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View Full Version : Thoughts on having 8.5's on front and rear???


dann320
06-13-2013, 08:15 AM
Just wondering, anyone have all four on 8.5's? thanks
johnrando
06-13-2013, 08:25 AM
There are a few threads about this. It will definitely work. I'm going to go square 8.5 myself soon. 245/35 or 235/45 seem to be common tire sizes on our 18'sx8.5 square. You can also go with the four rear 255 sizes all the way around, but some people say that makes the steering feel heavier in the front.
dann320
06-13-2013, 08:32 AM
if i do go square, ill probably get 245/35
JupiterBMW
06-13-2013, 09:00 AM
I've got 'em... 245/35-18 all the way around on 8.5s. Love it.

Check my project thread for pics... http://www.zhpmafia.com/forums/showthread.php?8759-Jon-s-03-Alpine-White-Sedan-Project
Stewbie
06-13-2013, 03:27 PM
I have 255's on all four corners. Steering is noticeably heavier than on 4 x 225 winters.
bullfrogs_M3
06-13-2013, 03:29 PM
Running 18x8.5 ET 35 on all corners with 235's up front and 255's in the rear



Handwritten on my Moleskin notepad
Katu
06-15-2013, 02:14 PM
17x9 with 245s front and rear, no rubbing.
LivesNearCostco
06-20-2013, 06:51 AM
I have the staggered OEM setup, 8.0 front 8.5" rear. Would it be okay to run 235/40/18 all around or will that be too wide for front or too narrow for rear? I just ordered new staggered tires at Costco but am thinking of canceling order and changing to 235/40/18 square. My 2nd wheel set is 245/40/17 on square set of 17x8.5. (Wish I'd bought those as 17x9 but that's in the past.)

Or maybe I should just order the 2 fronts. The OEM rear wheels have at least 2000 miles of tread left.. not sure $70 rebate is worth keeping 2 extra tires stored for 4, or 5 months, which is what happened last time I ordered 4 tires at once to save $70. Or I need a drift event to finish off the rears.
danewilson77
06-20-2013, 06:54 AM
Should be fine. Rears will look a tad stretched-maybe (sidewall profile). Fronts will be perfect.

HTC DNA ON TT4 BETA, WILLIAMSBURG, VA
LivesNearCostco
06-20-2013, 07:19 AM
Thanks, Dane. I knew you were running square and thought it was 235 all around, but just saw in your signature it's 245-40-18 on 18x8.
BimmerWill
06-20-2013, 08:22 AM
So 8.5 is best suited for 245 35 with square setup?

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danewilson77
06-20-2013, 08:34 AM
So 8.5 is best suited for 245 35 with square setup?

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Yes. 8.5" is an ideal rim with. 235/245/255 tires fit very nicely.

HTC DNA ON TT4 BETA, WILLIAMSBURG, VA
BimmerWill
06-20-2013, 01:06 PM
Yes. 8.5" is an ideal rim with. 235/245/255 tires fit very nicely.

HTC DNA ON TT4 BETA, WILLIAMSBURG, VA

Sweet thanks boss

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