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2018 grand cherokee summit

current tire 265/50/20

considering blizzak 255/55/20

Any problem with electronics on using this tire ? the physical dimensions seem small but I wonder about tire speed and computer stuff?

first post, hello to everyone. From Pittsburgh.

Ed
 

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current tire is 30.5' x 10.4", snow tire is 31" x 10" . Not very much difference. That wont affect electronics long as you do all 4. Will barely affect ypur speedometer, youll be going slightly faster than speedometer indicates.
 
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