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Old 08-12-2011, 02:52 AM   #1
devsdad01
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Default ARP head bolts help

Can anyone tell me what I should tourqe the bolts down to on a 7MGTE? Keep in mind I am using BOLTS and not studs. Not wanting to go wild on this engine just replace the blown gasket with a mild upgrade in the bolts so I can add a little tourqe with confidence that they will hold and not have to go through this again any time soon. Thanks for the help.
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Old 08-12-2011, 02:56 AM   #2
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I think it is 75lbs. with moly lube. Didn't they come with a paper with the spec on it?
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Old 08-12-2011, 03:02 AM   #3
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Came with the paper but it is in bad shape after shipping so not really readable lol. I was thinking 75 in three steps but wasn't sure and REALLY don't want to strip anything out.
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Old 08-12-2011, 11:28 PM   #4
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As long as you have the moly lube you should be fine with 75. I know when I put in the studs it was 90. But if you are using motor oil the torque spec is higher I believe. But if you are still not sure then you can always call ARP and ask for the spec.
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Old 08-13-2011, 06:48 AM   #5
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75 ft lbs with moly and the threads MUST be chased. Torque in multiple passes 3 - 5 and if you encounter striction back off an eighth up to a quarter turn and resume. Each pass should go smoothly, if it stutters or jumps (striction or static friction) then it's not lubed well enough, it's binding on the threads or you're moving too slowly... It will usually result in false torque readings.
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Last edited by cre; 08-13-2011 at 06:51 AM.
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