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Old 09-18-2015, 09:25 PM   #11
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It says "Always use the wheel manufacturers recommendation." But what is that??
It says "Always use the wheel manufacturer’s recommendation but do not exceed 120 ft/lbs on 1/2" studs. Never exceed the wheel manufacturer specifications."
Yeah, that's what I said. But what IS the manufacturers specifications?

No one seems to know.
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Old 09-19-2015, 04:47 PM   #12
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I have a spec sheet from HiSpec who makes my aluminum wheels and it says to torque between 90 and 120 ft-lbs. for 1/2" studs.
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Old 09-19-2015, 05:07 PM   #13
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It isn't the stud but fundamentals of wheel design...
Doesn't matter what wheel you use or the wheel design, stud torque is stud torque and a 1/2" stud has a max of 120lb/ft of torque. PERIOD!!!
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Old 09-19-2015, 05:15 PM   #14
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There can be a tq difference between steel and aluminum wheels.


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Old 09-20-2015, 12:53 PM   #15
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There can be a tq difference between steel and aluminum wheels.
Explain that please how the stud/lugnut knows the difference if you are torqueing to 75% proof load of the stud. Steel wheels will seldom require re-torqueing to seat while alum wheels will usually require 2-3 re-torqueing to finally seat, but the torque requirements of the stud remain constant.
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Old 09-20-2015, 03:06 PM   #16
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The steel wheel will deflect while torquing. Alum will not.
Steel wheels will use a acorn nut and alum will have a shoulder.




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Old 09-20-2015, 03:13 PM   #17
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The tq specs for my wrangler.
Just as an example.


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Old 09-20-2015, 03:14 PM   #18
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The steel wheel will deflect while torquing. Alum will not.
Steel wheels will use a acorn nut and alum will have a shoulder.
Steel wheels on my truck, but no acorn nuts, alum wheels on trailer and no shoulders, both sets of lug nuts are chamfered on one side and flat on the other. Regardless, the wheels do NOT change the torque spec on the studs is all I'm trying to get across.
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Old 09-20-2015, 03:18 PM   #19
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Attachment 89375

The tq specs for my wrangler.
Just as an example.
Kenny, it still doesn't change the max torque on a 1/2" wheel stud. Different torques for different applications, but it DOES NOT CHANGE the MAX stud torque.
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Old 09-20-2015, 03:20 PM   #20
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The log nuts on my alum wheels are just a tapered type compression style like any steel wheel
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