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Nissan GT-R (R35) Ignition FAQ's

Please read our FAQs page to find out more.

What spark plugs should I run on a higher‑boost VR38?

A one‑step‑colder iridium plug gapped to tuner spec helps resist blowout. Recheck gap after a few heat cycles on new builds.

Are coil upgrades worthwhile on the R35?

Fresh or higher‑output coils improve spark energy and stability at elevated cylinder pressures—pair with correct dwell in the tune.

Misfire only under boost—where do I start on a GT‑R?

Verify plug gap and age, inspect coils/boots, smoke‑test for leaks, and confirm fuel quality and timing targets in the calibration.