INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

arp torque specs

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Old Oct 18, 2011 | 08:28 PM
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Default arp torque specs

I have arp rod bolts and head studs for my 5.3 I need tourqe specs for them please
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Old Oct 18, 2011 | 09:15 PM
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Originally Posted by bad cutt
I have arp rod bolts and head studs for my 5.3 I need tourqe specs for them please
I want to say 70ftlbs on the rod bolts
I know on my lunati rods we had to use a bolt stretch gauge so the tq was a little different on each one
I know the studs you put in hand tight and do a 3 step tq on the nuts
I did 35/50/70 with arp moly lube
it may be different if you use oil instead of moly
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Old Oct 18, 2011 | 09:35 PM
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ARP head stud kit
1st Pass 30 lb-ft
2nd Pass 50 lb-ft
3rd Pass 80 lb-ft

ARP intake row flange bolts
Final pass 23 lb-ft

That's according to my "how to build and modify GM ls-series engines" book, it don't have ARP torque # for rods though . Here is what it says for OEM rod bolts,

Early OEM rod bolts(pre 2000)
1st pass 15 lb-ft
2nd pass 60*

Late OEM rod bolts(post 2000)
1st pass 15 lb-ft
2nd pass 75*

LS7 OEM rod bolts (06+ titanium rods)
1st pass 15 lb-ft
2nd pass 110*
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Old Oct 18, 2011 | 11:37 PM
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Ever tried ARP webpage? Google?
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Old Oct 20, 2011 | 09:50 AM
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ARPinstructions.com | Kit Instructions and Torque Values

Enter the item number, and it'll give you the full instructions including torque specs
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