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Old 01-08-2004, 02:29 PM   #1
RacerX
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WR Blue Pearl

Default 225/45/17 vs. 215/45/17

I recently ordered some 17 x 7.5 Rota Attacks (Steel Grey w/ polished lip--$550 shipped from Subydude). I plan on using these as my Summer wheels and am trying to decide what size tire to get: 225/45/17 or 215/45/17. I am looking at Dunlop SP 9000s or possible some Kumhos. I'd like to here from people with any experience with both sized tires to see if anyone has any particular preference. These are for daily driving--probably not any autocrossing.

Also, does anyone know of a website with reliable info on TIRE weight? I'd like to keep the unsprung weight relatively low. I know Toyo Proxes are very light, but not sure about other tires.

Tirerack.com does not seem to list tire weight for the tires they sell.

Thanks.
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Last edited by RacerX; 01-08-2004 at 08:28 PM.
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Old 01-08-2004, 03:26 PM   #2
YinUCSD
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http://forums.nasioc.com/forums/show...hreadid=480676

read this thread, its on the same page as yours.
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Old 01-08-2004, 03:28 PM   #3
YinUCSD
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tire weight, i would go to the manuf site.

pirelli makes light tires also.
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Old 01-08-2004, 03:45 PM   #4
RacerX
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WR Blue Pearl

Default tire weight

Luke at Tirerack emailed me the following info on tire weight

Bridgestone S-03
215/45/17 weight: 25.0
225/45/17 weight: 25.5
Dunlop SP Sport 9000
215/45/17 weight: 21.3
225/45/17 weight: 23.0
Kumho Ectsa MX
215/45/17 weight: 21.0
225/45/17 weight: 22.6
Michelin Pilot Sport
215/45/17 weight: 21.5
225/45/17 weight: 22.0

Looks like the S-03s are the heaviest by a significant amount.

YINUSCD: I looked at that thread--thanks. I am aware of the size/diameter differences, etc. I am more curious about real-life experience with the different sizes.
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Old 01-09-2004, 08:14 PM   #5
RacerX
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Default never mind

OK, so I spent some time doing some searches and it is pretty clear that the 225/45/17 is the way to go.

FYI I emailed Dunlop about the weight of 215s vs 225s and here was their response:

Thank you for contacting our web site. The SP Sport 9000 in size 215/45R17 weighs 23.2 pounds. Size 225/45R17 weighs 23 pounds. Barbara Hummel Consumer Relations




Go figure.
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Old 01-10-2004, 09:09 AM   #6
Luke@tirerack
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in the 215/45-17 there are 3 different SPort 9000's
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