311s.org Datsun Sports Tech Wiki | TechSection / 311s.org datsun sports tech wiki browse

Torque Settings

Pat Mahoney(dynaguy) on the forum has offered a bolt chart with recommended torque setting on it for both SAE and Metric. He offered it for $2.50 plus mailing. PM him for current info.

Here is a website that has a chart with torque setting for various bolt sizes, grades and finishes.

http://www.repairengineering.com/bolt-torque-chart.html

SR/L 2 LITER TORQUE SETTINGS

  - Head bolts - 1st time - 6.0kg/m (43.4ft/lb.)
                     - 2nd time - 8.7kg/m (62.9ft/lb.)
                     - 3rd time - 9.0kg/m (65.1ft/lb.)
  - Connecting rod big end nuts - 9.0kg/m (65.1ft/lb.)
  - Fly wheel bolts - 8.0kg/m (57.8ft/lb.)
  - Main bearing cap bolts - 9.0kg/m (65.1ft/lb.)
  - Camshaft bearing cap bolts - M8 - 1.8kg/m (13ft/lb.)
                                               - M6 - 0.7kg/m (5.1ft/lb.)
  - Camshaft gear nuts - 1.8kg/m (13.0ft/lb.)
  - Oil filter nuts - 2.1-2.7kg/m (15.2-19.5ft/lb.)
  - Oil pump - 0.8-1.0kg/m (5.8-7.2ft/lb.)
  - Oil pan bolts - 0.5kg/m (3.6ft/lb.)
  - Rocker cover bolts - 0.6-0.7kg/m (4-5.1ft/lb.)
  - Crankshaft pulley bolt - 20kg/m (144.6ft/lb.)
  - Jackshaft sprocket screw - 4.5-5.0kg/m (32.5-36.2ft/lb.)
  - Spark plug - 1.5-2.0kg/m (11.0-15.0 ft/lb.)
  - Reverse Idler Shaft Nut - 6.1-7.3 kg-rn (45.55-52.78 ft-lb)
  - Reverse Idler Shaft set screw - 1.1-1.3 kg~n (7.95-9.40 ft-lb)
  - Main Bearing Retainer Screws - 1.1-1.4kg-it (7.95-10.12 ft-lb)
  - Counter Shaft Overdrive Bearing - 4.3-5.5 kg-rn (31.09-39.77 ft-lb)
  - Main Shaft Rear Nut 17-20 kg-m (122.9-144.6 ft-lb)
  - Check Ball Plugs 2.2-3.0 kg-m (15.91-21.69 ft/lb)
  - Rear Extension Fitting Bolts 1.5-2.2 kg-m (10.85-15.91 ft-lb)
  - Companion flange Nut 14-17 kg-m (101.2-122.9 ft-lb)
  - Clutch Housing to Gear Case Bolts - 1.9-2.2 kg-m (13.14-15.91 ft/lb)
  - Speedometer Sleeve Lock Plate Bolt - 0.5--0.6 kg/m (2.62-4.34 ft-lb)
  - Clutch Housing to Engine - Large - 2.7-3.7 kg-m (19.52-26.75 ft-lb)
  - Clutch Housing to Engine - Small 1.1 1.4 kg/m (7.95-10.12 ft-lb)
  - Differential pinion nut - 14-17kg/m (101.2-122.9ft/lb.)
  - Side bearing cap clamp bolt - 4.2-4.8kg/m (30.4-34.7ft/lb.)
  - Ring gear clamp bolt - 3.5-4.2kg/m (25.37-30.4ft/lb.)
  - Differential flange bolt - 2.1-2.7kg/m (12-18 ft/lb.)
  - Rear axle bearing cage bolt - 1.5-2kg/m (10.8-14.5ft/lb.)
  - Rear axle bearing press fit - 4000-5000kg/m (8800-11000ft)
  - Leaf spring U bolt - 3.8-4.4kg/m (27.5-31.8ft/lb.)
  - Front spring pin - 6.5-7kg/m (47-50.6ft/lb.)
  - Rear spring pin - 4.7-5kg/m (34-36.2ft/lb.)
  - Upper ball joint - 6-7kg/m (43.4-50.6ft/lb.)
  - Lower ball joint - 9.5-12.5kg/m (68.7-90.4ft/lb.)
  - Wheel bearing nut - Not torque specific-tighten-then back off 
    until cotter pin fits
   - Upper spindle bush - 19-20kg/m (137.4-144.6ft/lb.)
  - Lower spindle bush - 24-25kg/m (173.4-180.8ft/lb.)
  - Upper spindle to chassis - 4-7kg/m (28.8-50.4ft/lb.)
  - Lower spindle to chassis - 3-5kg/m (21.6-36ft/lb.)
  - Shock absorber-top & bottom - 0.5-1kg/m (3.6-7.2ft/lb.)
  - Knuckle arm nut - 3.5-4.9kg/m (25.3-35.4ft/lb.)
  - Steering wheel nut - 5-7kg/m (36.2-50.6ft/lb.)
  - Steering box arm nut - 14kg/m (101.2ft/lb.)
  - Steering box cover bolts - 2.5kg/m (18.1ft/lb.)
  - Tie rod ends - 6-7kg/m (43.4-50.6ft/lb.)
  - Idler arm nut - 9-11kg/m (65.1-79.5ft/lb.)
  - Wheel lug nut - 8-9kg/m (57.8-65.1ft/lb.)
  - Clutch to flywheel - 4.84kg/m (35ft/lb.)Indications from multiple torque 

references are that the standard size M8 bolt of Grade 8, should have a Max Torque of 18ft/lbs please be aware and proceed with caution.