[DeTomaso] Stress-relieving Rims

Sun Aug 18 14:32:15 EDT 2013

Yep. it's called throw them away and buy a new set at thousands$

At least the ones i have dealt with.

>
>  Mike,
>
> Aren't aircraft wheels made of magnesium?   I would assume they are
> subject to some pretty good abuse so that begs the question if there is a
> maintenance requirement to stress relieve them after so many landings.
>
> Tom
> 5186
>
>
>
>
>
> -----Original Message-----
> From: Mike Drew <MikeLDrew at aol.com>
> To: Scott Bell <scott at saccrestorations.net>
> Cc: <detomaso at poca.com> <detomaso at poca.com>
> Sent: Sat, Aug 17, 2013 11:13 pm
> Subject: Re: [DeTomaso] Stress-relieving Rims
>
>
> I have only heard of a few failures and all of them were after a violent
> encounter with a pothole or something like that. My coffee table Campy is
> one
> such example as it has a hairline crack that prevents it from holding air.
>
> But I find the notion that a standard Campy wheel is somehow fragile to be
> ridiculous.
>
> Mike
>
> Sent from my iPhone
>
> On Aug 17, 2013, at 0:14, "Scott Bell" <scott at saccrestorations.net> wrote:
>
>> Why is this needed? Are people having problems with Campy rims breaking?
>>
>> -----Original Message-----
>> From: detomaso-bounces at poca.com [mailto:detomaso-bounces at poca.com] On
>> Behalf
> Of Stephen Nelson
>> Sent: Friday, August 16, 2013 12:20 PM
>> To: detomaso at poca.com
>> Subject: [DeTomaso] Stress-relieving Rims
>>
>> Will stress-relieving original Campy rims at 375 F damage the original
>> paint?
>>
>>
>>
>> Stephen Nelson
>>
>>
>>
>> SNClocks.com <http://www.snclocks.com/>
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>>  _____
>>
>> From: MikeLDrew at aol.com [mailto:MikeLDrew at aol.com]
>> Sent: Wednesday, July 03, 2013 3:36 PM
>> To: steve at snclocks.com
>> Cc: detomaso at poca.com
>> Subject: Re: [DeTomaso] Rim Offsets
>>
>>
>>
>>
>> In a message dated 7/3/13 9 29 36, steve at snclocks.com writes:
>>
>>
>>
>>
>>
>>
>> Mike - thanks for the extensive comments.  I do plan to drive 5332 for a
>> while, get used to it and see how it all hangs together.
>>
>> Right - scrub radius.  As I understand it, increasing scrub radius makes
>> it
>> easier to park the car but more sensitive to external forces acting on
>> the
>> tires when rolling down the highway - like uneven brake application.
>> Oh,
>> and "excessive" scrub requires more steering effort when going down the
>> road
>> and increases the "feel" of the steering.
>>
>> In my feeble brain, if the inside of the rim is at the same place with
>> both
>> 7 and 8 inch wide rims,
>>
>>
>>>>> ...which it's not...
>>
>>
>>
>>
>>> well, going to an 8 inch rim increases scrub radius by a quarter inch.
>>> Of
>> course, I don't know that inside edge of 7 and 8 inch rims are at the
>> same
>> point.  But, since you indicate that the 8 inch rims improve handling, I
>> assume this means that the offset is increased a bit.  You indicate that
>> increasing scrub radius improves handling - does that include reducing
>> tramlining?  Or am I really just asking too nit-picky of questions?
>>
>>
>>>>> You're absolutely asking too nit-picky of questions...but that's why
>>>>> we
>> are all here.  We love this stuff! :>)
>>
>> The outside of the wheels is in the same place.  The 8-inch wide wheels
>> are
>> one inch wider on the inside.  If the tire size is the same (that is,
>> you
>> take a tire off the 7-inch wheel and put it on the 8-inch wheel), the
>> center
>> of the tire is moved inboard by 1/2 inch.  That makes a fair difference.
>>
>>
>>
>>
>>> From your e-mail I conclude that a set of four 8 inch wide original
>>> rims
>> is the way you would recommend for my situation - if the Coddingtons
>> leave
>> me feeling like I would want to make a change?
>>
>>
>>>>> Yes, although it will be difficult to buy a set of four, 8-inch
>>>>> wheels.
>> You might wind up buying two sets of 7s and 8s to get there, and then
>> selling the 7s to some Mustang guy.  Alternately, the easy solution
>> would be
>> to just buy one set and put them on the car.
>>
>>
>>
>>
>>> Which Coddingtons.  The gentleman who put them on told me that they
>>> were
>> special, an early set with a flat center section instead of the dished
>> shape
>> of the later ones.  This apparently requires unusual lug nuts which are
>> counter sunk.  I am speaking from my notes here, and will have to see
>> what I
>> can figure out when Passport drops it off this afternoon.
>>
>> See what you think.
>> <http://www.provamo.com/Members/Registry/RegistryImages/RTHPNNU05332/RTHPNNU
>> 05332.asp>  5332
>>
>>
>>>>> That is a VERY nice-looking car!  I assumed you were speaking about
>> Coddington's Campagnolo clones, as opposed to these, rather more generic
>> (but very striking) wheels.
>>
>>
>>
>>
>>> Looking at the pictures one more time, I will have to see how it drives
>>> and
>> rides.  You are right - gads, good looking rims.
>>
>>
>>>>> Yes, these look quite good indeed.  My earlier comment was that their
>> current-production Campagnolo wheels are revolting to look at...but
>> these
>> are a completely different story.
>>
>> I think when you drive the car, you will quickly get used to it and
>> enjoy
>> it.  There's a lot to be said for having a lot of traction and feeling
>> planted in the corners, rather than skating around as you would on
>> old-school, low-tech tires.
>>
>> Mike (who skates around on old-school, low-tech tires....)
>>
>>
>>
>>
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