Automotive Engine Torque Specs

Torque Specifications for
GM 4.3L-265ci-V8-SM-BLOCK

Bell Housing To Engine Block

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Bell Housing Cover To Bell Housing

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Carburetor To Intake Manifold

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Connecting Rod To Crankshaft

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: Chevy Small Block - 11/32in. Bolt - Rod Cap

Type:

Dim:

Length:

Head:

Grade:

Connecting Rod To Crankshaft

45 Ft-Lbs

540 In-Lbs

61.01 N-m

Years: All

Note: Chevy Small Block - 3/8 in. Bolt - Rod Cap

Type:

Dim:

Length:

Head:

Grade:

Connecting Rod To Crankshaft

75 Ft-Lbs

900 In-Lbs

101.69 N-m

Years: All

Note: Chevy Small Block - 7/16 in. Bolt - Rod Cap

Type:

Dim:

Length:

Head:

Grade:

Crankshaft To Engine Block

75 Ft-Lbs

900 In-Lbs

101.69 N-m

Years: All

Note: Chevy Small Block - 25-50-75 Step - Not Outer Bolts

Type:

Dim:

Length:

Head:

Grade:

Crankshaft To Engine Block

65 Ft-Lbs

780 In-Lbs

88.13 N-m

Years: All

Note: Chevy Small Block - Outer Bolts on 4 Bolt Cap

Type:

Dim:

Length:

Head:

Grade:

Cylinder Head To Engine Block

65 Ft-Lbs

780 In-Lbs

88.13 N-m

Years: All

Note: Chevy Small Block - 25-45-65 Helical Sequence

Type:

Dim:

Length:

Head:

Grade:

Distributor Clamp To Engine Block

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Drain Plug To Oil Pan

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Engine Mount To Engine Block

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Engine Temp Sensor To Intake Manifold

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Exhaust Manifold To Cylinder Head

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block - 30 Ft-Lbs on 4 Inner Bolts

Type:

Dim:

Length:

Head:

Grade:

Flywheel To Crankshaft

60 Ft-Lbs

720 In-Lbs

81.35 N-m

Years: All

Note: Chevy Small Block - Blue Loctite

Type:

Dim:

Length:

Head:

Grade:

Fuel Pump To Engine Block

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Fuel Pump Plate To Engine Block

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Intake Manifold To Cylinder Head

33 Ft-Lbs

396 In-Lbs

44.74 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Oil Filter Adapter To Engine Block

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: All

Note: Chevy Small Block - 1/4in. Bolt

Type:

Dim:

Length:

Head:

Grade:

Oil Filter Adapter To Engine Block

13.5 Ft-Lbs

162 In-Lbs

18.3 N-m

Years: All

Note: Chevy Small Block - 5/16in. Bolt

Type:

Dim:

Length:

Head:

Grade:

Oil Gallery Plug To Engine Block

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block - Oil Gallery Plugs - 1/4in.

Type:

Dim:

Length:

Head:

Grade:

Oil Pan To Engine Block

7.5 Ft-Lbs

90 In-Lbs

10.17 N-m

Years: All

Note: Chevy Small Block - 14 bolts - 1/4in.

Type:

Dim:

Length:

Head:

Grade:

Oil Pan To Engine Block

13.5 Ft-Lbs

162 In-Lbs

18.3 N-m

Years: All

Note: Chevy Small Block - 4 Bolts - 5/16in.

Type:

Dim:

Length:

Head:

Grade:

Oil Pump To Engine Block

65 Ft-Lbs

780 In-Lbs

88.13 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Pressure Plate To Flywheel

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Pulley To Crankshaft

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: Chevy Small Block - 3 Bolts

Type:

Dim:

Length:

Head:

Grade:

Rocker Arm Stud To Cylinder Head

50 Ft-Lbs

600 In-Lbs

67.79 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Spark Plug To Cylinder Head

22 Ft-Lbs

264 In-Lbs

29.83 N-m

Years: All

Note: Chevy Small Block - 13/16 Spark Plug

Type:

Dim:

Length:

Head:

Grade:

Spark Plug To Cylinder Head

15 Ft-Lbs

180 In-Lbs

20.34 N-m

Years: All

Note: Chevy Small Block - 5/8 Spark Plug

Type:

Dim:

Length:

Head:

Grade:

Starter To Engine Block

35 Ft-Lbs

420 In-Lbs

47.45 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Thermostat Housing To Intake Manifold

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Timing Chain/Belt Cover To Engine Block

6.25 Ft-Lbs

75 In-Lbs

8.48 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Timing Chain/Belt Sprocket To Camshaft

20 Ft-Lbs

240 In-Lbs

27.12 N-m

Years: All

Note: Chevy Small Block - 3 Bolts - Red Loctite

Type:

Dim:

Length:

Head:

Grade:

Valve Cover To Cylinder Head

5 Ft-Lbs

60 In-Lbs

6.78 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Vibration Damper/Hub To Crankshaft

60 Ft-Lbs

720 In-Lbs

81.35 N-m

Years: All

Note: Chevy Small Block - Center Bolt

Type:

Dim:

Length:

Head:

Grade:

Water Adapter/Connector To Engine Block

25 Ft-Lbs

300 In-Lbs

33.9 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Water Pump To Engine Block

30 Ft-Lbs

360 In-Lbs

40.67 N-m

Years: All

Note: Chevy Small Block

Type:

Dim:

Length:

Head:

Grade:

Windage Tray To Engine Block

40 Ft-Lbs

480 In-Lbs

54.23 N-m

Years: All

Note: Chevy Small Block - Red Loctite

Type:

Dim:

Length:

Head:

Grade: