Re: [Chrysler300] Period correct tires

[cotejohnr@xxxxxxx]

 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@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] 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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