engineTiming Chain Torque Specsfor 1981 Pontiac LeMans 4.3L V8 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltsCritical20 lb-ft · 27 Nm——Harmonic balancer boltCritical160 lb-ft · 217 Nm——Oil pan front bolts12 lb-ft · 17 Nm——Timing cover bolts10 lb-ft · 13 Nm——Water pump bolts25 lb-ft · 33 Nm—📝 Suggest a correction to this torque spec