1 Answer

Tighten the first design cylinder head bolts as follows:
M11 bolts 1st pass: in sequence to 22 ft. lbs. (30 Nm).
M11 bolts 2nd pass: in sequence + 90 degrees.
M11 bolts (1,2,3,4,5,6,7,8): + 90 degrees.
M11 bolts (9 and 10): + 50 degrees.
M8 cylinder head bolts (11,12,13,14,15) to 22 ft. lbs. (30 Nm). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.
Tighten the second design cylinder head bolts as follows:
M11 bolts (1-10) 1st pass: in sequence to 22 ft. lbs. (30 Nm).
M11 bolts (1-10) 2nd pass: in sequence + 90 degrees.
M11 bolts (1-10): + 70 degrees.
M8 cylinder head bolts (11,12,13,14,15) to 22 ft. lbs. (30 Nm). Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.