What is the torque on head bolts for a 3800 Pontiac engine?

Cylinder Head Bolt Tightening Sequence

1 8 5 2 6 3 7 4

_______________________________________

* * * * * * * * * * * * *

10mm bolts 7mm bolts Center bolt

Note: For engines equipped with a valley cover:

- Tighten the 10mm bolts, in sequence, to 22 lb ft (30 N·m)

- Tighten the 7mm bolts, in sequence, to 22 lb ft (30 N·m)

- Tighten the 10mm center bolt to 53 lb ft (72 N·m)