Home/Opel/Calibra/Opel Calibra I (1990-1997)/Repair manual/DOHC Petrol Engine/Technical Data Adjustment/checking Values
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Technical Data Adjustment/checking Values Opel Calibra I

Adjustment Values / Checking Values

EngineC 25 XE
Valve clearanceHydraulic valve lash adjustment:
No adjustment necessary
Spark plug electrode gap mm0.7 to 0.8
CompressionThe difference in compression between the individual cylinders in the engine must not exceed 100 kPa (1 bar)
Pressure loss checkPressure loss per cylinder with engine in good condition must not be more than 25%
Dwell angleElectronic dwell angle control