Second Dyno Pull and Data Interpretation
At 5:00 in
Turbo LS Horsepower Test! E85 Ethanol vs Pump 93 Octane (What's The REAL WORLD HP Difference?)
What happens here
After reconnecting the knock sensor and addressing the immediate issues, the car performs another dyno pull. The power output improves to 477 horsepower, but the graph still shows a 'wavy' line, indicating inconsistent power delivery. The tuner explains that the dynamometer's current setup (using the coil wire for RPM signal instead of OBD-II) causes inaccurate torque readings and contributes to the wavy power curve. They decide to continue adjusting the fuel mapping and timing to smooth out the curve and maximize power.
Goal: Analyze new dyno data, identify remaining inconsistencies, and refine tuning strategy.
Tools and materials
- Laptop with Tuning Software — Analyzing dyno graphs and making tuning adjustments
What they say
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What they say
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