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Old 06-29-2005, 08:55 AM   #1
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Join Date: Apr 2005
Location: canada
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Will these fit?

hi, new to the forum but been lurking for awhile now. anyways, just got a set of rims and just wanted to make sure whether these would fit my 2000 boxster (non-s). the specs of the rims are as follows:

2 are 7.5J-18-ET50 (Fronts)

2 are 9.0J-18-ET52 (Backs)

The inside of rims show the following specs:

993.362.138.07 (Serie)

993.362.138.08(KD)

i think the width's and the offset are ok but am unsure bout the '993' parts #

thanks

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Old 06-29-2005, 09:01 AM   #2
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they'll fit a 2001 s...

I know that they, at least, fit a 2001 s because that's the same width / offset as I just took off my car.

not 100% sure they'll fit your car...but now you know what I know.
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Old 06-30-2005, 06:47 AM   #3
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tires

thanks for the input...now i've got a question bout tire sizes. from all the online tire sites and such, i believe that the recommended tire sizes for a boxster (non-s) with 18" rims are 225/40/18 and 265/35/18. my current stock 17" set up is 205/50/17 and 255/40/17.

now in the past, i've been told that it's important to keep the diameter/circumference the same when you're up/down sizing your wheels. based on a wheel calculator website, i got these results and was wondering if 255/35/18 would be an actual better fit for the rears.

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
205/50-17 4.0in 12.5in 25.1in 78.8in 804 0.0%
225/40-18 3.5in 12.5in 25.1in 78.8in 804 0.1%

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
255/40-17 4.0in 12.5in 25.0in 78.6in 806 0.0%
265/35-18 3.7in 12.7in 25.3in 79.5in 797 1.1%

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
255/40-17 4.0in 12.5in 25.0in 78.6in 806 0.0%
255/35-18 3.5in 12.5in 25.0in 78.6in 806 -0.0%

would they be recommending a wider tire (265) because of a wider rim width?

agains, thanks for the help.

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