Head Bolt Tension

General engine, transmission or drive line questions including tuning questions for all engine types
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RobSA
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Car(s): BA Falcon, 68 Bellett
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Head Bolt Tension

Post by RobSA »

I've searched and cannot find it, so.

What is the head bolt tension for the standard G150 in the Belletts?

Cheers Rob
If you can't fix it with a hammer, you have an electrical problem!
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Asroc66
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Car(s): PR91 1967 GT, PR20 1966 1/2 with GT Goodies
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Re: Head Bolt Tension

Post by Asroc66 »

Hi Rob
I think I recall standard is 7kgm = 50 ft lbs
I go higher to about 9-10kgm = 68-72 ft lbs
Depends on 'feel', Belletts have heapem big head bolts.
Best to
- clean out the thread with a tap
- use Assembly lube on the thread and under the head
Bolt (at a push could use engine oil but not quite as good)
Cheers
J
Last edited by Asroc66 on Mon Sep 19, 2016 3:34 am, edited 1 time in total.

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mrflibbles
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Re: Head Bolt Tension

Post by mrflibbles »

yeah in the manual its 6-7 kgm
Im pretty sure i did mine a bit tighter though.
I am "that" Florian guy.
never buy a car you cant push.
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RobSA
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Re: Head Bolt Tension

Post by RobSA »

Thank you everyone for the info.

Cheers
Rob
If you can't fix it with a hammer, you have an electrical problem!
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RobSA
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Re: Head Bolt Tension

Post by RobSA »

So does anyone have the correct tension for the rocker stand bolts ?
If you can't fix it with a hammer, you have an electrical problem!
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Teditor
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Re: Head Bolt Tension

Post by Teditor »

I'm going back a long time, but the G150 has two head bolt sizes if I recall, 17mm for the 3 Bearing and 19mm for the 5 bearing, so I would assume two different settings, be careful about overtightening.

Ted (Teditor) Freeman
Ted Freeman
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67GT
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Re: Head Bolt Tension

Post by 67GT »

Hi Rob,
I do have that information, but it is at work.
If I don't remember to post later, call meon 02 4393 2833
Warren.
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Early GT
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Re: Head Bolt Tension

Post by Early GT »

Here is the table of tightening torques for 5 bearing engines,
Cheers,
Lewis.
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RobSA
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Re: Head Bolt Tension

Post by RobSA »

Yippee.
Thank you so much
:D
If you can't fix it with a hammer, you have an electrical problem!
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67GT
Posts: 348
Joined: Sun Jun 14, 2009 8:44 am
Car(s): 1967 bellett gt, wasp trayback , 2018 d-max 4x4 dual cab LSU, 2016 Focus, 1996 GQ Patrol
Location: central coast

Re: Head Bolt Tension

Post by 67GT »

Lewis beet me to it.
That is the same book I have.
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RobSA
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Re: Head Bolt Tension

Post by RobSA »

Tis good 67GT :D

Wish it was easier to clean the head and block of the accumulated gunk.

40+ degrees then constant rain ... blah. Hard to get anything done at all.
Head is nice and clean now.
Next is to clean bolts and rocker gear, then if I can get some fine weather, the block.

Cheers everyone :D
If you can't fix it with a hammer, you have an electrical problem!
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