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Re: [GMCnet] OEM vs Alcoa lug nuts [message #265472 is a reply to message #265466] Tue, 04 November 2014 23:54 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
Senior Member
Those that know the difference in the two nuts ar correct.
The original ones had friction at the outside diameter that required higher
specs.
The Alcoa design has a rotating washer that spin at a smaller diameter so
the torque need not be high.

On Tue, Nov 4, 2014 at 8:04 PM, Dennis Sexton wrote:

> Just an observation -- if you have a GMC dually and add Alcoa wheels, the
> inside rear wheels and spare are still steel.
> Do you think they recommend you carry two style lug nuts?
>
> Dennis
>
> USAussie wrote on Tue, 04 November 2014 21:49
>> Bruce,
>>
>> Good point, IIRC the hub to disk / drum bolts are 1/2" x 13 and the
> wheel studs are 9/16" x 18.
>>
>> Regards,
>> Rob M.
>>
>> -----Original Message-----
>> From: Gmclist [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of
> Bruce Hislop
>>
>> I'm not an Engineer, but I find it interesting that it takes 8 big-ass
> bolts in an 8" diameter to hold a wheel on.... but that same
>> wheel's axle is held to the bogey by 4 much smaller bolts set in about a
> 4" diameter.
>>
>> Just saying..
>>
>> --
>> Bruce Hislop
>> ON Canada
>> 77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
>> Hubler 1 ton front end
>> http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
>> My Staff says I never listen to them, or something like that
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>
> --
> Dennis S
> 73 Painted Desert 230
> Germantown, TN
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
 
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