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Lugnut torque ??

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Old Nov 17, 2007 | 06:38 PM
  #1  
Zephyr's Avatar
Zephyr
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Lugnut torque ??

My book says the lugnut torque on stock alum wheels with the 2 piece washer type lugnuts is 150lbs.

I put on new wheels with an acorn style lug nut & a friend at work is trying to tell me that I should not torque them to 150, only around 90.

I think it should still be 150, What do you all think??
 
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Old Nov 17, 2007 | 06:53 PM
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guzzle92
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Neither ... 165 ft/lbs

https://www.ford-trucks.com/forums/5...-for-f250.html
 
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Old Nov 17, 2007 | 07:03 PM
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Cool thanks ,,,,,,,,,,,, guess I should know better than trust a cheeap Haynes book.
 
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Old Nov 17, 2007 | 08:53 PM
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ernesteugene
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Originally Posted by guzzle92
1) That's an old spec. Ford sent a notice to all registered owners, Doc # F81A-17A083-GC, which changes the old 165 ft-lbs to 140-155 ft-lbs. 2) However, this new spec is for the stock flat washer type lug nuts, not for the acorn style lug nuts like I've got on my 5er. 3) My 5er spec is 95 ft-lbs, and if I were to torque those to 165 ft-lbs the acorn style lug nuts would probably crush the wheel and it would fail short order! There's too much stress concentration to torque acorn style lug nuts that tight, IMO!
 
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Old Nov 17, 2007 | 09:46 PM
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Didn't read the original post correctly, now I see we are speaking of AFTERMARKET rims and the 165 ft/lbs would be too much for these acorn type of nuts. That much would probably end up cracking the rim over time.

I will stick to the 165 ft/lbs on the original washer type of lug nuts on my truck (using a drop of oil between the net and washer) since the newest shop manuals used by Ford dealers still spec 165 for loaded trucks; 155 otherwise.
 
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Old Nov 17, 2007 | 10:59 PM
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Either way, they require more torque than a Honda makes!
 
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Old Nov 17, 2007 | 11:03 PM
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I am my own torque wrench!
 
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