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Unless otherwise marked, all engines and parts are for competition use only; not legal for use on pollution controlled vehicles at any time.

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LB7 Torque Specs

LB7 Aftermarket Fastener Torque Specs  
   
SoCal Diesel LB7 Billet Injector Clamps                                                       55 lb ft
   
ARP 12mm Head Studs #230-4201 125 lb ft
   
ARP 12mm 625 Material Head Studs #230-4202 150 lb ft
   
SoCal Diesel 14mm Head Stud Kit 190 lb ft
   
ARP Main Stud Kit #230-5401   190 lb ft
   
ARP Main Stud Kit #230-5401 Cross Bolts 90 lb ft
   
ARP Flywheel Bolts #230-2901 250 lb ft
   
SoCal Diesel Rocker Stud Kit                                                                           55 lb ft
   
SoCal Diesel Street Rods 80 lb ft
   
2001-2004.5 LB7 Torque Specs  
   
 A/C Compressor Bolt                                                                                                 37 lb ft
   
 Air Conditioning Compressor/Power Steering Pump Bracket Bolt 34 lb ft
   
 Camshaft Gear Bolt 173 lb ft
   
 Camshaft Position Sensor Bolt 89 lb in
   
 Camshaft Position Sensor Exciter Ring Bolt 80 lb in
   
 Camshaft Thrust Plate Bolt 16 lb ft
   
 Charged Air Cooler Bolt 15 lb ft
   
 Charged Air Cooler Clamp 71 lb in
   
 Connecting Rod Cap Bolt - Angular Tightening Method 1st Step 47 lb ft
  2nd Step 30 degrees
  3rd Step 30 degrees
   
 Coolant Pipe to Water Pump 18 lb ft
   
 Cooling Fan Pulley 30 lb ft
   
 Crankshaft Balancer Bolt 1st Step 74 lb ft
  2nd Step 105 degrees
   
 Crankshaft Bearing Cap Bolt - Angular Tightening Method 1st Step 72 lb ft
  2nd Step 97 lb ft
  3rd Step 60 degrees
   
 Crankshaft Bearing Cap Side 52 lb ft
   
 Crankshaft Position Sensor Bolt 89 lb in
   
 Crankshaft Position Sensor Spacer Bolt 89 lb in
   
 Crossmember Bolt 74 lb ft
   
 Cylinder Head M12 Bolt - Angular Tightening Method 1st Step 37 lb ft
  2nd Step 59 lb ft
  3rd Step 60 degrees
  4th Step 60 degrees
   
 Cylinder Head M8 Bolt 18 lb ft
   
 Drive Belt Tensioner Pulley Bolt 30 lb ft
   
 Engine Block Coolant Plug 13 lb ft
   
 Engine Mount Through Bolt to Frame 55 lb ft
   
 Engine Mount to Block Bolts 43 lb ft
   
 Engine Mount to Frame Bolt 48 lb ft
   
 Engine Shield Bolt 15 lb ft
   
 Exhaust Heat Shield Nut 80 lb in
   
 Exhaust Manifold Bolt/Nut 28 lb ft
   
 Exhaust Manifold Heat Shield Bolts 71 lb in
   
 Exhaust Outlet Clamp 11 lb ft
   
 Exhaust Outlet Heat Shield Bolts 71 lb in
   
 Exhaust Outlet Pipe Bolt 39 lb ft
   
 Exhaust Pipe Bolt 39 lb ft
   
 Exhaust Pipe Bracket Bolt 25 lb ft
   
 Exhaust Pipe Clamp 30 lb ft
   
 Exhaust Pipe Heat Shield Bolts 71 lb in
   
 Fan Pulley Bracket Bolt 34 lb ft
   
   
 Flywheel Bolt - Angular Tightening Method 1st Step 58 lb ft
  2nd Step 60 degrees
  3rd Step 60 degrees
   
