Engine Bolt Torque Specification

May 23, 2010 BlockEngine

Getting the torque correct on your engine bolts can make a difference in the longevity and performance of your muscle car.

Note: These specs may not be correct for your application.Verify your engine specs with a service manual for your year and model. Always torque bolts in three equal increments

 

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Warning!!!

If you are using ARP bolts, you MUST use
their specs.  Click Here!

Bolts or Parts

Lube or Sealer

Torque to:

Increments

Main Caps

Engine Oil

95 ft-lbs.

 

Rear Main Cap

Engine Oil

120 ft-lbs.

 

Connecting Rod Bolts

Assembly Lube

45 ft-lbs.

 

SD Connecting Rod Bolts

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.