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Generation III Internal Engine
ARP HEAD STUDs...

Generation III Internal Engine 1997-2006 LS1 | LS6

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ARP HEAD STUDs...

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Old

Feb 3, 2007 | 07:56 PM

#1

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ARP HEAD STUDs...

I am in the process of putting head studs in my LS1 and ARP is saying that all nuts are to be torqued to 70lbs. ft., the problem is that there is no way that the 5 top head stud nuts (10mm studs) are suppose to torqued to 70 lbs.ft.!!
the factory head bolts are 22 lbs.ft. Does anyone know what the torque spec is for the 5 top nuts?

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Feb 3, 2007 | 08:29 PM

#2

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it's 22 ft-lbs

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Feb 3, 2007 | 08:39 PM

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yes, it's 22 for the little ones. remember to torque the big ones in sequence, 30,50 then 70ftlbs.

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Feb 3, 2007 | 08:47 PM

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well them assh*les said 70ftlbs. on all bolts and i think it started to pull the treads out of one of the top threads

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Feb 3, 2007 | 11:57 PM

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Yeah 70 on the top ones isn't good.

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Feb 4, 2007 | 12:55 AM

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and use the lube, not oil

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Feb 4, 2007 | 10:59 AM

#7

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Who at ARP told you that ****?? It says right in their product catalogs tech data that for that size nut/stud you only torque to 22.

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