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2006–2015 Mazda MX-5 Miata Clutch & Drivetrain FAQ's

Please read our FAQs page to find out more.

5‑speed vs 6‑speed on the NC—what should I know when modding?

The 5‑speed is light and durable; the 6‑speed offers closer ratios. Both benefit from fresh GL‑4 fluid and a shifter turret service to restore crisp engagement.

Which clutch suits a bolt‑on NC vs turbo/2.5‑swap builds?

Street NCs like an organic Stage 1–2 with a lightweight flywheel. Higher‑torque FI or 2.5‑swap cars benefit from Stage 3 or twin‑disc options while keeping pedal effort reasonable.

Is the factory LSD worth keeping for track days?

Yes—many NCs have Torsen or clutch‑type LSDs that improve corner exit. Combine with alignment and good tires for the biggest lap‑time drop.