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Old 11-26-2007, 03:10 PM   #1
blkboxster
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Would these fit???

Size: 18x8 front/ 18x10 REAR

Offset: +48mm front/ +40MM REAR


and if they do what tire size would i need?

and would i need spacers?? and what size spacers


thanks

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Old 11-26-2007, 03:23 PM   #2
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Front tires in the 225-245 could work. 265-285 rears could work. Depends on the size of the spacers and if the car is lowered or not.
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Old 11-26-2007, 03:23 PM   #3
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Do you have a link or brand name of the rims you are looking at for us to see. I could tell you just by looking at them because I think I have seen every wheel/rim combo out there for our cars. It does sound like it would fit with no spacers needed.
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Old 11-26-2007, 03:32 PM   #4
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Quote:
Originally Posted by porsche986spyder
Do you have a link or brand name of the rims you are looking at for us to see. I could tell you just by looking at them because I think I have seen every wheel/rim combo out there for our cars. It does sound like it would fit with no spacers needed.

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what tire size?
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Old 11-26-2007, 03:32 PM   #5
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Quote:
Originally Posted by blkboxster
Size: 18x8 front/ 18x10 REAR

Offset: +48mm front/ +40MM REAR


and if they do what tire size would i need?

and would i need spacers?? and what size spacers


thanks
These will fit with no spacers needed. I'm running 275's or 285's in the rear. If your car is lowered you may get some rubbing on the inside of the fender wheel out back, you should have no issues in the front.
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Old 11-26-2007, 03:35 PM   #6
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Quote:
Originally Posted by blackONblack
These will fit with no spacers needed. I'm running 275's or 285's in the rear. If your car is lowered you may get some rubbing on the inside of the fender wheel out back, you should have no issues in the front.
So if i want to find prices for the tire, i enter

275 18

what number goes in the middel?
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Old 11-26-2007, 03:38 PM   #7
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Quote:
Originally Posted by blkboxster
So if i want to find prices for the tire, i enter

275 18

what number goes in the middel?
it should be 35.
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Old 11-26-2007, 03:40 PM   #8
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Quote:
Originally Posted by insite
it should be 35.

thanks, just wondering how you found that out??
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Old 11-26-2007, 03:43 PM   #9
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I run an 18x10 ET40 rear, its a touch too far out (no clearance issues, but I'd like it to be about 5mm further inboard). Stock ride height you should have no problem. I run a 265/35-18

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Old 11-26-2007, 03:45 PM   #10
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Quote:
Originally Posted by blkboxster
thanks, just wondering how you found that out??
i have a set. your goal is to have tires that are just over 25" in diameter. you can check the tire rack's spec lists like this one to get the sizes:

http://www.tirerack.com/tires/Spec.jsp?make=BFGoodrich&model=g-Force+T%2FA+KDW+2&tirePageLocQty=

a 265/35 will actually be a better fit for the car. the 275/35 is a tad tall. i'd go with a 265/35 or a 285/30. what size are your fronts?
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Old 11-26-2007, 03:49 PM   #11
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Quote:
Originally Posted by insite
i have a set. your goal is to have tires that are just over 25" in diameter. you can check the tire rack's spec lists like this one to get the sizes:

http://www.tirerack.com/tires/Spec.jsp?make=BFGoodrich&model=g-Force+T%2FA+KDW+2&tirePageLocQty=

a 265/35 will actually be a better fit for the car. the 275/35 is a tad tall. i'd go with a 265/35 or a 285/30. what size are your fronts?
fronts are

18x8 front
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Old 11-26-2007, 04:13 PM   #12
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what should my front tire size be??

thanks
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Old 11-26-2007, 04:20 PM   #13
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Quote:
Originally Posted by blkboxster
what should my front tire size be??

thanks
with those wheel sizes, i'd personally choose a 245/40 up front and a 265/35 in back. IMO this is the most neutral choice.
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Old 11-28-2007, 01:34 PM   #14
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Quote:
Originally Posted by insite
with those wheel sizes, i'd personally choose a 245/40 up front and a 265/35 in back. IMO this is the most neutral choice.
thanks just bought the tires, rims should also be here soon
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Old 11-28-2007, 04:57 PM   #15
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When you get those wheels, let me know if there are any issues. Those are the same wheels I want to get but, even though it says they'll fit our cars...it also says their wheel fitment guide could be inaccurate.
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Old 11-28-2007, 05:01 PM   #16
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Originally Posted by yellowboxster01
When you get those wheels, let me know if there are any issues. Those are the same wheels I want to get but, even though it says they'll fit our cars...it also says their wheel fitment guide could be inaccurate.
it should fit fine, a other meber BlackONblack has them and has no issues

Heres A PIC

http://www.pcars.us/garage.php?mode=view_gallery_item&type=garage_gallery&image_id=144
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Old 11-29-2007, 05:06 AM   #17
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Hey, thanks for the pic, I hadn't seen them on a Boxster yet. OMG, those taillights are hideous!!
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Old 12-03-2007, 01:35 PM   #18
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Quote:
Originally Posted by insite
a 265/35 will actually be a better fit for the car. the 275/35 is a tad tall. i'd go with a 265/35 or a 285/30. what size are your fronts?

i chuckled when i read this because you are talking 3.5 mm or roughly 1/8 of an inch. That's tire wear after one DE or weekend ride through the twisties. If you can eyeball the difference, you are really good. i didn't calculate the effect on gearing, but it can't be much

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