Pontiac Engine Torque Specifications


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pontiac engine torque specifications

Pontiac Engine Torque Specifications

View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421, 428, 455 cu in.

Location

Year

Ft-Lbs

In-Lbs

N-m

Notes

Main Caps

All

95

1140

128.80

70ft-lb 301

Rear Main Cap

All

120

1440

162.70

If you are using ARP bolts, you must use
 their specs. 100ft-lb 301

Connecting Rod Bolts

All

45

540

61.02

Recommend replacing with new rod bolts. 30ft-lb 301

SD Connecting Rod Bolts

All

65

780

88.13

Recommend replacing with new rod bolts

Cast Iron Cylinder Heads

All

95

1140

128.80

Oil the threads

Cylinder Heads - Alum. w/Bolts

All

100

1200

135.58

Oil the threads

Cylinder Heads - Alum. w/studs

All

110

1320

149.14

Oil the threads

Rocker Studs (screw-in)

All

55

660

74.57


Rocker Arm Nuts

(Non-Adjustable Rockers)

All

20

240

27.12


Oil Pump Bolts

All

30

360

40.67


Oil Pump Cover Bolts

All

15

180

20.34


Windage Tray

All

15

180

20.34


Oil Pan

All

12

144

16.27


Camshaft Thrust Plate

All

15

180

20.34


Cam Sprocket/Timing Gear

All

45

540

61.01

Use Thread Locker

Timing Cover to Block

All

35

420

47.45

Use thread sealant

Nut, timing chain cover to block

All

15

180

20.34


Water pump bolts to timing chain cover

All

15

180

20.34

Use thread sealant

Single Timing Cover to Intake bolt

All

10

120

13.56

Install rubber o-ring with light RTV silcone

Valley Pan Bolts

All

15

180

20.34


Cast Iron Intake Manifold

All

40

480

54.23

Use thread sealant

Aluminum Intake Manifold

All

25

300

33.90

Use thread sealant

Valve Cover

All

8

96

10.85


Exhaust Manifold

All

30

360

40.67

Anti-Seize Lubricant

Spark Plugs

All

20

240

27.12

Anti-Seize Lubricant

Flexplate (Automatic)

All

95

1140

128.80

Use Thread Locker

Flywheel (Clutch)

All

95

1140

128.80


Clutch Pressure Plate

All

25

300

33.90


Centerbolt

(Harmonic Damper)

All

160

1920

216.93

Oil the threads

Bellhousing

(Transmission to Block)

All

40

480

54.23


Oil baffle to bearing cap

All

15

180

20.34

Use Thread Locker

Oil filter housing to block

All

30

360

40.67


Starter to block

All

35

420

47.45


Starter rear brace to block

All

50

600

67.79


Fuel Pump to Timing Cover

All

20

240

27.11


Motor Mount

All

75

900

101.69

Right and Left

Transmission Mount 

All

30

360

40.67


Torque converter to flywheel

All

35

420

47.75


Clutch Fork Ball Stud

All

40

480

54.23


Trans to Bell Housing

All

55

660

74.57


Lock Nut, Clutch Fork Rod Adjustment

All

10

120

13.56


Fan and Pulley to water pump

All

20

240

27.11


Plug, oil drain pan

All

22

264

29.83


Thermostat Housing

All

25

300

33.90

Use thread sealant

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