Engine Masters

8 Season
157 Episode

Engine Masters - Season 8 Episode 20 A Study in O2 Sensors and AFR Readings


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18 minutes 2025 HD

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Standalone air/fuel ratio gauges have changed the game when it comes to tuning carbureted engines, with a world of possibilities and pitfalls when using them. We start by comparing five off-the-shelf units, then move on to showing how things like placement, air leaks and even dead cylinders can affect your readings, your tuning decisions, and ultimately your power levels.

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