevent – heat, wear, friction, erosion, and corrosion.
For the final segment of the episode, we head down the road to see Jay Abraham and Universal Tool & Engineering to see how they’re using CNC machines to bend tubing and pipes to make everything from chassis to headers.
Episode originally aired live on January 14, 2022