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wheel diameter question

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Old 23 Apr 2004, 09:46 pm
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Default wheel diameter question

Hi all,

Has anyone gone to larger wheels with standard sidewall heght? I'd like to put bigger wheels on but I do not like the low profile tires. Would I also have to change some gearing for the speedometer/odometer? Thanks for your help.

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Old 23 Apr 2004, 10:33 pm
Cool Cruiser
Join Date: Mar 2003
Location: Pittsburgh, PA.
Posts: 320


In case your car has ABS brakes, you will want to keep the tire and wheel diameter pretty close to stock. Otherwise, your ABS might not assist when you need it, particularly if the wheel and tire diameter are bigger than stock-- like you want to do. The ABS sensor will detect a slower than normal wheel revolution/second rate and will not assist.

In order to move to a bigger wheel diameter, you will need to use a smaller aspect ratio tire to compensate for the diameter change. If you keep the wheel/tire diameters pretty close, you will not need to change anything in order to keep an "accurate" speedometer.


BTW, it looks like this is your first post here, WELCOME!
\"If you choose not to decide, you still have made a choice.\"
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Old 24 Apr 2004, 11:55 am
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Location: Hammonton, New Jersey, USA.
Posts: 352

This will help you keep the proper height on the tire
Greg Gavencky
The New Jersey Cruisers
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Old 24 Apr 2004, 12:18 pm
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Location: Perry Hts, Ohio, USA.
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How big were you thinking of going..
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Old 24 Apr 2004, 01:42 pm
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ptbluegenes and Tea_Bag43, welcome to the forum!

2002 Inferno Red PT Limited
Photos and more at:
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Old 24 Apr 2004, 07:28 pm
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Welcome to the forum ptbluejeans & TeaBag_43 [^]. All questions will give you many great answers
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Old 25 Apr 2004, 03:20 pm
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Thanks for the welcome and info.

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Old 26 Apr 2004, 10:20 am
Regular Cruiser
Join Date: Sep 2003
Location: MI, USA.
Posts: 103

I don't mean to be a prick, but this has been covered on the site. Plenty of topics reference tire size.

225/45-17, 225/40-18, 235/40-18 are all close to the stock tire O.D.

The biggest limitation for tire height, is the front spring perch. Look into the front wheelwell of your car and look how close the tire is to the perch. You'll have a better understanding of the limitations of you see/feel this with your eyes/hands.
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Old 26 Apr 2004, 08:58 pm
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Join Date: May 2003
Location: chicago, il, USA.
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245-40-18 will work, but only in the rear of a non ABS Cruiser. This has a similar sidewall height of a 225-45-17, thus making the 18 bigger than stock. My cruiser has this combo for a staggered look.
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Old 27 Apr 2004, 08:31 am
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pt bluejeans and tea bag 43 wecome to this forum.[^]
04 cool vanila Limited Turbo

Wife has a 03 limited
(Steel Blue)
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