Re: mercruiser 4cyl head torque sequence
begin in the center and work alternatly towards both ends of the head. tighten to 1/3 the torque value on the first sequence; to 2/3 value on the second sequence; finaly full torque on the final sequence.<br />M/M 4-cylinder---130 ft lb (176Nm)<br />gmc 4-cylinder---100 ft lb (136Nm)<br />by my manual-1964-1992