engineTiming Chain Torque Specsfor 1968 Buick GS 400ci V8 · RWDUnitslb-ftNm4 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltCritical40 lb-ft · 54 Nm——Harmonic balancer boltCritical225 lb-ft · 305 Nm——Timing cover bolts15 lb-ft · 20 Nm——Water pump bolts13 lb-ft · 17 Nm—📝 Suggest a correction to this torque spec