RE: [Chrysler300] Period correct tires

["Rich Barber" <c300@xxxxxxx>]

Matt:

 

You apparently have a real collector's item.  One member indicated he had
seen them go at $1,000.  I'd sure give the tire a good detergent scrubbing
with a stiff bristle brush, Brillo pad or 3M scrubbing pad the WSW's (don't
use the bleach products as they may do more harm than good on the old tire)
and possibly a complete wipedown with a good tire protectant (again-not
something oily or greasy designed to give that super shine). I look forward
to words, letters, numbers, pictures, dimensions (tread width, tread depth,
cross section width at 30 psi inflation, outside diameter (height when
standing is easiest, circumference may be a more accurate method of
determining OD)-or whatever part of this information you can develop.

 

I have seen some information that suggests the blue circle is actually a
spot to insert a basketball-type inflation needle to inflate the space
between a liner and the inner section of the liner that would be inflated
through the normal valve stem.  The liner was to provide protection against
a complete flat tire, with the space between the liner and tire carcass
losing pressure while the inner liner would remain pressurized and provide
some support and control while slowing from 130-150 MPH.  Any information
you or others might have on this would be appreciated.  I do remember
working on tires like this in the '50's and they were a PIA.  Goodyear or
Goodrich Safety-Liners?

 

Then, I think I'd store the tire and wheel lying flat somewhere cool and dry
until showtime.  Inflated to about 20 psi.  I also suggest you get yourself
another wheel and spare tire for day-to-day use as a driver.

 

C-300'ly,

Rich Barber

Brentwood, CA

1955 Chrysler C-300 (low mileage, but aged Remingtons-no cracks-most time
since new has been inside dry garages, so will continue to use them.  I
know, I know)

1986 Chrysler LeBaron Town & Country Convertible (new set of Fisk(!)
P185/70R14's from America's Tire today.  Finding these narrow (3/4") WSW
tires was also difficult.

 

  _____  

From: MATTHEW OSTROWSKI [mailto:m.ostrowski@xxxxxxxx] 
Sent: Monday, November 05, 2007 5:40 PM
To: cotejohnr@xxxxxxx; c300@xxxxxxx; chrysler300@xxxxxxxxxxxxxxx
Cc: Lettercars@xxxxxxx
Subject: Re: [Chrysler300] Period correct tires

 

John, Rich & group,

I checked the spare in my car today, it is a Good Year Blue Streak and it
sure looks original! This weekend I will pull it out, photograph it and pass
it along to those interested. It sounds like I really don't want to use this
should the need arise. Possibly a second spare for those long rides or a AAA
membership might be advisable.

 

Regards,

Matt O

cotejohnr@xxxxxxx wrote:

Rich,
Don't you mean that the P235/75/15 is closest to the 880X15!  (NOT the
P225/75/15)  I think that the diameter is the most important dimension to
match if your choosing a replacement radial. Also the radial design lets the
car sit a little lower than a bias ply even though the overall diameter is
the same or very close to the same. Been there, done that.
John R. Cote

Guilford, CT.

 

-----Original Message-----
From: Rich Barber <c300@xxxxxxx>
To: 'MATTHEW OSTROWSKI' <m.ostrowski@xxxxxxxx>; 'Chrysler 300 group'
<chrysler300@xxxxxxxxxxxxxxx>
Cc: Gil Cunningham <Lettercars@xxxxxxx>
Sent: Sun, 4 Nov 2007 9:13 pm
Subject: RE: [Chrysler300] Period correct tires

Matt:

I have done some research on this issue with these findings:
Load Tread Cross Outside
Size Rating Width Section Diameter
P225/75R15 1874# 6.30 8.80 28.30
P235/70R15 1896# 7.00 9.50 28.00
P235/75R15 2028# 6.60 9.30 28.90
8.00X15-Coker 1800# 4.75 8.30 29.08
8.00X15-General LR-B 5.35 8.30 29.10 
J78X15 1860# 6.00 8.70 28.72
L78X15 (spec) 1970# 5.88 8.85 29.30
L78X15 (actual) 1970# 6.25 8.75 29.31

The General is a General Dual 90 available from Lucas Automotive.
The L78X15 (actual) is a never used Remington bias-ply tire mounted on a
5.5" Motor Wheel wire-spoke Chrysler rim (mine). Once you commit to a
radial tire, the size choice is yours. Several vendors offer these tires
with the correct 3" WSW. The original tires were quite a bit narrower than
the P-series radials or the J/L bias ply tires and perhaps a little bit
taller. My conclusion is that the P225/75R15 comes the closest to the
8.00X15 dimensionally and may give you a 0.1" lower ride and a 3%
speedometer error. Others that have actually purchased and used radial
tires may have other guidance. I have been unable to find any original
specifications for the Blue Streaks for comparison.

I would be indebted to you if you would copy and transcribe all cast-in
information, letters, numbers and symbols on your original spare, especially
if it is a Goodyear Blue Streak. And, if you would measure the OD,
cross-section width and tread width and remaining depth at 30 psi inflation
pressure, I'd be doubly in debt. A digital picture of both sides would be
great.

And do preserve that old Blue Streak tire. They are like hens' teeth. I
have heard that some members have been able to collect complete sets for
their 300's.

If our judges have specific guidelines on deductions for non-8.00X15 Blue
Streak tires, that information would be of interest, also.

C-300'ly,
Rich Barber
Brentwood, CA
1955 Chrysler C-300

-----Original Message-----
From: Chrysler300@ <mailto:Chrysler300%40yahoogroups.com> yahoogroups.com
[mailto:Chrysler300@ <mailto:Chrysler300%40yahoogroups.com> yahoogroups.com]
On
Behalf Of MATTHEW OSTROWSKI
Sent: Sunday, November 04, 2007 5:05 PM
To: Chrysler 300 group
Subject: [Chrysler300] Period correct tires

Hello 300 Members,

I know we have discussed the tire issue, however I'm off to buy a set of
four for my G. I want to get the correct size and look for the car. My "G"
has what I believe is the original spare in the trunk. It is a Good Year
8.00 - 15 with a 3"whitewall. Is this correct in size/whitewall width for
the car? Does this translate to a P235/75R15? Any source better than others?
I appreciate your response.

Warm Regards,
Matt Ostrowski
Norwich, Ct

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