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-   -   Winter Tires Question (http://www.jeepgarage.org/f109/winter-tires-question-15687.html)

acjr 11-30-2010 01:30 PM

Winter Tires Question
 
I have nearly new set of Dunlop M2 winter tires with set of rims from Chrysler 300. Specs are 235/60 R18 107H. Any chance these will work on new Overland to replace Grand Fortera's in winter? fyi, those specs are 265/50, but I was thinking since i have the rims, this winter set up could work? TPMS issues? Odometer issues? other?

Thanks for any input...

Eurosport 11-30-2010 05:30 PM

Re: Winter Tires Question
 
you have the stock 18s? those should be 265/60 not 265/50(that's 20s)
if you do then yes no odometer issues since it's only a narrower tire, same diameter...
tpms will still work since you're using same wheels, that's np

if you ever have questions about tire diameters and affect on speedo, play around with sizes and see the difference between them with this calculator
http://www.1010tires.com/TireSizeCalculator.asp

:thumbsup:

acjr 11-30-2010 06:53 PM

Re: Winter Tires Question
 
thanks! actually don't have either yet. going to place order soon and just can't seem to decide between 20s (like the rims) and 18s w/offroad package (superior functionality) I figured if I could use these winter tires then maybe go for 20s. do you believe the forteras are that inferior to Michelin's, making winter tires more of necessity? I live in upper Midwest with occasional heavy snow but mostly light snow/sleet.

rdalcanto 11-30-2010 07:10 PM

Re: Winter Tires Question
 
If you don't have to do hills, and can drive really defensively on the few snow days you get, you might be o.k. managing on all season tires. I have hills, and drive up long canyons on big powder days, so I use winter shoes on all my cars. Check out the braking and handling differences on these test videos and then decide if they are a necessity....

http://www.youtube.com/watch?v=JGfvy...eature=related
http://www.youtube.com/watch?v=GlYEM...eature=related

bluethunderjeep 11-30-2010 08:08 PM

Re: Winter Tires Question
 
I believe the stud pattern is different from 300 to GC, so the rims wont fit?
Not sure about the offset or caliper clearance either.

Grand Cherokee 1999 - present is 5 X 5. Not sure what the 300 is.

Dave

Red G8R 11-30-2010 08:15 PM

Re: Winter Tires Question
 
Quote:

Originally Posted by Eurosport (Post 309631)
you have the stock 18s? those should be 265/60 not 265/50(that's 20s)
if you do then yes no odometer issues since it's only a narrower tire, same diameter...
tpms will still work since you're using same wheels, that's np

if you ever have questions about tire diameters and affect on speedo, play around with sizes and see the difference between them with this calculator
http://www.1010tires.com/TireSizeCalculator.asp

:thumbsup:

I have to disagree....235/60-18 (Chrysler 300) are a different diameter than 265/60-18 and so speedometer readings will be off.

235/60-18 = 29.1" dia
235/60-18 = 30.5" dia

acjr 11-30-2010 08:23 PM

Re: Winter Tires Question
 
appreciate the links. Difference in tire performance on ice in turn was enlightening. I guess the 20s + set of winter tires is fine choice, considering that I don't anticipate offroading. I was hoping 18" w offroad package could handle anything not requiring seasonal changes, but that appears to be unrealistic. the tirerack reviews of Michelin's seem far superior to forteras, but I don't believe I've seen many negative comments here.

Cherodude 11-30-2010 09:02 PM

Re: Winter Tires Question
 
Quote:

Originally Posted by acjr (Post 309749)
... I was hoping 18" w offroad package could handle anything not requiring seasonal changes, but that appears to be unrealistic.

I don't know why Jeep is shipping the GC with Off-Road packages with the 18" Michelin Latitudes. I like Michelins generally, but I would prefer the LTX A/T2 for modest off-road and better snow tread pattern. I suppose they are catering to the suburban market.

I'll probably change to the LTX tires if the OL ever arrives, and keep them on year round.


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