Wheel Offset question, mix matching

Old Nov 8, 2005 | 10:05 AM
  #1  
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Wheel Offset question, mix matching

Hey all, a couple of quick about wheel offsets. First of all, can you measure the wheel offset somehow with a ruler? If not accurately at least approxmiate? Second, is it a bad idea if I mix match wheels with different offset? I was thinking that it might be bad if the the samle axle is running two different ones, but the if the front and the back axels differed it might not be that big of a deal, but I am not sure as I've done really seen that done on AWD cars before. I've been reading about offsets it seems that the wheel bearings like the at least 40 or 42mm, but higher the better, will 42mm work in the wagons? 18x7.5 probably 225/40x18

Last edited by lazybummm; Nov 8, 2005 at 12:36 PM.
Old Nov 8, 2005 | 10:17 AM
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It would be hard to measure offsets with a ruler, because the measurement is from the centerline of the wheel to the hub mating surface. Unless, of course, you have a really good eye for the centerline of your wheel.

As for mixing offsets, why do you want to? I don't know if it'd be damaging, but I wouldn't recomend it. It just sounds like a bad idea to me.
Old Nov 8, 2005 | 10:26 AM
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Originally Posted by nKoan
It would be hard to measure offsets with a ruler, because the measurement is from the centerline of the wheel to the hub mating surface. Unless, of course, you have a really good eye for the centerline of your wheel.

As for mixing offsets, why do you want to? I don't know if it'd be damaging, but I wouldn't recomend it. It just sounds like a bad idea to me.

you wouldnt really need a good eye to figure it out. he said its a 7.5" wheel so 3.75" is center. Just put a dot there and measure to the mounting pad.

Only real reason to run different offset is if you use wider wheels in the back and need clearance. I agree its not a good idea.

Last edited by killaho; Nov 8, 2005 at 10:28 AM.
Old Nov 8, 2005 | 10:33 AM
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Originally Posted by lazybummm
18x7.5 probably 225/40x17

Kinda hard to fit a 17" tire on an 18" wheel
Old Nov 8, 2005 | 12:36 PM
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Originally Posted by STi-owns-evo
Kinda hard to fit a 17" tire on an 18" wheel
LOL, tells you how much I am able to type...
Old Nov 8, 2005 | 12:42 PM
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Originally Posted by nKoan
It would be hard to measure offsets with a ruler, because the measurement is from the centerline of the wheel to the hub mating surface. Unless, of course, you have a really good eye for the centerline of your wheel.

As for mixing offsets, why do you want to? I don't know if it'd be damaging, but I wouldn't recomend it. It just sounds like a bad idea to me.
I am looking to mix for only one reason...cost...

I picked up 2 good 18x7.5 wheels from smitty, slvrsubywgn on i-club, unsure about offset(guessing somewhere between 42-48, gonna try and measure), and then I am trying to source 2 more 18's for a cheap price, I've found one that has 42 offset for really cheap, so trying to figure out this mixing and matching scheme. Really I just want to get a set of decent 17/18" inexpensive rims, but not trying to kill my car or my already very thin wallet at the same time...
Old Nov 8, 2005 | 12:44 PM
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Originally Posted by killaho

Only real reason to run different offset is if you use wider wheels in the back and need clearance. I agree its not a good idea.
Or you need the extra (-) offset to fit some BBK up front.
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