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can someone help me decipher old tire size

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Old January 27th, 2010, 11:15 AM
  #1  
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can someone help me decipher old tire size

I am restoring a 64 lemans conv. I need to put some cheap used tires on it just to get it around. On the existing tire sidewall is 7.75 x14. Can someone tell me what the equivalent modern size would be? what is the original tire size for 64 lemans conv.? thanks
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Old January 27th, 2010, 11:36 AM
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I think that is to fit the wheel size 7.75 inches wide and 14 inches in diameter. Tire sizes were probably something like a H7814 which is really fairly small by today's standards but you could probably fit a 21570R14 on it. I think there is a conversion chart on the web as I recall seeing it one time. I know 78 series are next to impossible to find now but if you could those would be closer to original.
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Old January 27th, 2010, 02:58 PM
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That is equal to a 195R14.
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Old January 27th, 2010, 02:59 PM
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1949
to
1964
1965
to
1970
1970 to 19801960 - On1980 - OnNUMERICALPHA NUMERIC*EURO-METRICP-METRICEURO-METRIC or P-METRIC "90-" to "80"-series78- to 50-series"82"-series80-, 75-series70-series65-series60-series50-series5.20-10145R10165/70R105.20-12145R12P145/80R12165/70R125.60-126.00-12155R12P155/80R12165/65R13145R13155R13P155/80R13175/70R13195/60R13215/50R135.60-136.00-13A165R13P165/80R13185/70R13205/60R136.50-13B175R13P175/80R13CP185/80R137.00-13D185R13195R135.60-146.00-14145R14175/65R146.00-146.45-14155R14175/70R14185/65R14B165R14P175/75R14185/70R14195/65R14205/60R146.50-146.95-14C175R14P185/75R14195/70R14215/60R14D7.00-147.35-14E185R14P195/75R14205/70R14225/60R14245/50R147.50-147.75-14F195R14P205/75R14215/70R14235/60R148.00-148.25-14G205R14P215/75R14225/70R14245/60R14265/50R148.50-148.55-14H215R14P225/75R149.00-14J225R149.50-14L5.60-15A155R15P155/80R15185/65R15195/60R156.00-15B165R15P165/80R15185/70R15195/65R15205/60R15225/50R156.50-156.85-15C175R15195/70R15205/65R15215/60R15D7.35-15E185R15P195/75R15205/70R15215/65R15225/60R156.70-157.75-15F195R15P205/75R15215/70R15235/60R158.15-157.10-15G205R15P215/75R15225/70R15235/65R15245/60R15265/50R158.25-158.45-157.60-15H215R15P225/75R15235/70R15255/60R15275/50R158.55-158.00-158.85-15J225R15P225/75R15235/70R15265/60R158.20-159.00-15K9.15-15L235R15P235/75R15255/70R15275/60R15295/50R15N
* When replacing Alpha Numeric tires with Euro-metric or P-metric tires, look for the Euro-metric or P-metric size listed in the equivalent aspect ratio. For example, when replacing a FR78-14, you would look up the appropriate 75-series size, the 205/75R14. If replacing a FR70-14, you would look up the appropriate 70-series size, the 215/70R14. If replacing a FR60-14, you would look up the appropriate 60-series size, the 235/60R14.
  • [*]

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Old January 27th, 2010, 03:01 PM
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Disregard that mass of tire sizes, the chart did not come right.
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Old January 27th, 2010, 03:03 PM
  #6  
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http://www.tirerack.com/tires/tirete...sionchart.html This should get you what you want.
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Old January 27th, 2010, 04:50 PM
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thanks

thanks everyone
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Old February 1st, 2010, 09:03 AM
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Originally Posted by denf221
I am restoring a 64 lemans conv. I need to put some cheap used tires on it just to get it around. On the existing tire sidewall is 7.75 x14. Can someone tell me what the equivalent modern size would be? what is the original tire size for 64 lemans conv.? thanks
F78X14 was the size it came with.
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