Torque spec's for the cam caps is 8.7 ft-lbs per the Haynes manual (Section 2, page 3)with the following caution noted (Section 2, page 11):
"Caution: Tighten the no. 2, then the no. 4, then the no. 1 bearing caps evenly to specifications in that order, then tighten the no. 3 caps to specifications. Otherwise the no.3 caps may be damaged. While tightening, DO NOT let the camshafts rotate!"