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Automotive Torque Specifications

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General Engine Torque Specifications

American 6 And 8 Cylinder Engines 1950s-1975

Page 1

AMC-Chevrolet

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

Engine Cylinder

Head

Bolts

Main

Bearing

Caps

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

AMC

1954-1960

6-cyl

60 70 30 80 20. 25  
AMC

1954-1960

OHV V8

65 #1-4; 85

#5; 55

50 80 25 25  
AMC

1961-1963

Aluminum 6-cyl

50 58 30 80 11 End; 10

Center; 25

N/A
AMC

1961-1963

OHV V8

60 #1-4; 85

#5; 55

50 80 20 25  
AMC

1964-1971

OHV 6

85 80 30 80 20 25  
AMC

1972

OHV 6

80 75-80 26-30 50-60 20-25 20-25  
AMC

1973-1975

OHV 6

105 75-85 26-30 50-60 20-25 20-25  
AMC

1964-1966

OHV V8

60 #1-4; 65

#5; 55

50 80 20 25  
AMC

1967-1968

OHV V8

100 100 30 55 42 33  
AMC

1969

290-360 V8

100 95-105 26-30 20-25

(pulley)

40-45 30-35  
AMC

1970-1975

290-360 V8

105-115 95-105 26-30 20-25

(pulley)

40-45 30-35  
AMC

1969

390-401 V8

100 95-105 35-40 20-25

(pulley)

40-45 30-35  
AMC

1970-1975

390-401 V8

105-115 95-105 35-40 20-25

(pulley)

40-45 30-35  
Engine Cylinder

Head

Bolts

Main

Bearing

Caps

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Buick

1954-1961

All

65-75 110-120 40-45 200-220 25-30 10-15  
Buick

1962-1963

All

65-75 110-120 40-45 200-220 25-30 10-15  
Buick

1964-1967

300-340 &

401-425

65-75 110-120 40-45 200-220 25-30 10-15  
Buick

1967

400-430

100-120 100-110 40-45 200-220 45-55 15-20  
Buick

1968-1969

400-430

100 100-110 40-45 200-220 55 18  
Buick

1968-1969

350

65-75 #1-4; 50-55

#5; 65-75

30-35 140-160 55 18  
Buick

1970-1975

350

75 95 35 120 55 18  
Buick

V6

231

65-70 100-125 30-35 120 55 18  
Buick

1970-1975

455

100 100-110 40-45 120-140 55 18  
Engine Cylinder

Head

Bolts

Main

Bearing

Caps

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Cadillac

1950-1953

All

65-70 90-100 40-45 60-65 N/A N/A  
Cadillac

1954-1963

All

70-80 90-100 40-45 65-70 25-30 25-30  
Cadillac

1964-1967

429

60 90-100 40-45 65-70 25-30 25-30  
Cadillac

1968-1971

472

115 90 40 Press 30 35  
Engine Cylinder

Head

Bolts

Main

Bearing

Caps

Rod

Bearing

Nuts

Balancer

Bolt

Intake

Manifold

Exhaust

Manifold

Diagram

Number

Chevrolet

1953-1962

L6 

90-95 100-110 35-45   30 25  
Chevrolet

1955-1967

Small Block V8

60-70 60-70 30-35 60

(where used)

25-35 20  
Chevrolet

1958-1965

"W" V8

60-70 60-70 30-35 60 25-35    
Chevrolet

1963-1975

L6

90-95 65 35   30 25  
Chevrolet

1968-1975

Small Block V8

60-70 Inner; 75

Outer; 65

45 60 25-35 20  
Chevrolet

1965-1975

Big Block

Iron; 80 105 3/8; 50

7/16; 70

85 30 30  
Alum.; Long; 75
Short; 65

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