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RE: Lug nut material?

To: Bill Dalton <bill@daltonstudios.com>,Spridgets <spridgets@autox.team.net>, team-thicko@autox.team.net
Subject: RE: Lug nut material?
From: Ron Soave <soavero@yahoo.com>
Date: Wed, 22 Feb 2006 18:59:32 -0800 (PST)
Delivered-to: mharc@demo.fatchancegarage.com
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In-reply-to: <EFECKNJDDGCMAEPOAKAPIEKECEAA.bill@daltonstudios.com>
Reply-to: Ron Soave <soavero@yahoo.com>
Sender: owner-spridgets@autox.team.net
Good thought - I do have access to a Rockwell hardness
checker.  I could check stud hardness, then choose
material.  Being a Boss Mustang guy, try not to laugh
- these are Spridget 3/8 studs torqued to 40 ft-lbs (I
may go up to 7/16 finally). FYI - while I admit to run
a die over a wheel stud in a pinch, I think the
threads are rolled and really shouldn't be cut in any
way.  But then again, you big-bore guys use impact
wrenches to adjust your points, so you've got more
margin than we Spridget guys do.

--- Bill Dalton <bill@daltonstudios.com> wrote:

> I would suggest something that is softer than the
> studs so that the lug nuts
> would deform first. On the Ford Mustang the threads
> are 1/2-20UNF. I used to
> torque mine to 110 ft-lbs which is the max for
> unlubricated thread and I
> would find that every winter I had to re-tap the
> nuts and I would run the
> die down the studs. I backed off 5 ft-lbs at a time
> until I found at 95
> ft-lbs I didn't have to do either. These lugnuts are
> the stock appearing
> deep acorn nuts available at good parts stores. At
> about 100 ft-lbs I didn't
> have to run the die down the studs, but above that I
> threw away about 5 of
> the 20 every winter, but never had to replace a
> stud. They were definitely a
> tougher, higher strength material than the nuts. I
> would use the 4140 unless
> it is harder than your studs.
> 
> Bill
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