Wheel Nut Torque Setting American Racing Rims

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    Author Topic: Wheel Nut Torque Setting American Racing Rims  (Read 11067 times)

    Offline slepr1

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    Wheel Nut Torque Setting American Racing Rims
    « on: August 02, 2014 - 11:38:53 AM »
    I have VN515 Torq Thrust II American Racing Rims on my 71 Cuda.   I'm getting different answers for the wheel nut torque setting for the rims.   I've heard 75-110.   Somewhere in between?   Can't seem to nail down a consistent number.   Any help would be appreciated.
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    Offline roadman5312

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #1 on: August 02, 2014 - 11:59:13 AM »
    I always go 85.   :2cents:
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    Offline HP_Cuda

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #2 on: August 02, 2014 - 12:07:13 PM »
    Till they wont come off  :smilielol:

    I usually do 85-90

    B
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    Offline 70CUDA4SPEED

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #3 on: August 02, 2014 - 04:27:09 PM »
    I was told 90.
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    Offline MOPAR FANATIC

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #4 on: August 02, 2014 - 04:30:58 PM »
     :dunno:  I do 100 ft lbs on all my wheels on all my cars or truck.aluminum or steel wheels and never had a problem.  :2cents:
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    Offline edl94

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #5 on: August 02, 2014 - 06:23:31 PM »
    Tighten them till they loosen  :naughty:
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    Offline dodj

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #6 on: August 02, 2014 - 07:04:09 PM »
    I've always gone 90 ft/lbs on my AR wheels. 105 on my steelies.
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    Offline RCCDrew

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #7 on: August 02, 2014 - 08:58:27 PM »

    Quote from: MOPAR FANATIC on August 02, 2014 - 04:30:58 PM
    :dunno:  I do 100 ft lbs on all my wheels on all my cars or truck.aluminum or steel wheels and never had a problem.  :2cents:

    I agree
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    Offline RAMMAN

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #8 on: August 03, 2014 - 09:21:57 PM »
    The factory manual states that the lug nut torque on my 1970 Challenger with the 8 ¾ or the Dana 60 rear differential is 65 ft lbs. I would expect that the Cuda uses the same exact lug studs and that is the weakest link.

    If you over torque you risk stretching and weakening the stud. Once it’s stretched it’s done and it is in fact weakened.

    In contrast the lug nut torque for my 1999 Ram 2500 is 135 ft lbs, so as you can see this is not a universal torque spec.
    « Last Edit: August 03, 2014 - 09:23:48 PM by RAMMAN »
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    Offline ChallengerHK

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #9 on: August 04, 2014 - 12:45:04 AM »
    Quote from: RAMMAN on August 03, 2014 - 09:21:57 PM
    If you over torque you risk stretching and weakening the stud. Once it’s stretched it’s done and it is in fact weakened.

    Actually, you want them to stretch. You need to be in the elastic deformation range, where the studs will spring back to shape when the nuts are removed. If you get into the plastic deformation range, where the studs stay stretched, then you have ruined the studs.
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    Offline challenger_affair

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #10 on: August 08, 2014 - 10:52:06 PM »
    Quote from: ChallengerHK on August 04, 2014 - 12:45:04 AM
    Actually, you want them to stretch. You need to be in the elastic deformation range, where the studs will spring back to shape when the nuts are removed. If you get into the plastic deformation range, where the studs stay stretched, then you have ruined the studs.


    So what torque puts it in the elastic range?  Does it matter whether you're using a steel or aluminum wheel? 
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    Offline ChallengerHK

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    Re: Wheel Nut Torque Setting American Racing Rims
    « Reply #11 on: August 09, 2014 - 05:28:32 AM »
    That's actually a pretty complex question and answer. It's going to depend of the composition of the metal in the wheels and the studs (which determines how far the metal will stretch before giving out), and the surface quality of both (which determines the resistance of the parts to moving against one another), and then a few other fairly minor considerations. Just to add another monkey wrench, torque wrenches, even good ones, can be off by up to 50%, due to wide variations in surface quality and how they affect friction, which is really what a torque wrench is measuring. If you have a wheel and tire specialist that you trust, I would ask them.
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