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Head Bolt Tension
http://bellett.net/forums/viewtopic.php?f=36&t=3338
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Author:  RobSA [ Sun Sep 18, 2016 9:24 am ]
Post subject:  Head Bolt Tension

I've searched and cannot find it, so.

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

Cheers Rob

Author:  Asroc66 [ Sun Sep 18, 2016 12:14 pm ]
Post subject:  Re: Head Bolt Tension

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

Author:  mrflibbles [ Mon Sep 19, 2016 3:06 am ]
Post subject:  Re: Head Bolt Tension

yeah in the manual its 6-7 kgm
Im pretty sure i did mine a bit tighter though.

Author:  RobSA [ Mon Sep 19, 2016 10:45 am ]
Post subject:  Re: Head Bolt Tension

Thank you everyone for the info.

Cheers
Rob

Author:  RobSA [ Sun Jan 08, 2017 9:44 am ]
Post subject:  Re: Head Bolt Tension

So does anyone have the correct tension for the rocker stand bolts ?

Author:  Teditor [ Sun Jan 08, 2017 10:51 am ]
Post subject:  Re: Head Bolt Tension

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

Author:  67GT [ Sun Jan 08, 2017 7:33 pm ]
Post subject:  Re: Head Bolt Tension

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.

Author:  Early GT [ Sun Jan 08, 2017 7:56 pm ]
Post subject:  Re: Head Bolt Tension

Here is the table of tightening torques for 5 bearing engines,
Cheers,
Lewis.

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Author:  RobSA [ Sun Jan 08, 2017 8:53 pm ]
Post subject:  Re: Head Bolt Tension

Yippee.
Thank you so much
:D

Author:  67GT [ Mon Jan 09, 2017 4:27 am ]
Post subject:  Re: Head Bolt Tension

Lewis beet me to it.
That is the same book I have.

Author:  RobSA [ Fri Jan 13, 2017 3:27 am ]
Post subject:  Re: Head Bolt Tension

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

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