Kanga Motorsports Engine Torquing the Rod Bolts.JPG

Engine Torque Specifications

These torque specifications are taken from a combination of the S30 (240z to 280z) Nissan/Datsun Factory Service Manuals, How to Modify Your Nissan & Datsun OHC Engine, and How to Rebuild Your Nissan & Datsun OHC Engine.

  • Alternator Bracket - 29-43 ft-lbs

  • Alternator to adjusting bolt - 14-22 ft-lbs

  • Camshaft Cover bolts - 5-6 ft-lb

  • Camshaft sprocket bolt - 100-108 ft-lb

  • Camshaft Thrust plate bolts - 4-7 ft-lb

  • Camshaft Tower Bolts - 10-12 ft-lb

  • Chain Guide Bolts - 7 ft-lb (1.0 kg-m)

  • Chain Tensioner Bolts - 7 ft-lb (1.0 kg-m)

  • Connecting Rods are Rod Bolt Size Dependent:

    • Connecting Rod Bolts (Nissan 8mm) - 20-24 ft-lbs

    • Connecting Rod Bolts (Nissan 9mm) - 33-40 ft-lbs

  • Crankshaft Bolt - 100-108 ft-lb / 101-116 ft-lbs / 150 ft-lbs

  • Cylinder head bolts (L18, L20B, L24, L26, L28) - 51-61 ft-lb

  • Cylinder head L28 Turbo bolts - 65 ft-lb (9.0 kg-m) “13 stamped on head”

  • Cylinder head to front Cover - 6-10 ft-lbs

  • Distributor Support Bolt - 3-6 ft-lbs

  • Engine Mounting Bracket - 22-29 ft-lbs

  • Front cover bolts M6 - 3-7.2 ft-lbs

  • Front cover bolts M8 - 7-12 ft-lbs

  • Flywheel Bolt - 94 -108 ft-lb

  • Intake Stud M8 - 9-12 ft-lbs

  • Intake Stud M10 - 25-35 ft-lbs

  • Intake Stud M8 Nuts - 9-12 ft-lbs

  • Main Bolts are Bolt Dependent

  • Main Bolts L-Series (Gas engine) - 33-40 ft-lbs

  • Main Bolts L-Series (LD Diesel engine) - 51-61 ft-lbs (7.0-8.4 kg-m)

  • Oil Pan Bolt - 4-7 ft-lbs

  • Oil Pump Bolt - 8 - 11 ft-lb

  • Oil Pick Up Bolts - 7-12 ft-lbs

  • Oil Pressure Sending Unit - 7-12 ft-lbs

  • Rocker arm pivot lock nut - 40-44 ft-lbs (5.5-6.0 kg-m)

  • Rocker pivot Bushing - 58-87 ft-lbs

  • Spark Plug - 11-14 ft-lbs

  • Spray Bar Bolts - 5-6 ft-lbs (0.7-0.8 kg-m)

  • Thermostat Housing - 9-14 ft-lbs

  • Valve Cover - 7-12 ft-lbs

  • Water Pump M6 - 3 - 7.2 ft-lb

  • Water Pump M8 - 7 - 12 ft-lb

  • Water Pump Pulley Stud - 4-7 ft-lbs

  • Water Outlet - 7-12 ft-lbs 

Suspension Torque Specifications

These torque specifications are taken from the S30 (240z to 280z) Nissan/Datsun Factory Service Manuals.

  • Front Wheel Bearings - 18-22 ft-lb (2.5-3.0 kg-m) turn back 60 degrees

  • Brake Rotor to Hub - 28-38 ft-lb (3.9-5.3 kg-m)

  • Ball Joint Castle Nut - 40-54 ft-lb (5.5-7.5 kg-m)

  • Ball Joint to Lower Arm - 35-46 ft-lb (4.9-6.3 kg-m)

  • Lower Arm to Front Crossmember - 80-94 ft-lb (11.0-13.0 kg-m)

  • Engine Mount Isolators to Front Crossmember - 23-31 ft-lb (3.2-4.3 kg-m)

  • Front Crossmember to Body - 37-50 ft-lb (5.1-6.9 kg-m)

  • Gland Nut - 43-47 ft-lb (6.0-6.5 kg-m)

  • Suspension Strut to Body - 18-25 ft-lb (2.5-3.0 kg-m)

  • Steering Knuckle Arm to Strut - 53 to 72 ft-lb (7.3-10.0 kg-m)

  • Steering Rack to Body - 16-22 ft-lb (2.2-3.0 kg-m)

  • Tension Rod to Body Bracket - 23-31 ft-lb (3.2-4.3 kg-m)

  • Tension Rod to Lower Arm - 33-40 ft-lb (4.5-5.5 kg-m)

  • Wheel Lug Nuts - 58-65 ft-lb (8.0-9.0 kg-m)

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