|
CAST IRON ENGINES
|
| Where |
Bolts |
Torque |
Lubricant |
| Main Cap |
7/16" bolts |
65 ft/lbs - Outer |
Oil or Molylube |
| |
7/16" bolts |
70 ft/lbs - Inner |
Oil or Molylube |
| |
3/8" bolts |
40 ft/lbs - Outer |
Oil or Molylube |
| |
7/16" studs |
65 ft/lbs - Inner |
Oil or Molylube |
| |
7/16" studs |
60 ft/lbs - Inner |
Oil or Molylube |
| |
3/8" studs |
60 ft/lbs - Outer |
Oil or Molylube |
|
| Connecting Rod |
11/32" |
40-45 ft/lbs |
Oil or Molylube |
| |
3/8" |
40-45 ft/lbs - .006" stretch |
Oil or Molylube |
| (PN-14011092) |
7/16" |
70 ft/lbs - .005" - .006"
stretch |
Oil or Molylube |
|
| Cylinder Head |
|
65 ft/lbs |
Sealant |
| Blind bolt holes in Bowtie blocks require
oil on head bolt threads |
| Rocker Arm Screw-In Stud |
|
50 ft/lbs |
Sealant |
| Camshaft Sprocket |
|
20 ft/lbs |
Oil |
| Intake Manifold |
|
30 ft/lbs |
Oil |
| Flywheel / Flexplate |
|
60 ft/lbs |
Oil |
| Front Damper Bolts |
|
60 ft/lbs |
Oil |
| Exhaust Manifold |
|
25 ft/lbs |
Antiseize |
| ALUMINUM ENGINES |
| Where |
Bolts |
Torque |
Lubricant |
| Main Cap |
3/8" bolts |
40 ft/lbs - Outer |
Oil or Molylube |
|
7/16" studs |
65 ft/lbs - Inner |
Oil or Molylube |
|
7/16" studs |
60 ft/lbs - Outer |
Oil or Molylube |
|
3/8" studs |
60 ft/lbs - Outer |
Oil or Molylube |
|
| Connecting Rods |
11/32" |
40-45 ft/lbs |
Oil or Molylube |
|
3/8" |
45-50 ft/lbs - .006 stetch |
Oil or Molylube |
| (PN-14011092 |
7/16" |
70 ft/lbs - .005" - .006" stretch |
Oil or Molylube |
|
| Cylinder Heads |
|
Long: 65 ft/lbs - Short: 60 ft/lbs
|
Oil or Sealant |
| Blind bolt holes in Bowtie blocks require
oil on head bolt threads |
| Rocker Arm Screw-In Stud |
|
50 ft/lbs |
Sealant |
| Camshaft Sprocket |
|
20 ft/lbs |
Oil |
| Intake Manifold |
|
30 ft/lbs |
Oil |
| Intake Manifold with Aluminum Heads |
|
25 ft/lbs |
Antiseize |
| Flywheel / Flexplate |
|
60 ft/lbs |
Oil |
| Front Damper Bolt |
|
60 ft/lbs |
Oil |
| Exhaust Manifold |
|
25 ft/lbs |
Antiseize |
When using aluminum heads make sure you
use a hardened steel flat washer under the head bolts or stud nuts.
Use a steel shim or spring cup under valve springs used with aluminum
heads. Shen using main cap studs,
place a hardened steel washer under the stud n ut. |