ARP Bolts

RedDogOIF

RedDogOIF
Nov 21, 2006
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Elk Grove
My manuel say to torque down the head to 58lbs of torque for normal OEM bolts. Just bought the ARP bolts...are the torque specs the same?
 

phoenix6

Rockin' the blades
Aug 13, 2006
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RedDogOIF said:

bwahahaa damn who said 60? 58ft lbs is partially the reason every 7m still stock blows its damn HG. 75 - 85ft lbs, ur safe, trust us haha. Also, tap the holes b4 u put in the arps, to get an accurate torquing.
 

RedDogOIF

RedDogOIF
Nov 21, 2006
144
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Elk Grove
phoenix6 said:
bwahahaa damn who said 60? 58ft lbs is partially the reason every 7m still stock blows its damn HG. 75 - 85ft lbs, ur safe, trust us haha. Also, tap the holes b4 u put in the arps, to get an accurate torquing.


Yup, tapped the holes with a 12mm/ 1.25 thread chase. I'll do 75 so that I'm not going through this fun right after I finish. Thanks.
 

phoenix6

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Aug 13, 2006
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RedDogOIF said:
Yup, tapped the holes with a 12mm/ 1.25 thread chase. I'll do 75 so that I'm not going through this fun right after I finish. Thanks.


do 80, trust me dude some guys do 92, I did 85, with my studs, better to go a little high, not a little low. And dont forget the pattern you bolt them to.
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
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Feb 10, 2006
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Ummm...no.

There's a sheet that comes with the bolts/studs...that is the torque you use. You guys need to stop guessing or using "I heard" specs for this kind of stuff. Reading the install/spec sheets for the equipment you use is pretty simple ;)
 

phoenix6

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Aug 13, 2006
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jdub said:
Ummm...no.

There's a sheet that comes with the bolts/studs...that is the torque you use. You guys need to stop guessing or using "I heard" specs for this kind of stuff. Reading the install/spec sheets for the equipment you use is pretty simple ;)

http://www.supramania.com/forums/attachment.php?attachmentid=8053&d=1152461120


I had the paper when I did it, I forget what it was exactly but I know i asked and got a lot of response of it says this but take it to aroud 85, so I did, Im happy, no issues in that area and its been 9k miles.
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
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Feb 10, 2006
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You can do whatever you want, but to say or to come across as "this is the spec" is wrong....the spec sheet is there for a reason. It is based on 75% of the yield strength of the bolt to provide a buffer against failure. Exceed the torque and you get closer to the design limit of the bolt....something ARP specifically warns against doing.

This is actually the latest sheet:


If you don't know...STFU ;)
You're not helping anyone posting the wrong info.
 

phoenix6

Rockin' the blades
Aug 13, 2006
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jdub said:
You can do whatever you want, but to say or to come across as "this is the spec" is wrong....the spec sheet is there for a reason. It is based on 75% of the yield strength of the bolt to provide a buffer against failure. Exceed the torque and you get closer to the design limit of the bolt....something ARP specifically warns against doing.

This is actually the latest sheet:


If you don't know...STFU ;)
You're not helping anyone posting the wrong info.

alright alright, youre putting it bluntly as always but I cannot argue. My apologies, now be nice dammit, I apprciate your advice when given haha.
 

phoenix6

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Aug 13, 2006
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jdub said:
;)

Can't help being blunt...it's my nature. Hope you learned something.

I always learn something from you, even when you put them in such harsh ways....

bitch :biglaugh: (my rebuttle)

You know what, I read the line b4 last that said torque it to 85 ft lbs, THATS where I got confused.
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
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Feb 10, 2006
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LOL...just so long you learn something ;)

Yeah, you have to read the sheets closely. For the bolt, torque is limited to 75 ft/lbs (moly for lube) due their use on a 7M aluminum head.

Studs are different...this is the latest sheet:



Note the torque is 80 ft/lbs w/ moly or 120 ft/lbs w/ 30W motor oil.

This is an interesting read...the link on the left "Using a Torque Wrench" is what really applies to head bolts or studs:
http://www.arp-bolts.com/Tech/TechInstall.html
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
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Feb 10, 2006
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The old spec was 81 ft/lbs w/ moly...105 ft/lbs w/ 30W motor oil.
Actually quite a bit higher using oil. ARP changed the steel used in the studs.
 

starscream5000

Senior VIP Member
Aug 23, 2006
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I was thinking of the moly spec actually. Why would someone use oil anyways when it comes with moly? ;)

I big jar of that shit works wonders when putting an engine toegther, lol.
 

Poodles

I play with fire
Jul 22, 2006
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yes, but ARP also says that their specs are used as a guide, not over the stock setting...

I did 85... but I have studs...