S2000 Under The Hood S2000 Technical and Mechanical discussions.

Head Stud Torque

Old Jul 19, 2008 | 10:04 AM
  #1  
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Thumbs up Head Stud Torque

So Im rebuilding my engine and Im ready to put the head back on. Simple enough. Problem:

I ordered ARP head studs. The instructions say to torque the studs to 80.

The manual says:

Tighten the cylinder head bolts in sequence to
29 N m (3.0 kgf.m, 22 lbf ft). Use a beam-type
torque wrench. When using a preset-type torque
wrench, be sure to tighten slowly and do not
overtighten. lf a bolt makes any noise while you are
torquing it, Ioosen the bolt and retighten it.

Turn the bolts 3 times (new) at 90 degrees per turn.

So which do i go with????
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Old Jul 19, 2008 | 01:17 PM
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go with arp instructions since it's not honda bolts, i think the ARP's are 2 steps if i remember.
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Old Jul 19, 2008 | 09:51 PM
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It just says torque to 80 if you use the ARP moly lube or 120 it you use motor oil.
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Old Jul 20, 2008 | 06:54 AM
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Use the ARP instructions. They designed the bolt they know whats good
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Old Aug 12, 2008 | 10:45 AM
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Use 80 mine is apart right now cuz i didnt enough said
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