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1992–2002 Mazda RX-7 Ignition FAQ's

Please read our FAQs page to find out more.

What spark plugs and gaps suit tuned or boosted FDs?

Use appropriate leading/trailing heat ranges (often one to two steps colder with higher boost) and a tighter gap to prevent blowout—follow your tuner’s spec.

Are coil upgrades helpful on higher‑power rotaries?

High‑output coils improve spark energy and reduce misfire risk at high EGT/boost. Pair with quality leads and verify dwell strategy in the tune.

How often should I service ignition on a rotary?

Inspect plugs/coils regularly; heat and oil carryover shorten life. Keep a spare gapped set and fresh leads for quick diagnostics at events.