does the spare diameter have to match the others wheels?
#1
Lexus Champion
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does the spare diameter have to match the others wheels?
my audi TT has oem 18s that used to be runflats and came with no spare at all just a repair kit. I have seen other TT owners have fashioned an 18" donut spare from a VW R32 but I can't find an 18....would something like this work.... http://cgi.ebay.com/ebaymotors/VW-AU...Q5fAccessories
why or why not?
I can tell you right now my Prius has a 15" spare and I swapped the wheels to the OEM 17s
why or why not?
I can tell you right now my Prius has a 15" spare and I swapped the wheels to the OEM 17s
Last edited by bagwell; 02-01-11 at 07:18 PM.
#4
It doesn't have to match unless the sizes are very different and your car has some kind of traction control that believes you have slippage due to the hubs turning at different rates.
You do have to make sure the hub bore, bolt pattern/spacing, and offset will be compatible.
You do have to make sure the hub bore, bolt pattern/spacing, and offset will be compatible.
#7
Out of Warranty
2WD should be the same diameter on either end of the drive axle, while AWD or 4WD should all be the same - otherwise you are rotating one wheel faster than the other - fine for a short time, but bad for the diff in longer term service. LSD's are particularly picky about wanting to run both wheels at the same speed.
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#9
Lexus Champion
Thread Starter
2WD should be the same diameter on either end of the drive axle, while AWD or 4WD should all be the same - otherwise you are rotating one wheel faster than the other - fine for a short time, but bad for the diff in longer term service. LSD's are particularly picky about wanting to run both wheels at the same speed.
can you define a short time?
are we talking 10-20 miles max before damage or?
...because most likely this would only be used while on a long range trip on open freeway, otherwise I'd just have the flat fixed if local.
#10
Out of Warranty
I wouldn't want to run that off-size wheel on the ground for more than twenty minutes or so, and that at 50mph or less. That's still a fair amount of wear on a clutch-type LSD, and even worse on an AWD system. Actual damage depends on the difference in diameter and type of diff you have. If you are running a locker on a RWD or a mechanical 4WD, don't worry, the heavy jolts and noises will remind you there is something REALLY wrong back there.
That should still get you to an exit with a decent tire shop. In an emergency, you can probably get your hands on a used or REALLY cheap tire for $30 or so (installed) that's at least the correct diameter. You can throw it away after getting a matching tire, or use it as a tire swing for the kids . . .
That should still get you to an exit with a decent tire shop. In an emergency, you can probably get your hands on a used or REALLY cheap tire for $30 or so (installed) that's at least the correct diameter. You can throw it away after getting a matching tire, or use it as a tire swing for the kids . . .
#13
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11-19-03 09:39 PM