1. NiceFishEh

    NiceFishEh Well-Known Member

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    Hey guys

    Need torque specs for timing cover and water pump bolts on my 340.

    Thanks

    Jim
     
  2. djwhog

    djwhog Well-Known Member

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    LA Engine Torque Specifications Small Block Chrysler 273, 318, 340, 360
    * Torque values shown are in ft/lbs unless otherwise noted
    * Follow factory torque sequence
    Fastener Torque Thread Size
    Camshaft Lockbolt 35 7/16-14
    Carburetor to Manifold Nut 7 5/16-24
    Clutch Housing Bolt 30 3/8-16
    Connecting Rod Nut – 45 3/8-24
    Crankshaft Bolt (Vibration Damper) 135 3/4-16
    Cylinder Head Bolt 273-318 85 1/2-13
    Cylinder Head Bolt 340-360 95 1/2-13
    Flywheel Cover Bolt 100 in/lbs 1/4-20
    Flywheel Housing to Block Bolt 50
    Flywheel to Crankshaft Bolt 55 7/16-20
    Fuel Pump to Block 30 3/8-16
    Intake Manifold Bolt 35 3/8-16
    Main Bearing Cap Bolt 85 1/2-13
    Oil Pan Drain Plug 20 1/2-20
    Oil Pan Bolt 15 5/16-20
    Oil Pump Cover Bolt 95 in/lbs 1/4-20
    Oil Pump to Block Bolt 35 3/8-16
    Rocker Shaft Bolt 30 3/8-16
    Spark Plug 30 14mm
    Timing Cover Bolt (cast) 30 3/8-16
    Torque Converter to Flexplate Bolt 270 in/lbs 5/16-24
    Vibration Damper Pulley Bolt 200 in/lbs 5/16-20
    Water Pump to Block Bolt 30 3/8-16
     
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    • NiceFishEh

      NiceFishEh Well-Known Member

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      Thanks Dave
       
    • dibbons

      dibbons Well-Known Member

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      Warning: rocker shaft bolt 15 ft/lbs, 30 is common internet listed mistake! Well, 16.6 ft/lbs to be exact (200 inch/lbs divided by 12 = 16.66). Per 1972 small block Chrysler Factory Service Manual page 9-93:

      torque specs from FSM.png
       
      Last edited: Jan 8, 2019
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      • 4spdragtop

        4spdragtop CONGRATS NORTH AMERICA! FABO Gold Member

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        A free factory service manual can be downloaded from mymopar.com
        Make a cheat sheet and tape to tool box.
         
      • toolmanmike

        toolmanmike Moderator Staff Member FABO Gold Member

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        Tighten it up until it breaks and back it off a half turn. :lol:
         
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        • ACME A12

          ACME A12 It's all ball bearings nowadays...

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          It sounds like you've been peeking over my shoulder...that seems to be my standard modus operandi...:D
           
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