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Re: [GMCnet] OEM vs Alcoa lug nuts [message #265776 is a reply to message #265402] Mon, 10 November 2014 11:12 Go to previous messageGo to previous message
Bob de Kruyff   United States
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
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Senior Member
bdub wrote on Mon, 03 November 2014 20:07
Seems to me there's no difference except for the rotational friction. Why
not, Bob? If it works on aluminum, why not steel?

bdub


-----Original Message-----
From: Gmclist On Behalf Of Bob de Kruyff
Sent: Monday, November 03, 2014 8:40 PM

midlf wrote on Mon, 03 November 2014 10:59
can Alcoa lug nuts be used on a steel wheel?

--------------
From an engineering standpoint these lug nuts have very different clamp
mechanisms. My answer is absolutely not. I suppose super glue may work but i
sure wouldn't do it!



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We have a tool here at work that can measure actual clamp force of lug nut and wheel designs and materials. The nut and wheel surface and contour have to be designed as a system. The Alcoa nuts will interface on a different part of the steel wheel than the originals. Any deflection of the portion of the wheel that the lug nut sits on will cause a big loss of clamp force over time. On the Alcoa wheel that part is flat--on the steel wheel it is not--at least on the wheel I still have left.


Bob de Kruyff
78 Eleganza
Chandler, AZ
 
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