engineTiming Chain Torque Specsfor 1978 Pontiac Firebird 455ci V8 · RWDUnitslb-ftNm5 fastenersSeqComponentTorqueAngle—Camshaft sprocket boltCritical40 lb-ft · 54 Nm——Harmonic balancer boltCritical160 lb-ft · 217 Nm——Oil pan bolt (front, if loosened)15 lb-ft · 20 Nm——Timing cover bolt (5/16")15 lb-ft · 20 Nm——Water pump bolt30 lb-ft · 41 Nm—📝 Suggest a correction to this torque spec