Engine Torque Specs

[DJWorm]

ALL TORQUE SPECS IN #-Ft. UNLESS OTHERWISE NOTED.
NOTE: ALL Blind Holes MUST be cleaned and blown out before assembly. Torque-To-Yield Bolts MUST NOT be reused.

APPLICATION: / TORQUE SPEC:

AC Compressor Bolts / 37
AC Compressor Bracket Bolts / 37
AC Idler Pulley Bolts / 37
AC Tensioner Bolt / 18
AIR Pipe to Exhaust Manifold / 15
Camshaft Retainer Bolts / 18
Camshaft Sensor Bolt / 18
Camshaft Sprocket Bolts / 26
Catalytic Converter Nut / 18
Clutch Pressure Plate Bolts (3 passes in Seq.) = 20/40/52
Sequence: 1-4-6-2-3-5
Con Rod (1st pass) / 15
Con Rod (final pass) / + 60 degrees
Crankshaft Balancer (1st pass using old bolt) / 240
Crankshaft Balancer (2nd pass use NEW bolt) / 37
Crankshaft Balancer (final pass) / + 140 degrees
Crankshaft Oil Deflector (Windage Tray) Nuts / 18
Cranshaft Position Sensor Bolt / 18
Crankshaft Bearing Cap Bolts (Inner 1-10)
(1st pass in Seq.) = 15
Crankshaft Bearing Cap Bolts (Inner 1-10)
(final pass in Seq.) = + 80 degrees
Crankshaft Bearing Cap Studs (Outer 11-20)
(1st pass in Seq.) = 15
Crankshaft Bearing Cap Studs (Outer 11-20)
(final pass in Seq.) = + 53 degrees
Crankshaft bearing Side Bolts (21-30 in Seq.) = 15
Crankshaft Bearing Cap Sequence: (use oil and hand tighten first)
29-25-21-23-27 SIDE
19-15-11-13-17 OUTER
09-05-01-03-07 INNER
FRONT
10-06-02-04-08 INNER
20-16-12-14-18 OUTER
30-26-22-24-28 SIDE
Cylinder Head Bolts (All M11)
(1st pass in Seq.) = 22
Cylinder Head Bolts (All M11)
(2nd pass in Seq.) = 90 degrees
Cylinder Head Bolts (All M11 EXLUDING Med. Length F/R Bolts)
(final pass in Seq.) = 90 degrees
Cylinder Head Bolts (M11 F/R Med. length)
(final pass in Seq.) = 50 degrees
Cylinder Head Bolts (M8 Inner in Seq.) = 22
Cylinder Head Bolt Sequence:
15-13-11-12-14 Top/Intake
10-03-01-05-09
07-06-02-04-08 Bottom/Exhaust
Cylinder Head Coolant Plug / 15
Cylinder Head Core Hole Plug / 15
Drive Belt Idler Pulley Bolt / 37
Drive Belt Tensioner Bolts / 37
Engine Block Coolant Drain Plugs / 44
Engine Block Heater / 30
Engine Block Oil Gallery Plugs / 44
Engine Crossmember Bolts Large / 107
Engine Crossmember Bolts Small / 92
Engine Front Cover Bolts / 18
Engine Mount Heat Shield / 89 INCH #'s
Engine Mount STUD to Engine Block / 37
Engine Mount Through Bolts / 70
Engine Mount Through Bolt NUTS / 59
Engine Mount to Engine Block BOLTS / 37
Engine Rear Cover Bolts / 18
Engine Lift Bracket M10 Bolts / 37
Engine Lift Bracket M8 Bolts / 18
Engine Valley Cover Bolts / 18
EGR Valve Bolts (1st pass) / 89 INCH #'s
EGR Valve Bolts (final pass) / 22 FOOT #'s
EGR Valve Pipe to Cylinder head Bolts / 37
EGR Valve Pipe to Exhaust manifold Bolt / 22
EGR Valve Pipe to Intake Manifold Bolts / 89 INCH #'s
Exhaust Manifold Bolts (first pass in Seq.) / 11
Exhaust Manifold Bolts (final pass in Seq.) / 18
Sequence: 6-3-1-2-4-5
Exhaust Pipe Manifold Nuts / 26
Fuel Injector Fuel Rail Bolts / 89 INCH #'s
Flywheel Bolts (3 passes in Seq.) / 15/37/74
Sequence: 1-4-6-2-3-5
Flywheel to Auto Torque Converter Bolt / 44
Generator Bracket Bolts / 37
Generator Rear Bracket to Engine Block Bolt / 18
Generator Rear Bracket to Generator Bolt / 18
Ground Strap to Cylinder Head Bolt / 37
Ignition Coil Bolts / 106 INCH #'s
Ignition Coil Wire Harness Connector Bolts / 106 INCH #'s
Intake Manifold Bolts (1st pass in Seq.) / 44
Intake manifold Bolts (final pass in Seq.) / 89 INCH #'s
Sequence:
Knock Sensor / 15
Oil Filter / 22
Oil Filter Fitting / 40
Oil Level Indicator Tube (Dipstick) Bolt / 18
Oil Level Sensor / 115 INCH #'s
Oil Pan Baffle Bolts / 106 INCH #'s
Oil Pan Close-out Bolt LT & RT Side / 106 INCH #'s
Oil Pan Drain Plug / 18
Oil Pan M8 Bolts (pan to block & pan to front cover) / 18
Oil Pan M6 Bolts (pan to rear cover) / 106 INCH #'s
Oil Pressure Sensor / 15
Oil Pump to Engine Block Bolts / 18
Oil Pump Cover Bolts / 106 INCH #'s
Oil Pump Relief Valve Plug / 106 INCH #'s
Oil Pump Screen Nuts / 18
Oil Pump Scren to Oil Pump Bolt / 106 INCH #'s
Oil Transfer Cover Bolts / 106 INCH #'s
02 Sensor / 31
PCV System Strap (Rt Ft vapor vent pipe stud)/106 INCH #'s
Power Steering Pump Bolts / 18
Power Steering Pump Brace Bolts / 18
Power Steering Pump Bracket Bolts / 37
Spark Plugs (NEW) / 15
Spark Plugs (used) / 11
Starter Motor Bolts / 37
Throttle Body Bolts / 106 INCH #'s
Transmission Bell Housing Bolts / 35
Valve Lifter Guide Bolts / 106
Valve Rocker Arm Bolts / 22
Valve Cover Bolts / 106 INCH #'s
Vapor Vent Pipe Bolts / 106 INCH #'s
Water Inlet Housing Bolts / 11
Water Pump Bolts (1st pass) 11
Water Pump Bolts (final pass) / 22
Water Pump Cover Bolts / 11
Water Pump Pulley Bolts (1st pass) / 89 INCH #'s
Water Pump Pulley Bolts (final pass) / 18

This data is presented for convienience only. Information sources are Courtesy of Helms Manuals, Mallett Cars, Ltd., "Chevy LS1/LS6 Performance" by Chris Endres & HP Books, "Chevy LS1/LS6 V8s" by Will Handzel and CarTech, Chevrolet Owners & Operators Manuals and my own data. You should consult these sources to confirm the accuracy of the data. I highly recommend the purchase and reading of these books and manuals.