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Anonymous Posted on Oct 11, 2009

I would like to know the torque settings for head bolts on a 454 big block?

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Greg Bernett

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  • Chevrolet Master 2,993 Answers
  • Posted on Oct 11, 2009
Greg Bernett
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Aluminum heads--
Short bolts-65 ft.lbs.
Long Bolts-75 ft.lbs.

If no aluminum heads.....80 ft. lbs.

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Jonah Oneal

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  • Chevrolet Master 14,092 Answers
  • Posted on Oct 11, 2009
Jonah Oneal
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YOUR TORQUE SETTING IS 80 FT LBS FOR HEAD BOLTS.

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0helpful
1answer

Head bolt torque of big horn setting

The head bolt torque specification for a Big Horn model vehicle will depend on the specific make and model of the vehicle, as well as the engine size and type. I recommend consulting the manufacturer's service manual or a reputable mechanic for the correct head bolt torque specifications for your specific vehicle. It is important to use the correct torque specifications to ensure that the engine components are properly secured and to prevent damage to the engine.

In general, head bolts are typically tightened in a specific sequence and to a specific torque specification to ensure proper clamping force and to prevent warping or damage to the cylinder head. It is important to follow the manufacturer's recommended tightening sequence and torque specifications to ensure the proper clamping force and to prevent engine damage.

It is also important to use a torque wrench to accurately tighten the head bolts to the specified torque. A torque wrench allows you to apply a specific amount of torque to the head bolts, ensuring that they are tightened to the correct specification. Using a torque wrench will help to ensure that the head bolts are tightened properly and will help to prevent over-tightening, which can cause damage to the engine.
0helpful
3answers

Looking for Hyundai hd65 cylinder head, big ends and mains torque settings

  1. Tighten the cylinder head bolts in the sequence shown. Using the 4 step torque turn method, tighten according to the following values:
    • Step 1: All to 34 Nm (25 ft. lbs.)
    • Step 2: All to 68 Nm (50 ft. lbs.)
    • Step 3: All to 68 Nm (50 ft. lbs.)
CAUTION: Do not use a torque wrench for the following step.
Step 4: Turn an additional 1/4 turn




  • Step 5: Install and tighten bolts (1-10) in sequence shown, to 41 Nm (30 ft. lbs.) .
  1. Tighten bolts (1-10) again to 41 Nm (30 ft. lbs.) PLUS 1/4 turn in sequence shown.
  2. Install main bearing bedplate to engine block bolts (11-20), and torque each bolt to 28 Nm (20 ft. lbs.) in sequence shown.

Connecting Rod Cap Bolts 54 Nm (40 ft. lbs.) + 1/4 turn
1997 Jetta: Torque settings..vw..the head, fly wheel, big ends.


1997 Jetta3 1800 feul injection


Vibration Damper/belt Pulley
Tighten 20 Nm (14.8 ft lb) Crankshaft Toothed Belt Sprocket Tighten 90 Nm (66 ft lb) + 90° Camshaft Sprocket Tighten 80 Nm (60 ft lb) Main Bearing Cap
Tighten 65 Nm (48 ft lb) FLYWHEEL TORQUE
Torque 60 Nm. (44 ft. lbs.) + 1/4 turn (90°) [1] [1] Always replace bolts.
CYLINDER HEAD TIGHTENING TORQUE [1] :
1st sequence: 40 Nm (30 ft lb)
2nd sequence: 60 Nm (43 ft lb)
Final sequence: plus 1/2 turn (180°)
Here are some additional specifications, thanks
ntake Manifold
Mounting Bolts 25 Nm (18 ft. lbs.) Bearing Cap Nut 20 Nm (15 ft. lbs.) Rod Bearing Cap
Assembly
Tighten 30 Nm (22 ft lb) + 90° To measure radial clearance
Tighten 30 Nm (22 ft lb) but NOT additional 90° TIGHTENING SPECIFICATIONS
Oil Pump Bolt 20 Nm (14 ft. lbs.) Oil Tube To Block 10 Nm (7 ft. lbs.) Exhaust Manifold to Cyl. Head 25 Nm (18 ft lb) Exhaust Manifold to Front Exhaust Pipe 40 Nm (30 ft lb) Water Pump
TIGHTENING SPECIFICATIONS
Cover Bolts 10 Nm (7 ft. lbs.) Mounting Bolt and Studs 20 Nm (15 ft. lbs.) + 1/4 turn (90°) Pulley Bolts 25 Nm (18 ft. lbs.)

