What is the torque settings for opel astra 2L 8valve big ends and mains?

For the Opel Astra 2.0L 8-valve engine, the torque settings for the big end bolts are typically around 40 Nm (29 lb-ft) followed by an additional angle of 90 degrees. For the main bearing cap bolts, the torque is generally set to about 50 Nm (37 lb-ft) with an additional angle of 90 degrees as well. Always consult the specific service manual for your vehicle for the most accurate specifications.