Torque Specifications
(NOTE: Specs are for 60 wt. Oil on Threads & Washer Surfaces…not Moly)
Small Block 350/400 |
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Stud
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Stud Diameter
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Torque
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Nuts on Main Straight Stud
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7/16″
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70 ft-lbs
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Nuts on Angle Studs
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7/16″
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65 ft-lbs
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Nuts on FRONT Outer Main Cap Studs*
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3/8″
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40 ft-lbs
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Nuts on Head Studs
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7/16″
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70 ft-lb
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Nuts on Tool Steel Head Studs**
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3/8″
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60-65 ft-lbs
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*NOTE: These front studs are smaller than the rest of the studs on the other main caps.
**NOTE: Some special heads require the smaller tool steel studs.
Big Block 500 |
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Stud
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Stud Diameter
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Torque
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Nuts on Main Straight Stud
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1/2″
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95 ft-lbs
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Nuts on Angle Studs
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1/2″
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85 ft-lbs
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Nuts on Head Studs
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7/16″
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70-75 ft-lb
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All Gear Drives |
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Bolt
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Stud Diameter
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Torque
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Cam & Gear Bolts
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5/16″-24
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20 ft-lbs
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