spare tire space
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spare tire space
The 03 F250 7.3 I bought came with 18" rims but is not lifted. I noticed today that the spare tire is a 16" rim.
How much of a problem is this?
Would a larger tire on a 18" rim even fit in the space provided for the spare tire?
Please advise.
How much of a problem is this?
Would a larger tire on a 18" rim even fit in the space provided for the spare tire?
Please advise.
Thread Starter
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New User
Joined: Dec 2013
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I guess I asked the question wrong. I understand the tire size is not dependent on the rim size. I meant to ask:
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
Fleet Mechanic
Joined: Jul 2003
Posts: 1,815
Likes: 24
From: Houston
I guess I asked the question wrong. I understand the tire size is not dependent on the rim size. I meant to ask:
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
2. I was able to fit a 315/75/16 on a factory spare rim under the truck with stock exhaust. It was tight! With 4" exhaust it no longer fit on my truck.
Hope that helps.
Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
I guess I asked the question wrong. I understand the tire size is not dependent on the rim size. I meant to ask:
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
1- does putting on a spare with a smaller diameter than the four wheels cause damage?
2- what do people do when they want to carry a larger overall tire diameter to go in the space for the spare.
I could measure the space but there is a exhaust pipe there so I just thought I'd ask those with more experience for ideas.
Thanks for responding.
I wouldn't worry about any wear on the LSD clutches provided you are not driving it on a long trip with a different sized tire on the rear.
My spare tire is a 31.8" tire. The tires on my truck are a 34.1" tire. My solution to the spare tire size was to do nothing because it is a waste of money to put a bigger spare tire under the truck.
Postmaster
Joined: Nov 2006
Posts: 2,807
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From: The Woodlands, TX
You will be fine with a smaller diameter spare for emergency use. (Think small donut spare tire on a car). I would not drive far with it though, just so you can get somewhere to get the truck fixed.
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