Engine Masters S05E12 – Engine Personality Test: Camshaft LSA Explained | Engine Masters Full Episodes
In Season 5, Episode 12 of Engine Masters, presented by AMSOIL, the crew breaks down one of the most misunderstood camshaft specs: lobe separation angle (LSA). Using the same small-block test engine on the dyno, they swap camshafts with different LSAs to show how this single measurement dramatically changes an engine’s “personality.” A tighter LSA increases overlap, often delivering a choppier idle and stronger midrange punch, while a wider LSA can smooth idle quality and broaden the torque curve. Through controlled back-to-back testing, Freiburger, Dulcich, and Brulé reveal how LSA affects vacuum, torque production, and peak horsepower. This episode gives clear, data-driven insight into how choosing the right LSA can tailor an engine’s behavior for street manners, strip performance, or something in between.
Engine Masters is a U.S.-based automotive reality science series that premiered in 2014. Hosted by David Freiburger (Roadkill), Steve Dulcich (Engine Masters magazine), and Steve Brulé (Westech Performance Group), the show tests auto parts and engines head-to-head through dyno shootouts and performance comparisons. It ran for eight seasons with over 150 episodes, with production halting after the retirement of Steve Brulé in mid‑2024
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