6cyl is 125nm
Torque Setting for VS Commodore Harmonic Balancer Bolt- between 270-320 NM. The Best way is to check the bolt torque setting before you remove it.
The harmonic balancer torque specifications are different in each type of engine. The general torque specification is between 120 pounds and 180 pounds.
160 lbft This is important since the balancer is a "slip fit" not a "press fit" as many engines have. Failure to torque it suffiently will result in wobble and eventual balance failure.
The torque specification, for the harmonic balancer on your 350 cubic inch engine, is 280 pounds per square inch. The torque specification may vary according to the manufacturer of the engine.
60 ft-lbs
120
80 Ft-lbs
75 lbs 75 lbs
About 200 foot pounds.
The engine has a harmonic balancer on it, but if it is off, it is easy to re-install. Simply line up the key and tap it on most of the way and torque down the center bolt.
You can tighten ANYTHING too tight. EVERY bolt and screw has a specific torque specification. Look up what the torque specs are for the balancer bolt on your engine and tighten it to the specification.
70-90 LBS par Hanes repair manual