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Thread: Torque Specs Big Block Chevy

  1. #1
    Join Date
    Oct 2009
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    Danville PA.
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    Default Torque Specs Big Block Chevy

    Torque Specs
    These specs may not be correct for your application.
    Verify your engine specs with a service manual for your year and model.
    always torque bolts in three equal increments
    Bolts or Parts Lube or Sealer Torque to:
    Main Caps 396-427
    (2 bolt)
    Engine Oil 95 ft-lbs.
    Main Caps 396-454
    (4 bolt)
    Inner and Outer bolts
    Engine Oil
    110 ft-lbs.
    Warning!!!
    If you are using ARP bolts, you MUST use
    their specs. Click Here!
    3/8 Connecting Rod Bolt Engine Oil 50 ft-lbs.
    7/16 Connecting Rod Bolt Engine Oil 70 ft-lbs.
    Cylinder Heads
    Engine oil (blind hole)
    Sealer (water jacket)
    75 ft-lbs. (long bolts)
    65 ft-lbs. (short bolts)
    Rocker Studs (screw-in) Engine Oil 50 ft-lbs.
    Oil Pump Engine Oil 65 ft-lbs.
    Oil Pan Engine Oil 12 ft-lbs.
    Cam Sprocket
    (upper gear)
    Thread Locker 20 ft-lbs.
    Timing Cover Engine Oil 6 ft-lbs.
    Intake Manifold
    (Cast Iron Heads)
    Non- Hardening Sealer 25 ft-lbs.
    Valve Cover Engine Oil 3 ft-lbs.
    Exhaust Manifold Anti-Seize Lubricant 25 ft-lbs.
    Spark Plugs No Lube or Sealer 20 ft-lbs.
    Flexplate (Automatic)
    Flywheel (Clutch)
    Thread Locker 60 ft-lbs.
    Clutch Pressure Plate Thread Locker 35 ft-lbs.
    Centerbolt
    (Harmonic Damper)
    Engine Oil 85 ft-lbs.
    Bellhousing
    (Transmission to Block)
    Engine Oil 25 ft-lbs.
    Thanks Steve


    'Stop telling God how big your storm is.
    Instead, tell the storm how big your God is!'

  2. #2

    Default

    Spark Plugs No Lube or Sealer 20 ft-lbs.
    Flexplate (Automatic)
    Flywheel (Clutch)
    Thread Locker 60 ft-lbs.
    Clutch Pressure Plate Thread Locker 35 ft-lbs.
    Centerbolt
    (Harmonic Damper)
    Engine Oil 85 ft-lbs.
    waleeed

  3. Default

    thanks for this information
    thanks.

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