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Tire size?

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Old Jul 23, 2005 | 08:16 AM
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Tire size?
I have a 70 f100 and was hoping someone could tell me the factory tire size. I have 60s on it now and want to go stock size.
 
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Old Jul 23, 2005 | 08:35 AM
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Guessing, but wouldn't that be a 700-15? I'd think a 235 is about a close as you could get.
 
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Old Jul 23, 2005 | 08:43 AM
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Sorry I didnt clarify myself enough im getting rid of the 60s in favor of the stock size.
 
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Old Jul 23, 2005 | 08:49 AM
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Originally Posted by 70blue
Sorry I didnt clarify myself enough im getting rid of the 60s in favor of the stock size.
No, I understood, I meant a 235/85-15 should be the modern equivalent to a 700-15.
 
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Old Jul 23, 2005 | 10:19 AM
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Thanks for the info.
 
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Old Jul 25, 2005 | 11:03 AM
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Stock back then was either 225/75-15 or 235/75-15. The 225s look too small on these old trucks. The 235s give it a perfect stock look.
 
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Old Jul 25, 2005 | 04:37 PM
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Originally Posted by qman
Stock back then was either 225/75-15 or 235/75-15. The 225s look too small on these old trucks. The 235s give it a perfect stock look.
I didn't think they were using the metric sizes in 1970?
Back then it would have been a 7.00-15 or maybe a H-78-15.

I stand corrected on the modern size, the 235/75-15 is correct, I guess I have 85 series on the mind from the one ton.
 
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Old Jul 26, 2005 | 11:09 AM
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They may not have been and there's no way for me to know being that I was 7 at the time. But I've seen a number of trucks with 225s on them and they just don't look right. I had an 81 F100 that had the 235s as a stock tire. Those are the reasons I assumed it was the stock size.
 
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Old Jul 27, 2005 | 07:13 AM
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I wound up using the 235/75 r15's. I only replaced the fronts with good used ones because the back tires which are still 60s are still in jam up shape. I figured since the back ones are still good they should wear out together. When they all wear out I will put new 235/75 r15s all the way around. I would also like to thank everyone for there help.
 
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Old Jul 27, 2005 | 08:30 AM
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P255 70R 15s are the same size as the P235 75R 15 but has a wider tread. I like that look better on the pickup.

John
 
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