No more for me...

huh!?!? dude dont take offense to that, it was a quote that should answer your question of a previous statement....
What doesnt make sense?
Yes
Damn those 7Ms...j/k

The studs were brand new...thats hard to understand? I bought them and put them in during the engine rebuild. Ive read about them losing thier torque after a while and at the 500 mile mark I was gonna retorque them and change oil and filter but it didnt make it.
 

IJ.

Grumpy Old Man
Mar 30, 2005
38,728
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I come from a land down under
Sometimes there can be a sticky spot in the threads you screw a stud in it stops feels fine but soon as the motor warms up the stud moves a touch and you get a loose nut....

Also Cometic recommend that new hardware be retourqed which does make sense when you think about it.

When you install Rod or Main studs they're done up and undon a few times while you check clearances not so with head studs.

When I did the retorque thing on mine I found a couple of loose ones and this was on a brand new head and block.

Studs are 12x1.25 mm
 
ok hmm when I was putting in the head studs I was having problems with air pockets in the threads not allowing the studs to go all the way in. When I used a screw driver and hand tighten them I could hear air hissing out of the threads in the anti-seize. I now agree with cometic I think after a couple, like 2, heat cycles the head bolts or studs should be retorqued even if they arent new...which they should be.
 

aye mate

Hiatus over.
Mar 30, 2005
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Glad to hear that, GCSS! When I change my oil tomorrow I'm gonna pop the valve covers off just to check mine...made me a little paranoid even though I did my headgasket about a year ago.
 

bensn8

New Member
Oct 6, 2005
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Guam
I think he means "Loctite". I would not do this. You would have to remove the head bolts one at a time just to apply it and then do the whole retorque over, you risk head warping and such. Just run through the heat cycles and retourqe. But then again thats just my view.
 

Raven97990

Supramania Contributor
Jul 3, 2005
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www.speedforsale.com
Well, a proper installation on ARP head studs is to torque, untorque, torque, untorque, and measure for stretch. Once it has reached full stretch, do your final torque, then reinspect after 5-10 heat cycles...
 

suprabad

Coitus Non Circum
Jul 12, 2005
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Down Like A Clown Charley Brown
I had a similar experience with a non-toyota turboed car years ago. Total rebuild and it smoked white like mad, huge clouds and after 20 miles it went away. Turned out the valves hadn't quite seated and I was getting blow-by. Once the valves got comfy in their seats problem stopped all at once and drove perfect till I sold it 2 years later. For what it's worth.