 Flywheel Housing to Block Bolt 60 lb ft
   
 Flywheel Housing to Upper Oil Pan Bolt 37 lb ft
   
 Front Engine Cover Bolt 15 lb ft
   
 Fuel Block Bolt 18 lb ft
   
 Fuel Filter Bracket Bolt 15 lb ft
   
 Fuel Injection Control Module Bolt 15 lb ft
   
 Fuel Injection Control Module Bracket Bolt 15 lb ft
   
 Fuel Injection Control Module Connector Bolt 89 lb in
   
 Fuel Injection Control Module Connector Bracket Bolt 15 lb ft
   
 Fuel Injection Control Module Cooler Eye Bolt 20 lb ft
   
 Fuel Injection Pipe Nut 30 lb ft
   
 Fuel Inlet Pipe Bracket Bolt 15 lb ft
   
 Fuel Pipes Bracket Bolt 18 lb ft
   
 Fuel Rail Assembly Bolt 18 lb ft
   
 Fuel Rail Connector 33 lb ft
   
 Fuel Return Pipe Eye Bolt - Cylinder Head Side 12 lb ft
   
 Fuel Return Pipe Eye Bolt - Injector Side 12 lb ft
   
 Fuel Return Pipe Sleeve Nut 30 lb ft
   
 Fuel Return Sleeve Unit 30 lb ft
   
 Fuel Injection Pump Assembly to Cylinder Block Bolt 15 lb ft
   
 Fuel Injection Pump to Bracket Bolt 15 lb ft
   
 Fuel Injection Pump Drive Gear Nut 52 lb ft
   
 Fuel Line Bracket Nut 15 lb ft
   
 Fuel Temperature Sensor Eye Bolt 11 lb ft
   
 Glow Plug 13 lb ft
   
 Glow Plug Connector Nut 18 lb in
   
 Glow Plug Power Feed Nut 11 lb ft
   
 Glow Plug Relay Assembly Bolt 18 lb ft
   
 Heater Outlet Pipe/Nose Bolt 18 lb ft
   
 Heater Outlet Pipe/Hose Nut 80 lb in
   
 Heater Pipe Bolt 15 lb ft
   
 Idle Pulley Bolt/Screw 27 lb ft
   
 Injector Bracket Bolt 37 lb ft
   
 Injector Harness Bracket Bolt 80 lb in
   
 Injector Terminal Nut 18 lb in
   
 Injector Pipe Lock Plate Screws 35 lb in
   
 Intake Air Heater 37 lb ft
   
 Intake Air Heater Terminal Nut 35 lb in
   
 Intake Manifold Bolts/Nuts 15 lb ft
   
 Intake Manifold Tube Bolts/Nuts 80 lb in
   
 Oil Cooler Adapter Bolts 15 lb ft
   
 Oil Cooler Adapter Nuts 18 lb ft
   
 Oil Cooler Assembly Bolts 18 lb ft
   
 Oil Cooler Adapter Stud 89 lb in
   
 Oil Drain Plug 25 lb ft
   
 Oil Fill Tube Bolt 62 lb ft
   
 Oil Level Indicator Tube Bolt 15 lb ft
   
 Oil Level Sensor Bolt 89 lb in
   
 Oil Pan Bolts/Nuts – Lower 89 lb in
   
 Oil Pan Bolt – Upper 15 lb ft
   
 Oil Pan Skid Plate Bolt 15 lb ft
   
 Oil Pressure Sensor Unit 22 lb ft
   
 Oil Pressure Relief Valve 29 lb ft
   
 Oil Pump Bolt 15 lb ft
   
 Oil Pump Driven Gear Nut 74 lb ft
   
 Oil Pump Gear Cover Bolt 15 lb ft
   
 Oil Strainer Bolts/Nuts 18 lb ft
   
 Piston Cooling Nozzle Eye Bolt 15 lb ft
   
 Power Steering Pump Bracket Bolt 37 lb ft
   
 Power Steering Pump Bolt 37 lb ft
   
 Power Steering Pump Bracket Bolt 34 lb ft
   
 Rocker Arm Shaft Bracket Bolt 30 lb ft
   
 Starter Motor Bolt 58 lb ft
   
 Transmission Fill Tube Nut 13 lb ft
   
 Thermostat Housing Bolts/Nuts 18 lb ft
   
 Thermostat Cover Bolt 15 lb ft
   
 Torque Converter Bolt 44 lb ft
   
 Transmission Oil Cooler Clip Nut 80 lb in
   
 Turbocharger Bolt 80 lb ft
   
 Turbocharger Boost Sensor Bolt 89 lb in
   
 Turbocharger Coolant Outlet Pipe Bracket Bolts 15 lb ft
   
 Turbocharger Oil Return Pipe Stud 89 lb in
   
 Turbocharger Oil Supply Hose Eye Bolt 25 lb ft
   
 Turbocharger Oil Return Pipe Bolts/Nuts 15 lb ft
   
 Turbocharger Thermostatic Coolant Valve 44 lb ft
   
 Upper Oil Pan to Flywheel Housing Screws 15 lb ft
   
 Vacuum Pump Nuts - California Emissions 16 lb ft
   
 Valve Adjusting Screw Nut 16 lb ft
   
 Valve Lifter Holdown Bracket Bolt 97 lb in
   
 Valve Rocker Arm Cover Bolt – Lower 89 lb in
   
 Valve Rocker Arm Cover Bolt – Upper 71 lb in (Two Times)
   
 Water Outlet Bolts 18 lb ft
   
 Water Pump Bolt 15 lb ft