RE: [Chrysler300] Radials on older rims

["Rich Barber" <c300@xxxxxxx>]

This is chilling news as I believe the Motor Wheel wheels on my 1955
Chrysler C-300 have been rechromed.  Motor Wheel may have chromed their rims
in a manner so as to minimize or eliminate H2 embrittlement, but Joe Blow's
Chromeshop's capabilities and care are big questions.  I believe there is a
process to drive out H2 after plating--possibly heat treating?  Also, as a
pipeline engineer, I recall that different alloys of steel have differing
susceptibility to H2 cracking and that the environment can impact the
probability of failure.  Clean dry wheels may perform different than those
exposed to salt water.

It would be valuable input to this dialog to confirm whether the failed
wheel was a Kelsey Hayes (doubtful) or Motor Wheel (more likely) and what
kind/size tire was mounted.  The Motor Wheel brand name is stamped on the
inner surface of the wheel (tire has to be off to view) and Motor Wheel
wheels have 48 spokes.  I believe Kelsey-Hayes brand wheels had 4-8 more
spokes.  It is a common, but erroneous, assumption that the spoke wheels on
Chryslers are Kelsey Hayes.  It is also likely that the metallurgy and
fabrication processes of the two brands of wheels is similar.

C-300'ly,
Rich Barber
Brentwood, CA
1955 Chrysler C-300 (At least the spokes are stainless steel)

-----Original Message-----
From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of choochooch@xxxxxxx
Sent: Saturday, January 27, 2007 8:14 PM
To: tomlin@xxxxxxxxx; Chrysler300@xxxxxxxxxxxxxxx
Cc: awrdoc@xxxxxxxxx
Subject: Re: [Chrysler300] Radials on older rims

I too have had a wheel come apart. One of my Kelsey Hayes wire wheels on
the 
C-300 came apart while cornering (fortunately at low speed). The strange  
thing is that it looked great front and back and when re-chromed a few years

ago,  no one reported problems. While my experience makes me  wonder about
these 
order wheels generally, it didn't appear to be related  to tire type.  




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