What are the torque settings for big end and mains on 3y engine?

For the Toyota 3Y engine, the torque settings are typically as follows: the big end bolts should be torqued to 40 Nm (29 lb-ft) and then tightened an additional 90 degrees. For the main bearing caps, the torque specification is generally around 50 Nm (37 lb-ft) followed by an additional 90 degrees. Always refer to the specific service manual for your engine for the most accurate and detailed information.