Diamond Back Tires
Diamond Back Tires
 
TIRE SIZE CROSS REFERENCE CHART
If you have an older classic car, you probably know the car’s original tire size, but not how to cross reference it to a modern tire size. Or, maybe you know the diameter of the tire you want. I’ve prepared a table here for you to use as a quick reference. Notice that as you read across, each line represents the same basic tire size, all the way from left to right. You might want to make a copy of this chart and tape it to your tool box or inside a cabinet door, where it will be easy to get your hands on whenever you need it.

TIRE SIZE CONVERSION TABLE
1950’s
1960’s
Average
Height
1970’s
Average
Height
Modern Radial
Average
Height
750-14
775-14
26.8"
F78-14
26.5"
205-75R14
26.1"
800-14
825-14
27.4"
G78-14
27.2"
215-75R14
26.7"
640-15
735-15
26.5"
E78-15
26.3"
185-80R15
26.7"
670-15
775-15
27.5"
F78-15
27.4"
205-75R15
27"
710-15
815-15
28"
G78-15
27.8"
215-75R15
27.6"
760-15
845-15
28.6"
H78-15
28.3"
225-75R15
28"
800-15
900-15
29.5"
L78-15
29.3"
235-75R15
29"

Questions? Diamond Back Classics Help Line: 888-922-1642


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Diamond Back Tires

Diamond Back Classic Tires
Conway, South Carolina
888.922.1642