VINTAGE CAMPER TRAILERS
  • Trailer Park
  • Subscribe Here
  • Back Issues
  • Camp Store
  • The MAGAZINE
    • Subscribe
    • FAQ's
    • Change of Address
    • Log In to your Subscription Account
    • Where is my magazine?
    • Contribute Photos & Articles to the Mag
  • Classifieds
    • For Sale
    • Sell your trailer
    • Restorers
    • Business Services
    • Buy Vintage Trailers
    • Trailer Wanted
  • Rallies
  • Boot Camp
  • Insurance and Appraisals
  • Blog
  • Contact Us
    • Contact Information
    • About Us
    • Working Together
    • Widgets
    • Video
    • Community
    • Privacy and Terms
    • The VCT Cook Book
  • Press
  • Email Sign Up
  • Advertising With VCT
    • Photo Contest Opportunity
  • 1967 Dodge A108

RESCUE RESTORE RALLY

Subscribe to the VCT Magazine

Converting Tire Sizes From Old to New

10/6/2020

0 Comments

 
Picture
This unfortunate roadside occurrence was shared in the Vintage Camper Trailers Facebook groups page.
If it is time to replace the old tires on your vintage trailer, you may have a hard time matching up the numbers with the new tires sold today. We rely on Tire Rack to help us figure it out when we need new rubber. Here are some guidelines you can use to replace your old tires before you are left stranded on the side of the road.
Picture
Click on the chart above to download a pdf.
Depending on the sizing system used when the tire was manufactured, there may not be a good rule of thumb or step-by-step process to follow to make the conversion. The chart above has many of the different sizes you may encounter.

​For something like a 6.50R15, the 6.50 indicates the nominal section width of the tire in inches, and the 15 is the wheel diameter, also in inches. Since modern tire sizing typically uses millimeters for the section width, we need to convert 6.50 inches to millimeters, so 6.50 x 25.4 = approximately 165mm. When the aspect ratio is not listed, like in 6.50R15, it is assumed to be 82, meaning the sidewall height is 82% of the tire's section width.


Modern tires use aspect ratios in increments of 5, so the closest current size to a 6.50R15 is 165/80R15. The conversion is very much an approximation, not an exact science. If your travel trailer has a tight fitment without much room for variance in tire size, it would be best to take some measurements and give us a call before pulling the trigger so we can help ensure you get a tire that fits.
Picture
Picture
In issue #52 of the Vintage Camper Trailers Magazine, we will also cover when to replace your tires and how to read the dates on tires, why you need trailer tires instead of passenger car tires, how to determine load ranges, and whether or not to balance your trailer tires. Don't miss it. Subscribe today.
Subscribe to the Vintage Camper Trailers Magazine
0 Comments



Leave a Reply.

    The Vintage Camper Trailers Magazine Blog

    CLICK HERE TO SUBSCRIBE TO THE VCT MAGAZINE

    Categories

    All
    Destinations
    How To
    News
    Products
    Rallies
    Trailers

    Vintage Trailer Supply
    This site contains affiliate links to products. We may receive a commission for purchases made through these links.

    Archives

    January 2021
    December 2020
    November 2020
    October 2020
    September 2020
    August 2020
    July 2020
    June 2020
    May 2020
    April 2020
    March 2020
    February 2020
    January 2020
    December 2019
    November 2019
    October 2019
    September 2019
    July 2019
    February 2019
    December 2018
    November 2018
    October 2018
    September 2018
    August 2018
    June 2018
    May 2018
    March 2018
    February 2018
    January 2018
    October 2017
    September 2017
    August 2017
    July 2017
    June 2017

    RSS Feed

    Vintage Trailer Supply
    This site contains affiliate links to products. We may receive a commission for purchases made through these links.
    Vintage Trailer Supply
    This site contains affiliate links to products. We may receive a commission for purchases made through these links.
Subscribe to the VCT Magazine
All of the copy and all of the material on this website (including and without limitation to the text, computer code, artwork, logos, photographs, images, music, audio material, video material and audio-visual material) is the property of Vintage Camper Trailers. Any use of it's content or trademarks is strictly prohibited without prior written consent of the owner. © 2008-2020 All rights reserved.

  • Trailer Park
  • Subscribe Here
  • Back Issues
  • Camp Store
  • The MAGAZINE
    • Subscribe
    • FAQ's
    • Change of Address
    • Log In to your Subscription Account
    • Where is my magazine?
    • Contribute Photos & Articles to the Mag
  • Classifieds
    • For Sale
    • Sell your trailer
    • Restorers
    • Business Services
    • Buy Vintage Trailers
    • Trailer Wanted
  • Rallies
  • Boot Camp
  • Insurance and Appraisals
  • Blog
  • Contact Us
    • Contact Information
    • About Us
    • Working Together
    • Widgets
    • Video
    • Community
    • Privacy and Terms
    • The VCT Cook Book
  • Press
  • Email Sign Up
  • Advertising With VCT
    • Photo Contest Opportunity
  • 1967 Dodge A108