RE: [Chrysler300] Period correct tires

["Rich Barber" <c300@xxxxxxx>]

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


[Non-text portions of this message have been removed]



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