In using the die on the studs, it never ran down hard, so I don't believe it
was actually cutting on the studs' threads, but rather was cleaning out the
left over fragments of the lug nut. Matter of fact the normal way was to put
the die in a socket and turn it by hand, once in a while maybe needing a
speed handle to get past a spot.
I don't laugh at 3/8 studs on Sprites, they don't have enough torque to
worry about. I do laugh at 7/16 OEM studs on the era's Corvettes. I can't
remember how many Corvettes I have dragged in on the hook who didn't change
the studs to 1/2" and lost a rear wheel.
I personally don't use the impact wrench on the points technique because I
never figured out how to get the impact wrench on without taking the
distributor out of the car, and that just made more work.
Bill
-----Original Message-----
From: Ron Soave [mailto:soavero@yahoo.com]
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.
>
> Bill
Tired of spam? Yahoo! Mail has the best spam protection around
--
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.1.375 / Virus Database: 267.15.12/266 - Release Date: 2/21/2006
--
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.1.375 / Virus Database: 268.0.0/267 - Release Date: 2/22/2006
/// unsubscribe/change address requests to majordomo@autox.team.net or try
/// http://www.team.net/mailman/listinfo
/// Archives at http://www.team.net/archive/team-thicko
|