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Ignition Timing Calculator
Calculate the effective ignition timing for your build. Select your engine, base timing, and timing key to see the results, HP impact, and safety warnings.
Inputs
Stock HP: 6.75 HP • Stock RPM: 4000 RPM
Stock timing: 23° BTDC
Optional: Enter target RPM for timing recommendations
Results
Effective Timing
0.0° BTDC
Base (0°) + Key (0°)
HP Gain
+0-0 HP
Risk Level
LOW
Important Notes
- • Always verify actual timing with a timing light after installation. Key degrees are approximate.
- • Listen for detonation/knock. If present, reduce timing or check fuel quality.
- • Never use advanced timing keys (4° or 6°) without proper safety components (billet flywheel, billet rod).
- • These calculations are estimates. Actual results may vary based on engine condition, fuel quality, and other factors.