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Automotive Torque Specifications

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General Engine Torque Specifications

American 6 And 8 Cylinder Engines 1950s-1975

Page 2

Chrysler-Ford/Mercury

All torque in this chart is in foot pounds, unless specified otherwise.

Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Chrysler

1953

All

80-85 80-85 45-50 Bolt @

Crank; 135

30 25  
Chrysler

1958

All

80-85 80-85 45-50 Pulley; 55-60 30 25  
Chrysler

1959-1963

All

65-75 80-85 45-50 Bolt @

Crank; 135

40 30  
Chrysler

1964-1971

All

65-75 80-85 45-50 Bolt @

Crank; 135

50 30  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Desoto & Dodge

1954-1963

Except B & RB

80-85 80-85 45-50 Bolt @

Crank; 135

30 25  
Desoto & Dodge

All

B & RB

65-75 80-85 40-45 Bolt @

Crank; 135

40 30  
Dodge/Plymouth

up to 1971

Slant 6

65 85 45 Press 10 10  
Dodge/Plymouth

1964-1971

273-318

85 85 45 Bolt @

Crank; 135

40 25  
Dodge/Plymouth

1964-1971

B & RB

70 85 45 Bolt @

Crank; 135

40-50 30  
Dodge/Plymouth

1964-1971

426 HEMI

70-75 100

Cross

Bolts; 45

75 135   35  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1950-1953

OBA V8

65-70 80-90 45-50 N/A N/A N/A  
Ford/Mercury

1954-1957

All Except 312

65-75 92-105 40-50 85-90 N/A N/A  
Ford/Mercury

1954-1957

312

65-75 92-105 40-50 130-145 N/A N/A  
Ford/Mercury

1958

6 cyl & Y-block

65-75 95-105 45-50 85-90 26 26  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1958

Interceptor V8

80-90 95-105 45-50 130-145 26 26  
Ford/Mercury

1959-1962

6 cyl & 292 V8

65-75 95-105 45-50 85-95 26 26  
Ford/Mercury

1959-1969

332 & 352 V8

80-90 95-105 45-50 130-145 26 26  
Ford/Mercury

1959-1960

430 V8

95-105 95-105 45-50 75-90 26 26  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1961-1962

352-390

80-90 95-105 45-50 130-145 26 26  
Ford/Mercury

1963

6 cyl

65-75 65-75 45-50 85-90 Alum; 15

Iron; 35

26  
Ford/Mercury

1963

352, 390, 406

80-90 95-105 40-45 70-90 Alum; 15

Iron; 25

26  
Ford/Mercury

1964-1969

6 cyl

70-75 60-70 19-24 85-100 N/A 13-18  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1964-1968

260, 289, 302

65-70 60-70 19-24 70-90 12-15 15-20  
Ford/Mercury

289

Hi-Po

65-70 60-70 40-45 70-90 12-15 15-20  
Ford/Mercury

1964-1968

390, 428

80-90 95-105 40-45 70-90 Alum; 15

Iron; 32-35

18-24  
Ford/Mercury

1964-1968

427

100-110 95-105 53-58 70-90 Alum; 15

Iron; 32-35

18-24  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1969

302

65-72 60-70 19-24 70-90 23-25 12-16  
Ford/Mercury

1969-1971

351W

95-100 95-105 40-45 70-90 23-25 18-24  
Ford/Mercury

1969

390

80-90 95-105 40-45 70-90 32-35 18-24  
Ford/Mercury

1969-1971

428

80-90 95-105 53-58 70-90 32-35 18-24  
Engine Cylinder

Head

Bolts

Main

Bearing

Bolts

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Ford/Mercury

1970-1971

6 cyl

70-75 60-70 19-24

250; 21-26

85-100 None 13-18  
Ford/Mercury

1970-1971

302

70-75 60-70 19-24 70-90 23-25 13-18  
Ford/Mercury

Boss 302

65-72 Inner; 60-70

Outer; 35-40

40-45 70-90 23-25 12-16  
Ford/Mercury

1970-1971

351C

95-100 60-70 40-45 70-90 23-25 18-24  
Ford/Mercury

1970-1971

429

130-140 95-105 40-45 70-90 25-30 28-33  

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