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+--- Thread: ARP head studs, what torque to do the nuts to? (/showthread.php?tid=21132)
ARP head studs, what torque to do the nuts to? - Paul_13 - 05-02-2014
As title says, what torque do I do the ARP nuts to?
Also what socket do I need for the nuts? It's not an 'E' socket.
Thanks
Paul
RE: ARP head studs, what torque to do the nuts to? - Anton - 05-02-2014
T55 or T65 rings a bell. 100 lbft
RE: ARP head studs, what torque to do the nuts to? - Jimbo - 05-02-2014
Its a 12point socket i.believe
RE: ARP head studs, what torque to do the nuts to? - Tom - 05-02-2014
I think people have said just standard factory torque settings. Should say in your headgasket box/wrapper/thingy.
RE: ARP head studs, what torque to do the nuts to? - Paul_13 - 05-02-2014
might go a bit tighter than standard figures haha
What size 12 point socket? anybody know?
RE: ARP head studs, what torque to do the nuts to? - Chris_90 - 05-02-2014
Zx_volcano told me 100ftlbs and as said it's a 12point socket no idea on size tho would like to no my self so I got one ready
RE: ARP head studs, what torque to do the nuts to? - Tom - 05-02-2014
Im confused, Surely you just try the nut in a socket and if it fits use that one?
RE: ARP head studs, what torque to do the nuts to? - padge - 05-02-2014
molegrips? hammer and chisel?
RE: ARP head studs, what torque to do the nuts to? - Ruan - 05-02-2014
17mm/19mm 12 sided socket isn't it?!
ARPs website tells you as long as you know the size, tensile strength and thread pitch...
Ignore the green, that's not me...
![[Image: tq.jpg]](http://i2.photobucket.com/albums/y20/PerthPurplePenguin/car%20parts/Instructions/tq.jpg)
RE: ARP head studs, what torque to do the nuts to? - Dave - 05-02-2014
(05-02-2014, 09:00 PM)Tom Wrote: I think people have said just standard factory torque settings. Should say in your headgasket box/wrapper/thingy.
Do NOT do these so factory settings, they don't stretch so you will ruin them. I'm sure they are either 95ftlb or 100ftlb when I did mine, zx volcane will be along shortly to clarify I'm sure.
RE: ARP head studs, what torque to do the nuts to? - Tom - 05-02-2014
Heh well there you go kids, dont do everything you read on the internet!
RE: ARP head studs, what torque to do the nuts to? - silverzx - 06-02-2014
So is it 17 or 19mm..?
RE: ARP head studs, what torque to do the nuts to? - zx_volcane - 06-02-2014
Off the top of my head i think its a 16mm 12 sided socket
If you've got a 3/8" set, just try a few multipoints on till you get the right one
ARP recommended torque is 100 ft/lbs
Do them up in 3 stages, ie all to 33, then all to 66 the finally all to 100
Follow standard bolt pattern for tightening sequence
Probably a good idea to check the torque after a couple of heat cycles too.
Always use the arp fastener lube, and clean the threads out in the block with a tap
(05-02-2014, 10:19 PM)Tom Wrote: Heh well there you go kids, dont do everything you read on the internet!
Too right