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RE: Lug nut material?

To: "'Ron Soave'" <soavero@yahoo.com>,"'Bill Dalton'" <bill@daltonstudios.com>,"'Spridgets'" <spridgets@autox.team.net>,<team-thicko@autox.team.net>
Subject: RE: Lug nut material?
From: "Wm. Severin Thompson" <wsthompson@thicko.com>
Date: Wed, 22 Feb 2006 21:21:47 -0600
Delivered-to: mharc@demo.fatchancegarage.com
In-reply-to: <20060223025932.29049.qmail@web30509.mail.mud.yahoo.com>
Reply-to: "Wm. Severin Thompson" <wsthompson@thicko.com>
Sender: owner-spridgets@autox.team.net
Thread-index: AcY4JngC2pvAFQfqQqGti+PCcf5ZSAAAOeEw
I've had 3/8th, 7/16ths, and even 1/2 studs on race Sprites over the years.

I've run wheels with shouldered nuts like those used on American Racing
mags, and the tapered style on Minotaurs.

Never broke the 3/8ths in 15 years of racing though. Many go to 7/16ths just
because they're easier to find.

-----Original Message-----
From: owner-team-thicko@autox.team.net
[mailto:owner-team-thicko@autox.team.net] On Behalf Of Ron Soave
Sent: Wednesday, February 22, 2006 9:00 PM
To: Bill Dalton; Spridgets; team-thicko@autox.team.net
Subject: RE: Lug nut material?

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.

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