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Wheel size mismatch

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Old Aug 29, 2013 | 01:18 AM
  #1  
Imaginos's Avatar
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Newbie
 
Joined: May 2013
Posts: 8
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From: Summit NJ
Year: 1998
Model: Grand Cherokee
Engine: Inline 6
Default Wheel size mismatch

So here is the deal I have a 98 GC that the previous owner stuffed some 225/75-17 wheels into. Today while cleaning out this truck i noticed the spare is still the stock 215/75-15.

I am wondering is this something I need to worry about? In the event i need to use that spare, i can see it will handle like crap, but will it actually do any damage? Im just wondering if I need to layout the cash for a fifth 17" rim and tire?

PS - If I do anyone interested in a 15 in rim with a brand new tire?
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Old Aug 29, 2013 | 03:51 PM
  #2  
dave1123's Avatar
Old fart with a wrench
 
Joined: Nov 2010
Posts: 14,398
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From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
Default

If you've got the 247 transfer case (AWD), DO NOT USE IT! It will overheat and destroy the viscous coupling.
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