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Old 09-04-2009, 11:37 AM   #1
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Default Need Suggested Torque for Head bolts

Well I'm putting my engine back together after the carnage and I need to know what people torque their head bolts to.
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Old 09-04-2009, 12:48 PM   #2
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ARP studs or stock TTY head bolts?
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Old 09-04-2009, 01:29 PM   #3
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There just the stock head bolts.
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Old 09-04-2009, 04:55 PM   #4
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??
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Old 09-04-2009, 05:21 PM   #5
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Have fun with that! If there is a trace of oil in the holes, the bolts will never tighten up and just stretch.

IIRC, the torque sequence goes something like this:

30ft lbs and 90 degrees more, then loosen.
90ft lbs then an additional 90 degrees.

Dont quote me on that, but i think its right!
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Old 09-07-2009, 11:22 AM   #6
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Quote:
Originally Posted by Zack View Post
Have fun with that! If there is a trace of oil in the holes, the bolts will never tighten up and just stretch.

IIRC, the torque sequence goes something like this:

30ft lbs and 90 degrees more, then loosen.
90ft lbs then an additional 90 degrees.

Dont quote me on that, but i think its right!
Is that right? 90FT LBS? Seems abit much. Can any one confirm. I just don't to screw this up. Thanks Zack.
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Old 09-07-2009, 11:49 AM   #7
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its prolly 90lbs but you need to do a 60, 70, 90 increase...I don't know but with the 5.0's thats what you do, so I'd look into that
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Old 09-07-2009, 01:34 PM   #8
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Just searched a few Mustang sites and came up with this:

Cylinder head bolts DOHC (four valve Cobra, and Mach One)
--Step 1 28-31ft/lbs
--Step 2 Tighten additional 90 degrees
--Step 3 Tighten additional 90 degrees
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Old 09-07-2009, 02:29 PM   #9
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I guess 90 it is. Just got done doin that. Nothing bad happened so I guess were good.

Thanks guys.
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Old 09-09-2009, 06:39 PM   #10
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WRONG, do not do it like that
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Old 09-09-2009, 06:39 PM   #11
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give me 2 minutes
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Old 09-09-2009, 09:18 PM   #12
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Quote:
Originally Posted by Blue03cobra View Post
give me 2 minutes
2 minutes up.
I already torqued them to 90lbs. I hope thats not bad. I dont think it should cause that big of an issue. The bolts did not break or strip any thing. The head gasket should not be in any danger of breaking like normal head gaskets. I used the ford multilayer metal gasket.
Please let me know cause now you got me worried and questioning my self.
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Old 09-09-2009, 09:20 PM   #13
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Quote:
Originally Posted by Zack View Post
Just searched a few Mustang sites and came up with this:

Cylinder head bolts DOHC (four valve Cobra, and Mach One)
--Step 1 28-31ft/lbs
--Step 2 Tighten additional 90 degrees
--Step 3 Tighten additional 90 degrees
I read the same thing. But I think their talking about the 99/01 Cobra's. I think they used different gaskets. Oh and there not supercharged so there torque would be alot lower.
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