TIGHTENING SPECIFICATIONS
Connecting Rod Nuts:
Tighten In Two Stages:
First Stage 30 Nm (22 ft. lbs.) Second Stage turn an additional 90°(1/4 turn)
0helpful
1answer

I need the torque settings for a Ford fiesta 1.4 2010 for the main bearings the head bolts and big ends

Here are the torque settings for a Ford Fiesta 1.4 2010 for the main bearings, head bolts, and big ends:
Main bearings
  • Main bearing caps: 1st stage - 7 Nm, 2nd stage - 16 Nm
  • Main bearing bolts: 45 Nm + 90°
Head bolts
  • Cylinders 1-3: 2nd stage - 30 Nm + 90°, 3rd stage - 80 Nm + 180°
  • Cylinder 4: 2nd stage - 25 Nm + 90°, 3rd stage - 60 Nm + 180°
Big ends
  • Connecting rod cap nuts: 1st stage - 22 Nm, 2nd stage - 40 Nm + 90°
Please note that these are just the general torque settings. The exact torque settings may vary depending on the specific engine and vehicle. It is always best to consult your vehicle's service manual for the correct torque settings.
Here are some additional tips for tightening the torque settings:
  • Use a torque wrench to ensure that the bolts are tightened to the correct torque.
  • Tighten the bolts in a star pattern, working your way from the center out.
  • Do not overtighten the bolts, as this can damage the engine.
1helpful
1answer

OIL IS LEAKING FROM THE HEAD OF A 2006 SONATA ONTO THE ALTERNATOR AND SHORTING IT OUT .CAN THE HEAD BOLTS BE RE TORQUED ENOUGH TO STOP IT

1) The oil of which you speak should be coming from the valve cover gasket, not the head gasket.
That being the case, you will be needing to replace that gasket, or take it off and re-seal it, as the case may be. ( Some modern gaskets are re-usable, do not need replacement.)
2) You can, of course, re-torque the head bolts is you wish, but know that in today's world, head bolts are often replaced, not re-torqued, because they are considered to be "stretched" with only one use, and are replaced.
Also, you have an aluminum block, so re-torquing the head bolts may not be what you really wish to do.
If only one bolt even begins to "strip" you are in a big problem.
God bless your efforts.
0helpful
1answer

Torque settings on a yaris 1.3 16v big ends,mains,flywheel,cylinderhead

Toyota Yaris Main and Big end Torque settings:
Tighten the main and big end bolts in sequential order and in two steps.
Main bearings. Stage 1.
22 ft lbs.
Stage 2.
44 ft lbs

Big end bearings.
Stage 1.
11 ft lbs.
Then Rotate bolt head a further by 90 degrees

Head bolt torque must be done in 3 steps:
1st 22 ft lbs
2nd 43 ft lbs
final 47 ft lbs
use this sequence of tightening:
9 - 3 -1 -6 -8
7 - 5 - 2 -4 - 10

Flywheel spec:
65 ft lbs

0helpful
2answers
0helpful
1answer

What the torque settling on a 1.8spi vauxhall cavalier 1994

Cylinder head Renew bolts: Yes Tighten: 25 Nm Tighten: 90° Tighten: 90° Tighten: 90° Other engine tightening torques Main bearings Renew bolts/nuts: Yes Main bearings Stage 1: 50 Nm Main bearings Stage 2: 45°-60° Big end bearings Renew bolts/nuts: Yes Big end bearings Stage 1: 35 Nm Big end bearings Stage 2: 45°-60° Oil pump to cylinder block : 6 Nm Sump bolts : 15 Nm Sump drain bolt : 55 Nm Flywheel/driveplate :
  • Use new bolts and tighten as follows:
      • 1,4/1,6 = 35 Nm + 30° + 15°
      • 1,8/2,0 = 65 Nm + 30° + 15°
  • "Pot"-type flywheel = 65 Nm + 30° + 15°
  • Tighten drive plate to 60 Nm.
Clutch pressure plate : 15 Nm Crankshaft pulley/damper centre bolt : Use new bolts. Tighten centre bolt to 130 Nm + 40°-50°
Camshaft sprocket/gear : 45 Nm Camshaft/rocker cover : 8 Nm Inlet manifold to cylinder head : 22 Nm Exhaust manifold to cylinder head : 22 Nm Spark plugs : 25 Nm Lambda sensor (Oxygen) : 30 Nm Chassis tightening torques Front hub :
  • Tighten nut in three stages:
    1. 130 Nm
    2. Slacken off
    3. 20 Nm + 80°-90°.
Steering track rod end : New nuts 60 Nm Brake disc to hub Front: 4 Nm Brake caliper to carrier Front: 30 Nm Brake caliper/carrier to hub Front: 95 Nm Brake caliper/carrier to hub Rear: 80 Nm New bolts ABS sensor Front: 8 Nm ABS sensor Rear: 15 Nm Road wheels : 110 Nm
There you go pretty much covers everything hope that helps
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4answers

Will a 454 turbo transmission bolt to a 350 big block engine?

yeah this will work....most 350 big blocks come with either a 350, 350 turbo or 400 turbo transmissions.....bolt pattern is the same
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