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what to torque head studs to?

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Old 11-13-2002, 06:57 PM
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Default what to torque head studs to?

i just ordered a set of ARP head studs and was wondering what should i torque them down to?
do i still have to do it in steps ( like 35 ft/lb then 55 ft/lb then 75 )??

should i use loctite on the stud where it goes in the block? on the nut?

thanks
Old 11-13-2002, 08:06 PM
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Default Re: what to torque head studs to?

No loctite. Use the supplied moly lube for torquing. Most people prolly go about 35/50/65 or something like that. Depends on the application IMO. I won't tell you how high I went on mine, because it is higher than most would go. I would talk to an experienced builder for your specific application.
Old 11-13-2002, 10:03 PM
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Default Re: what to torque head studs to?

I went to 70 ft/lbs with mine.
Old 11-13-2002, 10:17 PM
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Default Re: what to torque head studs to?

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by Reckless:
<strong>No loctite. Use the supplied moly lube for torquing. Most people prolly go about 35/50/65 or something like that. Depends on the application IMO. I won't tell you how high I went on mine, because it is higher than most would go. I would talk to an experienced builder for your specific application.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Where do you get the moly lube? I didn't get any with mine. Will Pep boys have it or do I have to go to a machine shop?
Old 11-13-2002, 10:58 PM
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Default Re: what to torque head studs to?

I torqued my ARP studs to 70lb-ft on the final pass, but went 15,30,45,60, and then 70 to get there. Make sure you use the supplied ARP moly lube. If you did not get any, just call ARP and they will send you some for free. It is very important to use their moly lube as the torque specs from ARP is based on the use of their lube.

<small>[ November 13, 2002, 11:00 PM: Message edited by: Jason99T/A ]</small>
Old 11-14-2002, 08:04 AM
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Default Re: what to torque head studs to?

Most high performance shops carry moly lube.
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Old 11-15-2002, 09:34 PM
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Default Re: what to torque head studs to?

If you use Moly Tq them to 63 or you can use just regular oil 10w30 and go to 70 but use a step pattern.
Old 11-16-2002, 02:42 AM
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Default Re: what to torque head studs to?

ok , are we talking about the stud itself and what to torque it in the block , or are these numbers for the nut that holds the head down??
Old 11-16-2002, 06:25 AM
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Default Re: what to torque head studs to?

These are numbers for torquing the nuts. The actual studs to the head need only 5 ft.lbs.
Old 11-16-2002, 10:30 PM
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Default Re: what to torque head studs to?

Direct from ARP:

1. Use a allen wrench or double nut to seat the studs into the block. Bottom them out and stop, do not apply any torque. Note that with mine and very well cleaned out holes, even with the lube on them, they turned hard every now and then, but you could def. tell when they were bottomed out.

2. Use the moly lube on the washers, threads and nuts when installing the nuts.

3. Torque to 65 ft-lbs for the main studs and 40 for the smaller studs

4. Loosen

5. Torque again to same amount

6. Loosen

7. Torque final time to the same amounts.

The triple-torque pre-stretches the studs.

-Dave
Old 11-17-2002, 12:32 AM
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Default Re: what to torque head studs to?

cool, so i just snug the studs in the block.

<small>[ November 17, 2002, 12:25 AM: Message edited by: 1dirtyZ ]</small>




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