RE: [Chrysler300] 300F Tire questions - again!

["Bob Jasinski" <rpjasin@xxxxxxxxxxx>]

Tony, 
 
With all due respect, your opinion on running radials on older cars with
original wheels is not universally held.  In fact I just did online research
looking at several sites including Coker, the Imperial Club, Wikipedia and
others and am not finding adequate reason to worry about running radials on
my 300G, as I have for 24 years with no problem.  Yes, metal can fatigue and
wheels can fail, but they can fail with bias ply tires too.  Wheels and
suspension components need to be inspected and repaired as needed as part of
normal maintenance on our old cars to keep them safe regardless of the type
of tire used.
 
The first 5 years I drove my 300G I had bias ply tires on the car.  When I
changed to radials in 1985, I could not believe the difference in handling.
The road feel was much better, the control through turns, getting on and off
the freeway without the tire following the separations in the concrete in
the road surface was very noticeable.  When you say, they will "flex too
much at high speeds" what is causing the flex?  I can see that they may flex
more in a hard turn, but why at high speeds going down the freeway?  What
would cause them to flex?  
 
The original 15" wheels used on the 300G were also used on trucks, police
cars and station wagons, all meant for heavy duty applications.  I don't
race my car, I pleasure cruise with it and push it when I get on or off the
freeway, that's about it.  I really don't see the problem as severe as you
make it out to be, but I will acknowledge that our cars are all getting
older, and replacing the wheels with a newer build is a prudent course of
action to enhance safety.
 
Bob J

  _____  

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
Behalf Of Anthony Rinaldi
Sent: Wednesday, August 12, 2009 5:38 AM
To: edward1108@xxxxxxxxx
Cc: cpaviper@xxxxxxxxxxx; ryan_hillc300@xxxxxxxxxxx;
chrysler300@xxxxxxxxxxxxxxx
Subject: RE: [Chrysler300] 300F Tire questions - again!


  

These wheels were built for bias ply tires. Once radials are put on them
they will flex too much at high speeds. Of course age and usage make the
condition worse. 

Tony

Val Jeffers wrote: 
>   
> So you don't ever want to mount new radials on the old wheels ? 
>   
>
Val Jeffers 
>                                                                   In
Almost Heaven WV ! 
> --- On Tue, 8/11/09, Ryan Hill < ryan_hillc300@ hotmail.com > wrote: 
> From: Ryan Hill < ryan_hillc300@ hotmail.com > 
> Subject: RE: [Chrysler300] 300F Tire questions - again! 
> To: awrdoc@yahoo. com , cpaviper@comcast. net 
> Cc: "Chrysler 300" < chrysler300@ yahoogroups. com > 
> Date: Tuesday, August 11, 2009, 1:35 PM 
>   
> Just a quick observation regarding the failure of original steel wheels
with or without radials. 
> It seems to me that these failures have far more to do with fatigue and
usage than age or design themselves. I would bet a high milage 50 year old
set of wheels that have been exposed to high temperatures, flexing
(fatigue), and no doubt some degree of corrosion over the course of a half
century are more likely to fail than the same wheel that has low or no
milage, regardless of the tire mounted on it. I'd be looking to build sets
from all those spare tire rims that have barely been used. 
> Ryan Hill (Vancouver, B.C.) 
> '65 Chrysler 300 
> '68 Dodge Charger 
> To: cpaviper@comcast. net 
> CC: Chrysler300@ yahoogroups. com 
> From: awrdoc@yahoo. com 
> Date: Tue, 11 Aug 2009 05:23:43 -0700 
> Subject: RE: [Chrysler300] 300F Tire questions - again! 
> Sorry, regarding the wheels themselves the original wheels flex too much
for radial tires and are an accident waiting to happen. With all due respect
to those who empirically swear that they have been running new radialds on
old wheels for many a year I am happy that they are still on this planet and
have not been involved in a catastrophic failure of an original wheel at
high speeds. They should be playing the lottery with such good luck. 
> We are lucky that Stockton Wheels can make a modern replacement wheel that
looks OEM for our 14&quot; wheels. 
> cpaviper@comcast. net wrote: 
>> 
>> After reading the Club emails over the past few years discussing tires -
I'm still trying to zero in on what to buy for our F Coupe. 
>> Re Coker, I'm still hearing issues - just about every Coker-related
message talks to problems with balancing, and that they've hopefullly
resolved their structural integrity issues. Re American Classics, their
website gives no info - just refers to Coker, Universal, Lucas as
distributors. Comparing the Coker and American Classic P235/75R14s, the load
capacities, tread widths, section widths and overall diameters are identical
- only Co ker catalog's UTQG (Uniform Tire Quality Grade) ratings differ
between the 2 "brands " (American Classic's 540BB rating is apparently
better than Coker's 400BB rating) and the Coker tire price is a few bucks
more. Sounds like we're still unclear whether American Classic and Co ker
are one and the same tire - the tread patterns in the catalog photos appear
identical. 
>> I called Diamond Back this morning and spoke with one of their sales
reps, Jim. He advised that there's no current maker of a quality P235/75R14
tire today - could be a dig against Coker? He did say that they're working
on a 75 series 14" radial that will approximate the tire size we're all
looking for. They just received their first test version of it, are were not
at all pleased - he estimates that any such tire won't be ready to market
until next summer [2010] or later. 
>> He did offer up the following suggestion, and I'm wondering if any of you
have tried this. Diamond Back sells a European Metric tire that's also used
on vans and light trucks, and that he says works very well in automotive
applications. He says handling and road noise are very good. The tire's
height is 27.3", vs Coker's 27.87"; tread width of 6.3" is the same as
Coker's; cross-section of 8.5" is 3/4" narrower than Coker's 9.25"; it's a
6-ply tire rated at 2464# vs Coker's 1930#, is manufactured by Federal, and
it replaces 225/75R14 - is described on Page 6 of their 2009 catalog. The
tire does come in a 2 1/2" wide whitewalls. 
>> Is anyone out there running these tires? Or had any experience with them?

>> And there's also the continuing debate re installing new rims. Diamond
Back's website quotes the 12/6/07 Old Cars Weekly article that we saw on our
Club website a few months back, and says the claim is bogus, that there's no
alloy difference, and no markings on rims to indicate use with bias or
radial tires. DB's argument in fact states that radials absorb more impact
and are therefore less stressful on rims than are bias ply tires. Any new
thoughts on this, as we're still running the original 1960 rims on the F? 
>> Th anks for your input, and apologies for again bringing up an old topic
! 
>> Noel Hastalis 
>> Burr Ridge, IL 
>> And there's also the continuing debate re installing new rims. Diamond
Back's website quotes the 12/6/07 Old Cars Weekly article that we saw on our
Club website a few months back, and says the claim is bogus, that there's no
alloy difference, and no markings on rims to indicate use with bias or
radial tires. DB's argument in fact states that radials absorb more impact
and are therefore less stressful on rims than are bias ply tires. Any new
thoughts on this, as we're still running the original 1960 rims on the F? 
>> Th anks for your input, and apologies for again bringing up an old topic
! 
>> Noel Hastalis 
>> Burr Ridge, IL 
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