Learn

Guides

Read it, watch the parts actually move, then test yourself. No fluff — the real fundamentals, explained with things you can poke at.

01
Fundamentals8 min

How an ECU Works

The brain of the engine: what it reads, what it controls, and where the tunable data lives.

→02
Engine basics9 min

Ignition & Spark Timing

The four-stroke cycle, what the spark really does, and why timing is the line between power and destruction.

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