Using a G80 Locker with different size tires.
#11
buy matching spares
#12
makes children cry
iTrader: (5)
worth it.
my dodge came with 285/60-20s & a 275/70-18 spare... i've now got five 295/70-18s with the spare on a matching wheel with TPMS. that's how i keep it cycled through when i do my rotations - it'd look stupid running a plain-jane steelie with the rest of my aftermarket wheels (or even stock wheels for that matter). wife's hummer came with a matching spare from the factory, and thankfully the previous owner wasn't a cheapskate and bought all 5 when he changed wheels.
my dodge came with 285/60-20s & a 275/70-18 spare... i've now got five 295/70-18s with the spare on a matching wheel with TPMS. that's how i keep it cycled through when i do my rotations - it'd look stupid running a plain-jane steelie with the rest of my aftermarket wheels (or even stock wheels for that matter). wife's hummer came with a matching spare from the factory, and thankfully the previous owner wasn't a cheapskate and bought all 5 when he changed wheels.
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Marky Dissod (08-04-2024)
#13
makes children cry
iTrader: (5)
OEMs include a spare on the cheapest wheel option they can just because it saves them money - not because it does anything to help the owners. if you want to maximize the life of even a stock wheel/tire setup, the best option is to match your spare to what you run. that way it ain't just dead weight.
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Marky Dissod (08-04-2024)
#14
How can either the speedometer or the differential possibly be able to tell the difference between 265/75R16 and 265/70R17 and 265/65R18? They're all 31.6" tall.
#15
The size of the wheel is IRRELEVANT.
You're right though as far as the speedo and the rear, OD ultimately is all that matters to those.
#16
makes children cry
iTrader: (5)
correct: consistent OD among them all is the most-important point to ensure, so if you buy a non-standard size for the runners (like jumping to 35s), ensure you get an equivalent OD spare tire for whatever wheel you use.
the most practical & useful situation is to have a matching spare wheel & tire so that you can keep it in normal circulation. otherwise, if you only keep a dissimilar wheel with the same OD as a backup, then it stays at its original diameter as the others wear down & eventually results in the same problem. say yours start out at 19/32" tread depth & you eventually get a flat after they've worn down to 5/32"... that's now a 28/32" OD difference, which is like putting a 33" spare on with 32s! if you never need that spare... well then you've just bought & never used that tire while replacing the other four 20% earlier than you could've had you circulated the spare.
the most practical & useful situation is to have a matching spare wheel & tire so that you can keep it in normal circulation. otherwise, if you only keep a dissimilar wheel with the same OD as a backup, then it stays at its original diameter as the others wear down & eventually results in the same problem. say yours start out at 19/32" tread depth & you eventually get a flat after they've worn down to 5/32"... that's now a 28/32" OD difference, which is like putting a 33" spare on with 32s! if you never need that spare... well then you've just bought & never used that tire while replacing the other four 20% earlier than you could've had you circulated the spare.
#17
What's this spare you guys are talking about?
I'm sure I'll now have a blow out on the way to work tomorrow...
I'm sure I'll now have a blow out on the way to work tomorrow...
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