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Torque Specs for rotor hats

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Torque Specs for rotor hats

Post  87-944S on Sun Jul 18, 2010 7:37 pm

I have some aluminum rotor hats for my 993TT rotors to replace the steel ones. Does anyone know the torque specs for the bolts that hold the hats to the rotor? Can't seem to find it. Thanks.

87-944S

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Re: Torque Specs for rotor hats

Post  xschop on Mon Jul 19, 2010 8:12 am

What are the bolt sizes? If you can't find the info. Just torque to the same torque value that Wilwood uses for their hats and use Blue Loctite.

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Re: Torque Specs for rotor hats

Post  948 on Mon Jul 19, 2010 10:55 am

This mentions 17 Lb-ft??
http://forums.pelicanparts.com/porsche-911-technical-forum/422757-brake-bolt-torque-affirmations.html

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Re: Torque Specs for rotor hats

Post  87-944S on Mon Jul 19, 2010 7:16 pm

Thanks guys, I'm seeing conflicting numbers the one on Pelican says 5NM (3.7 ft-lbs). Found a post on ****list that states the Porsche manual says 6 ft-lbs, but you shouldn't mess with them. These are from Lindsey, and they would not give me a spec, basically said I ws on my own. The bolts are 6mm, I'm still looking for the Wilwood specs.

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Re: Torque Specs for rotor hats

Post  87-944S on Mon Jul 19, 2010 7:31 pm

Found the Wilwood specs, they use 5/16 bolts (~8mm) conflicts here too, the Wilwood kit says 85 inch-lbs (~7ft-lbs), and the rotor bolt kit says 150 inch-lbs (~12.5 ft-lbs). Looks like the 6 ft-lb for the Porsche 6mm bolts sounds about right to me. Thanks,

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