spare tire

[Andy578]

i have the 20 inch factory rims and noticed my spare is the 17 inch. i assumed the spare would also be a 20 but for some reason it's not so my question is can it actually be used being that much smaller? if not i'm considering looking for a cheap 20 but will a 20 even fit under there?

 

[cgeorgemo]

The size of the rim isn't what is important. Is the overall diameter of the spare tire and wheel the same as the 20" rim and tire on your truck?


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[audio1der]

The size of the rim isn't what is important. Is the overall diameter of the spare tire and wheel the same as the 20" rim and tire on your truck?


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If it is the stock 17" spare, yes.

 

[Andy578]

i don't know jack about tires but the tires are P275/60R20 and the spare is P235/85R17. i'm assuming the 85 means it's a bigger but i'm not sure if it works out to be the same size or not

 

[BlkXpress]

Difference of .3 inches

 

[victorsdaddy]

Check with dodge? Had factorh 20s on my 02 and it had factory 20 spare

 

[lone12star]

4th gens only come with a temp 17 inch spare

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[cgeorgemo]

4th gens only come with a temp 17 inch spare

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Mine came with a 17 steel wheel and a regular tire not a temp tire.
Maybe that is a thing with the Tradesman package?

 

[Andy578]

Difference of .3 inches

that's what i was worried about. i suppose it's a small enough difference i can use it if i really have to but i'm guessing i wouldn't be able to go very fast

 

[cgeorgemo]

that's what i was worried about. i suppose it's a small enough difference i can use it if i really have to but i'm guessing i wouldn't be able to go very fast

That amount of difference (0.3") in diameter is nothing to worry about. The speed would need to be limited if it is not a regular tire and is a temporary spare.

 

[smiley]

How often do you really use it anyway? They all should be temporary even if they don't say it haha. I have 90k+ and mine has never been down I just check the psi on it a couple times a year and it is probably rusted to my truck.


$miley

 

[Andy578]

How often do you really use it anyway? They all should be temporary even if they don't say it haha. I have 90k+ and mine has never been down I just check the psi on it a couple times a year and it is probably rusted to my truck.


$miley

usually once every 2 years or so. living in the middle of nowhere people leave all sorts of crap on the road and it's fairly common to get a nail every so often

i don't see any mention of it being temporary on the tire but can't see it very well so will have to pull it out one day

 

[B-g-K]

I picked up a chunk of metal in one of my tires and had to switch to my spare, same spare as you. I also have 20" factory wheels. I will say this, the spare jack is absolute junk. Fully extended it wouldn't lift my truck high enough to get the spare on. Luckily I was a few doors down from a muffler shop and I borrowed their jack.

 

[smiley]

I forgot the factory tires are Passenger tires so a lot more likely to let something through at least that is what it is like in my experience. I would rather have full size spare but think the temp spare is okay for most people.


$miley

 

[Andy578]

I picked up a chunk of metal in one of my tires and had to switch to my spare, same spare as you. I also have 20" factory wheels. I will say this, the spare jack is absolute junk. Fully extended it wouldn't lift my truck high enough to get the spare on. Luckily I was a few doors down from a muffler shop and I borrowed their jack.

i was wondering about that too since the truck is a bit higher with the 20s. might have to throw a few blocks of wood under to get it higher

 

[smiley]

Saw this and thought of this thread.


$miley

 

[Andy578]

Saw this and thought of this thread.


$miley

i can only imagine how mad he's gonna be when he gets a flat