Thread: 17" vs. 18"
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Old 06-01-2007, 07:59 AM   #8
Ronzi
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Join Date: May 2004
Location: Denver CO
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Quote:
Originally Posted by Allen K. Littlefield
I just measured my '02s rubber from the rim to the road and got 2 3/4" of sidewall. The tires are Continenal Sport Contact 2, 205/50ZR 17" Can any of you tell me the amount of side wall on a Carrera 18" rim? Front wheel measured.
AKL
My '99 has 8x18 and 10x18 Sport Design style wheels.
Measuring the fronts I get 2 3/4" from garage floor to front wheel rim flange, Conti SportContact, 225/40R18, inflated to 34psi, 60degF ambient.
My Pirelli PZero 17s are in a stack next to the car, so I can't measure them loaded, but unloaded they measure 3" from flange to tread surface. Loaded I expect I would get pretty much the same dimension you did, 2 3/4".
All of which would seem to indicate you won't see a whole lot of real-world difference in sidewall height between the 17s and the 18s. Not to say there won't be some, but it won't be much.
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