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No custom tuning from Callaway, the 618/633 is stock “hot” Callaway... 90+ degree temp during those runs.
The higher HP dyno is a custom tune on the car, for the higher octane when we are able to run it, still extremely conservative due to the extended track time.
Best Regards,
Dave
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2022 SS 1LE - Vivid Orange - SCCA CAM-C & Optima Ultimate Street Car GT
Katech, MSD, QA1, Hurst, Anderson Composites, ProParts USA Custom Suspension, Auto Addict USA, Forgeline Wheels, G-Loc Brakes, Nine Lives Racing, MTX Audio, Penske Rapid Repair, RacingBrake
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