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15 0r 16

General Tech Talk

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15 0r 16

Post by tuff4runner »

what better to go for i have a 91 4runner ifs and i was goin to go with 16*8 rims with 245/75 r16 and i got the price and it was much dearer then goin 15*7 with 31*10.5 what do u think is better? and will the 15s b to wide to fitunder the gards at full flex? i also have no lift. also goingfrom 245/75 16 to a 31 10.5 will the hight b the same so i wont lose diff clerance
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Post by chimpboy »

I would go for the 31x10.5 tyres on the 15" rims purely because they are cheaper and more common.

The height is going to be roughly the same; if anything you'll gain a tiny bit of diff clearance with the 31s.

For comparison the overall sizes are:

245/75R16: 30.5" diameter, 9.65" width
31x10.5/15: 31" diameter, 10.5" width

So in theory your car will gain 1/4" of diff clearance :)

Of course the actual size of some brands does not match the numbers perfectly anyway.
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Post by hokey »

Go the 15's. they have more tyre protecting the bead. mate at the ateco was running 16's for the first time and got bark in the bead twice.
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Post by PJ.zook »

Yep, as 90% of people will recommend, go the 15" for cost if anything else.
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Post by j-top paj »

15s, they are more common
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Post by -Scott- »

Just to be contrary, the load carrying ability of the 31x10.5R15 doesn't compete with what's available in 245/75R16. Try an extra 200kg per tyre.

One is good for a little over 1000kg per tyre, the other maybe 1200kg per tyre. Check out the maximum pressure for each, too.

The 15" tyres are definitely more common, but I would consider the 16" tyres to be tougher.
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Post by chimpboy »

-Scott- wrote:Just to be contrary, the load carrying ability of the 31x10.5R15 doesn't compete with what's available in 245/75R16. Try an extra 200kg per tyre.

One is good for a little over 1000kg per tyre, the other maybe 1200kg per tyre. Check out the maximum pressure for each, too.

The 15" tyres are definitely more common, but I would consider the 16" tyres to be tougher.
But what tread pattern Scott? :)
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Post by -Scott- »

chimpboy wrote:
-Scott- wrote:Just to be contrary, the load carrying ability of the 31x10.5R15 doesn't compete with what's available in 245/75R16. Try an extra 200kg per tyre.

One is good for a little over 1000kg per tyre, the other maybe 1200kg per tyre. Check out the maximum pressure for each, too.

The 15" tyres are definitely more common, but I would consider the 16" tyres to be tougher.
But what tread pattern Scott? :)
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Post by RO8M »

Tread Pattern? That doesn't matter, even if it's a backhoe!!!
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