How wide can you go in the rear?
Does anyone know how wide of a rear tire I can put on my 97 non s wheels?
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I think it is 9 inches stock.(not 100% on that) Keep it that way on the stock wheels.
You can get wider tires, up to 10 inches, if you get aftermarket wheels that are equally as wide. |
Stock 97 boxsters rims as seen above are as follows
Front 7J x17 ET 55 with 205/50 ZR17 tires Rear 8.5J x ET 48 with 255/40 ZR tires I would like to know also from other forums what they have put on their 97. yes I also understand that in the following years they made improvents to the suspension etc for allowing larger wheels 18's are as follows for boxster front 7.5J x 18 ET50 with 225/40ZR18 rear 9J x 18 ET52 with 265/35ZR18 I've got my eye on a set of Carrera III wheels that I would love to put on but the rears are 11 inches...hence I have the same question as truegearhead thanks Chris |
People have definitely put 10" rears with 285s. Not sure on the exact offsets use. I have 9" rears with a very wide 265 on there and can see there is room for at least a 285, but I'm not sure how much more than that. Offsets are going to be the big factor, I do recall some specs out there somewhere that detail which 993/996 wheels you could use.
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I've found that anything more than 235's up front and 275's on the rear is superfluous for street driving . Also, here are some guidelines to follow when choosing wheel fitments:
Fronts : 8 to 8.5 inches wide with offsets ranging from +35 to +45 depending on how aggressive you want to go. Rears: 9.5 to 10 inches wide with offsets ranging from +35 to +45 depending on how aggressive you want to go . * These are general guidelines, and specifications can vary depending on the vehicle's suspension set-up and application . My wheel fitment consists of the following : Front: 19x8 +31 offset 235/35/18 Rear: 19x10 +31 offset 275/30/19 |
Does the wheel/tire height change the widest possible width? I know this is well-discussed and known information to some. For some of us .... you know, drivers.... :rolleyes: this is not well known. I have factory 18" wheels with 55mm offset. If you go wider, do you need to increase or decrease offset?
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Folks, TrueGearhead never said he wanted to put bigger rims on his 97, just wider rubber.
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I am interested as well, but I want to keep my OEM 16's. I would like to know the widest TIRES I can squeeze onto the OEM rims for autoX purposes.
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Danger, How did you get an 18" tire on a 19" wheel ??? :cool:
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With the heat gun!! :D |
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Lots of this stuff . |
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However; for autocross. The hot setup is to run 245 Hoosiers all the way around. Takes out the ridiculous amounts of understeer and brings the car to a very neutral, throttle-on-oversteer type of car. Best of luck :D Also... To everyone else; 11 inch wide tires will never fit on your boxster without doing some cutting. 10 is the largest i believe you can comfortably fit, even though a nice set of 997/987 19x8/19x10 are hard to find, they are the best fitment you'll find. |
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225/50/16 F 245/45/16 R Very tight but doable. |
^Thank you guys. I might have to go to 17's due to not being able to find VERY sticky street tires in those sizes. We have a street tire multiplier here in SCCA and it works well for me so I don't have to drag a trailer to events with other wheels and tires.
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Toyo****Proxes RA1 Finding a good takeoff set of 17 rims will serve you well though. More tire choices and a wider contact patch. A win-win in AX. |
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