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Honda S2000 Ignition FAQ's

Please read our FAQs page to find out more.

What spark plugs are recommended for a tuned or boosted S2000?

A one‑step‑colder iridium plug is common at higher cylinder pressures. Gap to your tuner’s spec to resist blowout under load.

Are coil upgrades useful on the S2000?

Quality coils can improve spark energy and consistency as load increases. Pair with the correct plugs and dwell strategy for your calibration.

Why does my S2000 misfire only under heavy load?

Often plug gap, aging plugs, marginal coils, or a small intake/boost leak. Verify fuel quality and tune health before pushing harder.