Re: [Chrysler300] Bias Tires and Longevity

["loren nelson" <lorencnelson@xxxxxxxxxxx>]

I have owned a 37 Studebaker for 46 years. The tires were old when I bought it. I have driven it very few miles since. 3 of those tires are still on the car. I replaced a bald one with a flea-market tire of unknown age recently. I have been driving it some in the last couple years but not on the highway. I have had it up to around 50 mph a couple times and have had no problems. The car is rough looking and new tires would not fit the image. I have a set of radials on my G that were bought in the mid 80's and still look like new. Again I rarely drive it on the highway, but have had it briefly to around 70 a couple times without a problem. The cars have been stored in an airconditioned garage for the past 20 years. 
Loren Nelson in Hotlanta
  ----- Original Message ----- 
  From: C Bilter 
  To: 'Ryan Hill' 
  Cc: chrysler300@xxxxxxxxxxxxxxx 
  Sent: Friday, September 02, 2011 3:18 PM
  Subject: RE: [Chrysler300] Bias Tires and Longevity


    
  Hi Ryan- 

  Not sure how many have responded to you off-server, but no one responded
  on-server yet. In my opinion, unless your bias ply tires have been
  "hermetically sealed in the executive washroom at Funk & Wagnalls" they are
  not safe, at least on the highway. Rubber breaks down from exposure to the
  air, and deterioration is accelerated by sun (UV rays) and temperature.
  They can and will deteriorate from the inside when mounted as well. When
  sitting for long periods, bias ply tires will "flat spot" and the rubber
  gets hard as a rock. Radials have the added problem of steel belts
  corroding, and if they blow the steel belts can also inflict further damage
  to an already potential catastrophic outcome.

  Some folks say tires used to be better made in the 60s/70s/80s. That is
  anecdotal. From a technological perspective, modern radial tires are far
  better engineered and safer especially at higher speeds. Just get a high
  quality, name brand tire. Better safe than sorry.

  300ly,

  Carl Bilter

  _____ 

  From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On
  Behalf Of Ryan Hill
  Sent: Thursday, September 01, 2011 5:35 PM
  To: Ryan Hill
  Subject: [Chrysler300] Bias Tires and Longevity

  There has been a lot of talk, on and off this listserve, about radial tires
  and expiration dates, safety, and performance in the past couple of years.
  Out of curiosity, does anyone know if bias ply tires are any more durable in
  terms of age than a radial? 

  I ask because I have a beautiful looking set of Uniroyal H78-14 on my 1965
  300 that I bought for my first 300 back in 1987 or so. They have low milage
  but have been mounted on my cars while in storage since about 1990. I had
  not planned to drive very far on them, given they're 24 years old, but
  wonder if they deteriorate in the same manner radials do? How unsafe are
  they? 

  My father pulled a classic boat around on some bias ply truck tires from the
  early 60's for the better part of 30 years without failure.

  Ryan Hill 

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