DOC #CERT-E290-30FF-57F9
08.09.2026
Performance Report
ECU Chiptuning — Stage 1
Document Date
08.09.2026
Chevrolet Corvette ZR1
All 6.2 V8 Compressor 647hp Petrol
Original
647HP
819 Nm
Stage 1
677HP
840 Nm
+30 HP / +5% +21 Nm / +3%
Estimated Power and Torque Curve
Customer
Chassis
Date
Signature
Stamp
NOTICE: This document represents estimated values based on database information. It is not valid as official certification without the original handwritten signature and physical stamp of the authorized technician. Performance values may vary based on vehicle condition, fuel quality and operating environment.