[Chrysler300] 300F Tire questions -More info, no conclusions.

["Knutsen, Mark C" <Mark.Knutsen@xxxxxxxxxxxxxxxxxxxxx>]

The Diamond Back Tire catalog has an article concerning this subject.

 

http://www.dbtires.com/2009_wide_white_wall_catalog/wide_white_wall_cata
log_lo.pdf

 

The article is on page 33.

 

-Mark Knutsen

A soon to be finished 300G that has not moved since 2004.  (No seats
since 2005)

________________________________

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx]
On Behalf Of lettercars@xxxxxxx
Sent: Wednesday, August 12, 2009 12:17 PM
To: ronbo97@xxxxxxxxxxx; awrdoc@xxxxxxxxx; cpaviper@xxxxxxxxxxx
Cc: Chrysler300@xxxxxxxxxxxxxxx
Subject: Re: [Chrysler300] 300F Tire questions - again!

 

  

Yes, the Universal American Classics. ---Gil


In a message dated 8/12/2009 12:41:40 P.M. Eastern Daylight Time, 
ronbo97@xxxxxxxxxxx <mailto:ronbo97%40comcast.net>  writes:

Gil -

When you refer to Universal AC, are you talking about American Classics
?

Ron

----- Original Message ----- 
From: <lettercars@xxxxxxx <mailto:lettercars%40aol.com> >
To: <awrdoc@xxxxxxxxx <mailto:awrdoc%40yahoo.com> >;
<cpaviper@xxxxxxxxxxx <mailto:cpaviper%40comcast.net> >
Cc: <Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com>
>
Sent: Wednesday, August 12, 2009 12:02 PM
Subject: Re: [Chrysler300] 300F Tire questions - again!

> Tony, Noel and All:
> Gil Cunningham here. I sure wish I could report all was well with my
> Universal AC tires, but, unfortunately such is not the case. As Tony
> mentioned, while up in PA at the meet I stopped by the Universal Tire 
> place in
> Hershey because their tires I had mounted and balanced here in 
Tallahassee 
> did
> not ride as smooth as I felt they should. There were far more 
"vibration"
> areas than with the 30 something year old B.F. Goodrich Silvertowns
that 
I
> had used to attend four meets. (Given to me by member Terry 
McTaggart!) 
> Of
> course, those were bias ply tires---if that should matter. I must
state
> that the Universal people were extremely willing and anxious to help. 
No
> complaints in that department at this time. They ended up changing out

3 
> of
> the 4 new tires (1000+ miles on them), mostly because the sidewalls
did 
> not
> look right. (raised areas, both radially and circumferentially. .I
> personally watched all zero out on the balancer. They even took the 
> precaution
> to put the two which showed a little run-out on the rear. I worked 
along
> with them.
> On the way back to our hotel, I did feel there was definite
improvement,
> especially at highway speeds. On the way back to Florida, however, it
> became increasingly evident that the vibration, if anything, was worse

in 
> the
> mid-speed ranges, and was most noticeable and annoying when the road
was
> smoothest! Definitely unacceptable, and far worse than that SET of 
> radial
> tires I bought for the 300H at Discount Tire many years ago for $95.00

> (Plus
> tax, of course!) That is not a typo---$95.00!! They have served very 
> well
> while driving to many meets and hardly look worn.
> Anyway, that is my story. I called Universal after we arrived home and
> explained the situation, but did not ask for anything specific, and 
> nothing
> was offered. I have not driven the car since, so don't know if some
> miraculous "healing" has taken place while it has been resting. Ha. 
I 
> guess I
> will give it another test drive and then write Universal a letter. 
What 
> to
> ask for? Coker replacements? Afraid of them yet. My B.F.G.s are 
long 
> gone
> (worn out anyway). Maybe another balance? Go back to bias? Don't 
know.
> So no, I can't recommend Universal ACs I am sorry to say. They do 
look
> great. Makes me wish the car was a trailer queen--- then I wouldn't 
> care.
> 300ly, Gil
>
>
>
> In a message dated 8/11/2009 8:04:08 A.M. Eastern Daylight Time,
> awrdoc@xxxxxxxxx <mailto:awrdoc%40yahoo.com>  writes:
>
> There are well over 100 sets of Coker 235/75R14 on our cars today.
> Generally, they require alot of lead to balance. They have not been
any 
> of the
> other problems that have been associated with other size Coler tires.
>
> The ride and steering on mr &quot;F&quot; conv have been great at all
> speeds. My only problem recently was after having the tires rotated 
front 
> to
> back. Radial pull occurred and had to swap the right to the left to 
have 
> the
> car track straight again.
>
> The American Classic tire is not the same. Actually it&#39;s tread is
oh
> so 70&#39;s Michelin and exremelt handsome.
>
> I personally had to get the 100 pre sell orders in order to get Coker
to
> make this size. With that said, I would prefer the looks of the AC
tire 
as
> my next choice.
>
> Hope Gil Cunningham chimes on on this discussion since he recently put
a
> set of AC on his &quot;F&quot; conv and drove from FL to PA and back.
He
> reported some vibration at high speeds and had a couple of tires 
swapped 
> out
> at an AC dealer in Hershey PA.
>
> Hope Gil will report whether or not the AC are performing well and if
he
> would recommend them.
>
> Tony
>
> cpaviper@xxxxxxxxxxx <mailto:cpaviper%40comcast.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
>> [Non-text portions of this message have been removed]
>>
>
>
>
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