Question about 1978 Chevrolet C1500

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What is the final head bolt torque for a 1976 chev 454

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80 ft. lbs.

Posted on Jul 03, 2010

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Correct pressure for torque the head of mazda pickup 1998


Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.


Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.



B2500 4 Cylinder

Torque sequence: --------- ' 10 6 2 4 8 ' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51 Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final tighten all bolts an additional 90 to 100 degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.







B3000 3.0 6 Cylinder

Torque sequence ---------- ' 6 4 2 8 ' ' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque to 73 Ft/Lbs









B4000 4.0 6 Cylinder

Torque sequence --------- ' 5 1 3 7 ' ' ' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs Step 3: turn cylinder head bolts in sequence an additional 90-degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.


Good luck with this job!

Feb 06, 2011 | 1998 Mazda Pickup

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I need torque settings for the engine ie head bolts v6 engine 1


i am replacing the heads on a GMC 350 cu in engine. what is the final torque of the head bolts?

Jul 15, 2010 | 1985 Chevrolet Camaro

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Cylinder head bolt torque chevrolet 3.4


here is the troque spec for the cylinder heads.

Cylinder Head Bolt
  • First Pass
60 N·m
44 lb ft
  • Final Pass
95 degrees
Cylinder Head Bolt
  • First Pass
60 N·m
44 lb ft
  • Final Pass
95 degrees


Cylinder Head Bolt
  • First Pass
60 N·m
44 lb ft
  • Final Pass
95 degrees
first pass 44 ftlbs
second pass 95 degrees

Jan 30, 2010 | 2003 Chevrolet Impala

1 Answer

Torque and tightening sequence for 1999 2.2 chev


Cylinder Head Bolts

Step 1
Head Bolts A 46 (62)
Head Bolts B 43 (58)

Step 2 Additional 90 Degrees

Tightening Sequence:
http://www.anubiscycle.com/fixya/99cavheadsquence.png

Jan 17, 2010 | 1998 Chevrolet Cavalier

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


Aluminum heads--
Short bolts-65 ft.lbs.
Long Bolts-75 ft.lbs.

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

Oct 11, 2009 | 1981 Chevrolet Corvette

1 Answer

What torque spec for chev aveo 2004 cylinder head


18 lb ft+60°+60°+60°+10°

NEW HEAD BOLTS ARE REQUIRED WHEN REPLACING THE HEAD OR HEAD GASKET.

Jul 04, 2009 | 2004 Chevrolet Aveo

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Require ford escort rs 2000 1976 torque settings head bolts


2lt overhead cam with them horrible tappet adjusters,cast iron head but valves dont hit the head if the timing belt breaks ,but it does on the 1600 .called a pinto in america .Remember the assembly line well ,have many a fond memory of working on it and the staff canteen on night shift ,what lovely grub we got.Head bolt torque is about 80lbs because i used to pull them down to check them after the machine had tightened them up

Apr 24, 2009 | 1997 Ford Escort

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Need to know cylinder head bolt torque specs


Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. clearpixel.gif clearpixel.gif clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 Ft/Lbs --------- Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.

Feb 07, 2009 | 1994 Oldsmobile Cutlass Supreme

1 Answer

Tightening head


New Headbolts are recommended

Long bolts are torqued to 46'lbs + 90 degrees.

Short bolts are torqued 43'lbs + 90 degrees.

Start in the center, and work to the edges, torquing the bolts in two stages.

Rockers are torqued to 22'lbs.

Dec 21, 2008 | 1999 Chevrolet Cavalier

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