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Head Bolt Torque 

 

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 Post subject: Head Bolt Torque
Posted: Tue Dec 26, 2006 2:47 am 
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About to torque up my head bolts, I know the sequence but how many Nm do I torque them to?

 

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Posted: Tue Dec 26, 2006 8:57 am 
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what ever the specs are that came with your head gasket
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Posted: Tue Dec 26, 2006 9:26 am 
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ef gasket
1st stage:40Nm
2nd stage:further 90degrees

Au gasket
1st stage:30Nm
2nd stage:further 120degrees
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Posted: Tue Dec 26, 2006 10:44 am 
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oh o

i hav an au gasket and i looked at my el book and it sed 40 then another 90, so i took em to 40, but i havnt done the 90 yet. What should I do??

 

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Posted: Tue Dec 26, 2006 10:51 am 
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Leave them at 40 and go a further 110 degrees is what I would do....bout all you can do. :? 8-)

 

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Posted: Tue Dec 26, 2006 11:06 am 
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why 110?

 

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Posted: Tue Dec 26, 2006 11:20 am 
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cause uve already added an extra 10nm torque to the bolt...so instead of takin it 30-120 u will take it 40-110...hopefully it will end up around the same tension

 

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Posted: Tue Dec 26, 2006 11:35 am 
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so u r sayin that every 1 degree is 1 Nm?

 

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Posted: Tue Dec 26, 2006 11:48 am 
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no not exactly, but seeing u tightened it up to 40 nm i wouldnt tighen it the 120 degrees...a bit less so 100-110 should be fine...know wat we mean?

 

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Posted: Tue Dec 26, 2006 11:50 am 
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So the AU 1s r meant to be tighter than the non AU ones? Cos i was thinkin that since I did it to 40 then maybe another 90 would b wat i needed, but i will try 100 degrees. Thanks

 

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Posted: Tue Dec 26, 2006 11:57 am 
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AU Steel Shim Head Gasket

Stage 1 40nm
Stage 2 80nm
Stage 3 110nm

as per JMM specs

 

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Posted: Tue Dec 26, 2006 11:59 am 
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http://www.fordmods.com/forums/viewtopi ... highlight=

 

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