|
Pontiac
V8
265, 301, 307*, 326,
350, 389, 400, 421, 428, 455
Firing Order
| Cylinder
Numbering |
Distributor
Rotation |
 |
Rotor
Under Cap Spins:
Counter
Clockwise
(*307 rotates Clockwise)
|
Torque
Specs
always torque
bolts in three equal increments
| Bolts or Parts |
Lube or Sealer |
Torque to: |
| Main Caps
|
Engine Oil |
95 ft-lbs. |
| Rear Main
Cap |
Engine Oil |
120 ft-lbs. |
| Connecting Rods |
Assembly Lube |
45 ft-lbs. |
| SD Connecting Rods |
Assembly Lube |
65 ft-lbs. |
| Cylinder Heads |
Engine
oil |
95 ft-lbs. |
| Rocker Studs (screw-in) |
Engine Oil |
55 ft-lbs. |
Rocker
Arm Nuts
(Non-Adjustable
Rockers) |
Assembly Lube |
20 ft-lbs. |
| Oil Pump Bolts |
Engine Oil |
30 ft-lbs. |
| Oil Pump Cover Bolts |
Engine Oil |
15 ft-lbs. |
| Windage Tray |
Engine Oil |
15 ft-lbs. |
| Oil Pan |
Engine Oil |
12 ft-lbs. |
| Camshaft Thrust Plate |
Engine Oil |
15 ft-lbs. |
| Cam Sprocket/Timing Gear
(upper) |
Thread Locker |
45 ft-lbs. |
| Timing Cover to Block |
Engine Oil |
35 ft-lbs. |
| Water Pump to Cover |
Engine Oil |
|
Single Timing Cover to
Intake bolt |
Install rubber o-ring with light RTV silcone |
10 ft-lbs. |
| Valley Pan Bolts |
Engine Oil |
15 ft-lbs. |
| Intake
Manifold
(Cast Iron
Heads) |
Non- Hardening Sealer |
40 ft-lbs. |
| Valve Cover |
Engine Oil |
8 ft-lbs. |
| Exhaust Manifold |
Anti-Seize Lubricant |
30 ft-lbs. |
| Spark Plugs |
No Lube or Sealer |
20 ft-lbs. |
| Flexplate
(Automatic)
Flywheel
(Clutch) |
Thread Locker |
95 ft-lbs. |
| Clutch Pressure Plate |
Thread Locker |
25 ft-lbs. |
| Centerbolt
(Harmonic
Damper) |
Thread Locker |
160 ft-lbs. |
| Bellhousing
(Transmission
to Block) |
Engine Oil |
40 ft-lbs. |
|
|
|
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|
