Undersize spare tire
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Elder User
Joined: Jun 2007
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From: The Sunshine State
Undersize spare tire
Although I've been under my truck quite a few times I never paid much attention to the spare tire. While I was under today I noticed that the spare tire is an 18", while my tires on the ground are 20". The spare although a Continental brand as opposed to the other 4 Michelins appears to be a regular duty tire, not marked for tempory use only. Is it normal for Ford to supply an 18" spare with 20" tires on the truck?
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Joined: Jul 2011
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From: Stafford Virginia
Although I've been under my truck quite a few times I never paid much attention to the spare tire. While I was under today I noticed that the spare tire is an 18", while my tires on the ground are 20". The spare although a Continental brand as opposed to the other 4 Michelins appears to be a regular duty tire, not marked for tempory use only. Is it normal for Ford to supply an 18" spare with 20" tires on the truck?
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Elder User
Joined: Jun 2007
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From: The Sunshine State
OK so I guess everyone with 20 inch wheels has a 18" spare. I was wondering if it was just me. I will have to do some measuring to see if a mounted 20" will fit below the bed. It probably won't caus if it did Ford would have given us the same size tire. My truck is now wearing a cap,so I may buy a full size tire and matching wheel on ebay, and keep it in the bed. That way I can run around as long as I want before hitting the repair shop.
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Joined: Nov 2005
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From: Kaysville Utah
No it's not. The Conti is 33.2" in diameter the Michelins are 34.4" Thats almost 1.25" difference in size.
So I guess the question is will a 1" bigger tire fit?
The second question is. Will it matter? I'm on my 4th Superduty and I never have actually rotated my spare into my tire rotation in 12 years. And to be honest,never even used my spare.
http://www.conti-online.com/generato...tasheet_en.pdf
LTX A/T2 | Michelin Tires
So I guess the question is will a 1" bigger tire fit?
The second question is. Will it matter? I'm on my 4th Superduty and I never have actually rotated my spare into my tire rotation in 12 years. And to be honest,never even used my spare.
http://www.conti-online.com/generato...tasheet_en.pdf
LTX A/T2 | Michelin Tires
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